[safnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 12 18:03:03 UTC 2020


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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 13 Jun, 2020

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

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

BGP routing table entries examined:                              815015
    Prefixes after maximum aggregation (per Origin AS):          309321
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      397070
Total ASes present in the Internet Routing Table:                 68301
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           58705
Origin ASes announcing only one prefix:                           24458
Transit ASes present in the Internet Routing Table:                9596
Transit-only ASes present in the Internet Routing Table:            311
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      46
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               830
    Number of instances of unregistered ASNs:                       832
Number of 32-bit ASNs allocated by the RIRs:                      32024
Number of 32-bit ASNs visible in the Routing Table:               26402
Prefixes from 32-bit ASNs in the Routing Table:                  121590
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            544
Number of addresses announced to Internet:                   2843328512
    Equivalent to 169 /8s, 121 /16s and 192 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      274923

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

Prefixes being announced by APNIC Region ASes:                   214406
    Total APNIC prefixes after maximum aggregation:               62465
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          208016
    Unique aggregates announced from the APNIC address blocks:    86032
APNIC Region origin ASes present in the Internet Routing Table:   10615
    APNIC Prefixes per ASN:                                       19.60
APNIC Region origin ASes announcing only one prefix:               2963
APNIC Region transit ASes present in the Internet Routing Table:   1582
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5695
Number of APNIC addresses announced to Internet:              769451904
    Equivalent to 45 /8s, 220 /16s and 231 /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, 131072-141625
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:                    238331
    Total ARIN prefixes after maximum aggregation:               109319
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           235619
    Unique aggregates announced from the ARIN address blocks:    119621
ARIN Region origin ASes present in the Internet Routing Table:    18513
    ARIN Prefixes per ASN:                                        12.73
ARIN Region origin ASes announcing only one prefix:                6771
ARIN Region transit ASes present in the Internet Routing Table:    1890
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3274
Number of ARIN addresses announced to Internet:              1080400384
    Equivalent to 64 /8s, 101 /16s and 154 /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, 393216-399260
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,  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:                    231855
    Total RIPE prefixes after maximum aggregation:               107286
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           228420
    Unique aggregates announced from the RIPE address blocks:    134280
RIPE Region origin ASes present in the Internet Routing Table:    27153
    RIPE Prefixes per ASN:                                         8.41
RIPE Region origin ASes announcing only one prefix:               11756
RIPE Region transit ASes present in the Internet Routing Table:    3855
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9226
Number of RIPE addresses announced to Internet:               709126272
    Equivalent to 42 /8s, 68 /16s and 104 /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
                       196608-213403
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:                  106682
    Total LACNIC prefixes after maximum aggregation:              24887
    LACNIC Deaggregation factor:                                   4.29
Prefixes being announced from the LACNIC address blocks:         107802
    Unique aggregates announced from the LACNIC address blocks:   46512
LACNIC Region origin ASes present in the Internet Routing Table:   9937
    LACNIC Prefixes per ASN:                                      10.85
LACNIC Region origin ASes announcing only one prefix:              2479
LACNIC Region transit ASes present in the Internet Routing Table:  1854
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        46
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7516
Number of LACNIC addresses announced to Internet:             174407424
    Equivalent to 10 /8s, 101 /16s and 63 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  22910
    Total AfriNIC prefixes after maximum aggregation:              4698
    AfriNIC Deaggregation factor:                                  4.88
Prefixes being announced from the AfriNIC address blocks:         34614
    Unique aggregates announced from the AfriNIC address blocks:  10175
AfriNIC Region origin ASes present in the Internet Routing Table:  1399
    AfriNIC Prefixes per ASN:                                     24.74
AfriNIC Region origin ASes announcing only one prefix:              489
AfriNIC Region transit ASes present in the Internet Routing Table:  274
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  691
Number of AfriNIC addresses announced to Internet:            109431808
    Equivalent to 6 /8s, 133 /16s and 204 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  7545        5516        711     647  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3447       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3151       1806     101  VNPT-AS-VN VNPT Corp, VN
  7713        2712        829     511  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2579       9043      61  CMNET-GD Guangdong Mobile Communication
  4766        2280      11101     554  KIXS-AS-KR Korea Telecom, KR
  9498        2266        433     219  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2133        441     193  TATACOMM-AS TATA Communications formerl
  9394        2040       4914      20  CTTNET China TieTong Telecommunications

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
 11492        4452        299     617  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        3950       8143    1793  AMAZON-02, US
 22773        3561       2968     151  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3358       1324      90  SHAW, CA
 16625        3097       1617    2211  AKAMAI-AS, US
   209        2434       5076     535  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2412        366     189  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2304       2981    1621  FRONTIER-FRTR, US
 26484        2184        137     202  IKGUL-26484, US

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
 12479        5803       1658     138  UNI2-AS, ES
 31334        4923        484      13  KABELDEUTSCHLAND-AS, DE
 39891        3458        195      19  ALJAWWALSTC-AS, SA
  8551        3181        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3055        450    2070  AKAMAI-ASN1, EU
 12389        2546       2254     756  ROSTELECOM-AS, RU
  9009        2223        235    1215  M247, GB
 34984        2132        353     564  TELLCOM-AS, TR
 13188        1609        100      35  TRIOLAN, UA
 61317        1305        142     566  ASDETUK http://www.heficed.com, GB

