[safnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 17 18:02:53 UTC 2017


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 18 Nov, 2017

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              669243
    Prefixes after maximum aggregation (per Origin AS):          261132
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      324419
Total ASes present in the Internet Routing Table:                 59057
    Prefixes per ASN:                                             11.33
Origin-only ASes present in the Internet Routing Table:           50996
Origin ASes announcing only one prefix:                           22477
Transit ASes present in the Internet Routing Table:                8061
Transit-only ASes present in the Internet Routing Table:            237
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      33
    Max AS path prepend of ASN ( 42350)                              26
Prefixes from unregistered ASNs in the Routing Table:                66
    Number of instances of unregistered ASNs:                        66
Number of 32-bit ASNs allocated by the RIRs:                      20629
Number of 32-bit ASNs visible in the Routing Table:               16445
Prefixes from 32-bit ASNs in the Routing Table:                   67472
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            373
Number of addresses announced to Internet:                   2860215200
    Equivalent to 170 /8s, 123 /16s and 107 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      221222

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   183760
    Total APNIC prefixes after maximum aggregation:               52734
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          182870
    Unique aggregates announced from the APNIC address blocks:    76396
APNIC Region origin ASes present in the Internet Routing Table:    8479
    APNIC Prefixes per ASN:                                       21.57
APNIC Region origin ASes announcing only one prefix:               2375
APNIC Region transit ASes present in the Internet Routing Table:   1214
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3341
Number of APNIC addresses announced to Internet:              766706720
    Equivalent to 45 /8s, 179 /16s and 4 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    200928
    Total ARIN prefixes after maximum aggregation:                96889
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           202381
    Unique aggregates announced from the ARIN address blocks:     94639
ARIN Region origin ASes present in the Internet Routing Table:    18033
    ARIN Prefixes per ASN:                                        11.22
ARIN Region origin ASes announcing only one prefix:                6686
ARIN Region transit ASes present in the Internet Routing Table:    1783
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2267
Number of ARIN addresses announced to Internet:              1112401952
    Equivalent to 66 /8s, 77 /16s and 232 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    180372
    Total RIPE prefixes after maximum aggregation:                88301
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           176264
    Unique aggregates announced from the RIPE address blocks:    106583
RIPE Region origin ASes present in the Internet Routing Table:    24607
    RIPE Prefixes per ASN:                                         7.16
RIPE Region origin ASes announcing only one prefix:               11253
RIPE Region transit ASes present in the Internet Routing Table:    3501
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6373
Number of RIPE addresses announced to Internet:               713322624
    Equivalent to 42 /8s, 132 /16s and 112 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   86119
    Total LACNIC prefixes after maximum aggregation:              19232
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          87376
    Unique aggregates announced from the LACNIC address blocks:   39262
LACNIC Region origin ASes present in the Internet Routing Table:   6572
    LACNIC Prefixes per ASN:                                      13.30
LACNIC Region origin ASes announcing only one prefix:              1808
LACNIC Region transit ASes present in the Internet Routing Table:  1222
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4093
Number of LACNIC addresses announced to Internet:             172416736
    Equivalent to 10 /8s, 70 /16s and 222 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  17996
    Total AfriNIC prefixes after maximum aggregation:              3921
    AfriNIC Deaggregation factor:                                  4.59
Prefixes being announced from the AfriNIC address blocks:         19979
    Unique aggregates announced from the AfriNIC address blocks:   7237
AfriNIC Region origin ASes present in the Internet Routing Table:  1100
    AfriNIC Prefixes per ASN:                                     18.16
AfriNIC Region origin ASes announcing only one prefix:              354
AfriNIC Region transit ASes present in the Internet Routing Table:  216
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  371
Number of AfriNIC addresses announced to Internet:             94916864
    Equivalent to 5 /8s, 168 /16s and 81 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5278       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4060        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2792      11128     756  KIXS-AS-KR Korea Telecom, KR
 17974         2775        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2759       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2342       1497     155  VNPT-AS-VN VNPT Corp, VN
  7552         2233       1158      61  VIETEL-AS-AP Viettel Group, VN
  9394         2168       4931      26  CTTNET China TieTong Telecommunications
  9808         2122       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2114        422     222  TATACOMM-AS TATA Communications formerl

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3328       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3301       2952     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2171        405     107  MEGAPATH5-US - MegaPath Corporation, US
 20115         2054       2288     444  CHARTER-NET-HKY-NC - Charter Communicat
  6389         2013       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1928       5063     647  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1926       4057     585  AMAZON-02 - Amazon.com, Inc., US
 30036         1845        330     300  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1660        235     578  CABLEONE - CABLE ONE, INC., US
   701         1548      10589     626  UUNET - MCI Communications Services, In

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2845        851    2055  AKAMAI-ASN1, US
  8551         2496        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2063        329     427  TELLCOM-AS, TR
 12479         1920       1066     102  UNI2-AS, ES
 12389         1898       1698     718  ROSTELECOM-AS, RU
  9121         1839       1691      17  TTNET, TR
 13188         1604        100      52  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1218        544      14  CORBINA-AS OJSC "Vimpelcom", RU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3547        537     307  Telmex Colombia S.A., CO
  8151         3448       3424     583  Uninet S.A. de C.V., MX
 11830         2355        367      41  Instituto Costarricense de Electricidad
  6503         1594        437      53  Axtel, S.A.B. de C.V., MX
  7303         1488       1018     194  Telecom Argentina S.A., AR
  6147         1219        377      27  Telefonica del Peru S.A.A., PE
  3816         1030        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1004       2290     174  CLARO S.A., BR
 11172          913        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1063      28  TELEFÔNICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1207        398      48  LINKdotNET-AS, EG
 37611          799         91       8  Afrihost, ZA
 36903          718        361     144  MT-MPLS, MA
 36992          678       1383      31  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
  8452          502       1730      17  TE-AS TE-AS, EG
 29571          434         36      10  CITelecom-AS, CI
 37492          425        367      77  ORANGE-, TN
 37342          355         32       1  MOVITEL, MZ
 15399          349         35       7  WANANCHI-, KE

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5278       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4060        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3547        537     307  Telmex Colombia S.A., CO
  8151         3448       3424     583  Uninet S.A. de C.V., MX
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  6327         3328       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3301       2952     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2845        851    2055  AKAMAI-ASN1, US
  4766         2792      11128     756  KIXS-AS-KR Korea Telecom, KR
 17974         2775        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  7545       4060         3652   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3328         3242   SHAW - Shaw Communications Inc., CA
 10620       3547         3240   Telmex Colombia S.A., CO
 22773       3301         3145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3448         2865   Uninet S.A. de C.V., MX
 17974       2775         2699   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2496         2454   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2355         2314   Instituto Costarricense de Electricidad y Telec
  9829       2759         2219   BSNL-NIB National Internet Backbone, IN

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  64521   PRIVATE      103.193.197.0/24    133275       GIGANTIC-AS Gigantic Infotel P

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.12.0/22       55427    BROADLINK-AS-AP Broadlink Nepal, NP
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:13      /10:36      /11:106     /12:285     
/13:551     /14:1060    /15:1857    /16:13338   /17:7760    /18:13561   
/19:25185   /20:38945   /21:43523   /22:81411   /23:66096   /24:373291  
/25:841     /26:618     /27:650     /28:35      /29:21      /30:16      
/31:2       /32:27      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3122          3328    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2538          3301    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2066          2171    MEGAPATH5-US - MegaPath Corporation, US
  8551     1960          2496    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     1725          2355    Instituto Costarricense de Electricidad y Telec
 30036     1613          1845    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1539          3547    Telmex Colombia S.A., CO
 11492     1479          1660    CABLEONE - CABLE ONE, INC., US
 34984     1371          2063    TELLCOM-AS, TR

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1571      2:838       4:18        5:2529      6:38        8:1071   
   9:1        12:1851     13:179      14:1734     15:29       16:3      
  17:184      18:76       20:52       21:1        23:2403     24:1935   
  25:2        27:2359     31:1949     32:87       35:21       36:440    
  37:2408     38:1468     39:76       40:99       41:3058     42:519    
  43:1902     44:80       45:3265     46:2805     47:183      49:1372   
  50:1034     51:28       52:898      54:354      55:3        56:4      
  57:42       58:1556     59:996      60:361      61:1993     62:1749   
  63:1840     64:4587     65:2246     66:4473     67:2318     68:1191   
  69:3181     70:1132     71:588      72:2102     74:2680     75:389    
  76:414      77:1521     78:1559     79:1923     80:1418     81:1404   
  82:1029     83:751      84:998      85:1958     86:471      87:1215   
  88:870      89:2300     90:173      91:6242     92:1027     93:2333   
  94:2405     95:2656     96:661      97:352      98:961      99:103    
 100:157     101:1534    102:1       103:16075   104:3183    105:213    
 106:564     107:1751    108:812     109:2913    110:1514    111:1731   
 112:1267    113:1343    114:1064    115:1604    116:1697    117:1639   
 118:2153    119:1628    120:759     121:1080    122:2421    123:1876   
 124:1485    125:1822    128:966     129:664     130:445     131:1519   
 132:605     133:193     134:860     135:229     136:443     137:482    
 138:1972    139:538     140:373     141:677     142:751     143:936    
 144:801     145:192     146:1127    147:700     148:1542    149:618    
 150:704     151:1002    152:725     153:299     154:934     155:744    
 156:728     157:747     158:600     159:1604    160:819     161:728    
 162:2536    163:518     164:919     165:1472    166:392     167:1349   
 168:3095    169:819     170:3565    171:398     172:1009    173:1886   
 174:816     175:753     176:1896    177:3957    178:2491    179:1152   
 180:2223    181:2101    182:2434    183:808     184:880     185:11495  
 186:3329    187:2296    188:2590    189:1897    190:8148    191:1304   
 192:9703    193:5867    194:4745    195:3970    196:2239    197:1416   
 198:5543    199:5875    200:7201    201:4668    202:10355   203:9941   
 204:4548    205:2871    206:3069    207:3096    208:3971    209:3881   
 210:3931    211:2060    212:2852    213:2588    214:853     215:63     
 216:5721    217:2118    218:877     219:598     220:1671    221:937    
 222:715     223:1172   

End of report



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