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
  8151        6683       3322     598  Uninet S.A. de C.V., MX
 10620        3351        529     507  Telmex Colombia S.A., CO
 11830        2665        369      63  Instituto Costarricense de Electricidad
  6503        1697        327     388  Axtel, S.A.B. de C.V., MX
  7303        1517        988     251  Telecom Argentina S.A., AR
 13999        1431        514     334  Mega Cable, S.A. de C.V., MX
 28573        1371       2243     206  CLARO S.A., BR
  3816        1107        570     149  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1107        379      39  Telefonica del Peru S.A.A., PE
 11172         952        111      73  Alestra, S. de R.L. de C.V., MX

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        1488        393      22  LINKdotNET-AS, EG
 24835        1120        470      24  RAYA-AS, EG
 36992        1086       1539      76  ETISALAT-MISR, EG
 36903         900        472      91  MT-MPLS, MA
 29571         604         68      11  ORANGE-COTE-IVOIRE, CI
  6713         550       1863      34  IAM-AS, MA
 37342         481         32       1  MOVITEL, MZ
 36935         417        522      44  Vodafone-, EG
 23889         366        231      15  MauritiusTelecom, MU
 15399         357         45      12  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
  8151        6683       3322     598  Uninet S.A. de C.V., MX
 12479        5803       1658     138  UNI2-AS, ES
  7545        5516        711     647  TPG-INTERNET-AP TPG Telecom Limited, AU
 31334        4923        484      13  KABELDEUTSCHLAND-AS, DE
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4452        299     617  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        3950       8143    1793  AMAZON-02, US
 22773        3561       2968     151  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        3458        195      19  ALJAWWALSTC-AS, SA

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5803         5665  UNI2-AS, ES
 31334        4923         4910  KABELDEUTSCHLAND-AS, DE
  7545        5516         4869  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743         4670  ERX-CERNET-BKB China Education and Research Net
  7155        4036         4009  VIASAT-SP-BACKBONE, US
 11492        4452         3835  CABLEONE, US
 39891        3458         3439  ALJAWWALSTC-AS, SA
  7552        3447         3425  VIETEL-AS-AP Viettel Group, VN
 22773        3561         3410  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3358         3268  SHAW, CA

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22357  UNALLOCATED  8.7.108.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     62485  UNALLOCATED  8.23.229.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
     26584  UNALLOCATED  8.42.62.0/23               209  CENTURYLINK-US-LEGACY-QWEST,
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.148.160.0/24      Origin:     29802  HVC-AS, US
                    Transit:      6939  HURRICANE, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.158.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY

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        /8:9        /9:11      /10:38      /11:100     /12:287     
/13:579     /14:1172    /15:1914    /16:13349   /17:8237    /18:13949   
/19:25851   /20:41190   /21:48401   /22:100881  /23:83476   /24:474286  
/25:1285    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        4817        5803  UNI2-AS, ES
 31334        4769        4923  KABELDEUTSCHLAND-AS, DE
 11492        3532        4452  CABLEONE, US
  6327        3148        3358  SHAW, CA
  7155        3128        4036  VIASAT-SP-BACKBONE, US
 22773        2773        3561  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2639        3181  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891        2609        3458  ALJAWWALSTC-AS, SA
  8151        2373        6683  Uninet S.A. de C.V., MX
 30036        2154        2412  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1760      2:1195      3:30        4:19        5:3565      6:52     
   8:1421      9:1        11:1        12:1778     13:515      14:2310   
  15:72       16:8        17:293      18:81       20:106      23:3690   
  24:2309     25:3        27:2524     31:3075     32:127      34:3      
  35:42       36:951      37:3376     38:2020     39:422      40:129    
  41:3589     42:901      43:2135     44:206      45:14452    46:3685   
  47:289      49:1455     50:1469     51:93       52:1053     54:231    
  55:644      56:6        57:51       58:1848     59:1169     60:743    
  61:2299     62:2086     63:1989     64:5196     65:2328     66:5034   
  67:2922     68:1185     69:3963     70:1408     71:680      72:2879   
  74:2580     75:1447     76:672      77:2926     78:1645     79:2368   
  80:1953     81:1638     82:1315     83:1307     84:1234     85:2616   
  86:541      87:1737     88:1129     89:2753     90:390      91:7932   
  92:1515     93:2518     94:2726     95:3904     96:1235     97:333    
  98:923      99:978     100:86      101:1008    102:967     103:23839  
 104:3446    105:397     106:880     107:1999    108:711     109:3671   
 110:1836    111:2056    112:1605    113:1357    114:1524    115:1839   
 116:1802    117:2104    118:2135    119:1704    120:921     121:1044   
 122:2438    123:2051    124:1565    125:2020    128:1362    129:1190   
 130:649     131:1865    132:754     133:302     134:1325    135:286    
 136:608     137:851     138:2171    139:998     140:679     141:992    
 142:925     143:1225    144:1013    145:307     146:1499    147:1016   
 148:2109    149:1190    150:871     151:1335    152:1497    153:395    
 154:4672    155:1059    156:3109    157:1122    158:845     159:1974   
 160:1897    161:1055    162:3090    163:820     164:1475    165:1292   
 166:558     167:1637    168:3547    169:524     170:4227    171:773    
 172:1941    173:2572    174:985     175:1047    176:2577    177:4206   
 178:3040    179:1478    180:2286    181:2462    182:3086    183:1288   
 184:2424    185:16487   186:3743    187:2816    188:4100    189:2339   
 190:8731    191:1319    192:10361   193:7543    194:6229    195:4390   
 196:3254    197:1997    198:6102    199:5907    200:7238    201:5243   
 202:10505   203:10291   204:4578    205:3107    206:3219    207:3274   
 208:4063    209:4454    210:4002    211:2030    212:3376    213:3234   
 214:1194    215:62      216:6095    217:2429    218:856     219:614    
 220:2014    221:931     222:998     223:1493   

End of report



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