[safnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 8 18:11:14 UTC 2016


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, AusNOG, SANOG, PacNOG,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG 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 09 Jan, 2016

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

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

BGP routing table entries examined:                              577904
    Prefixes after maximum aggregation (per Origin AS):          213596
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      281683
Total ASes present in the Internet Routing Table:                 52425
    Prefixes per ASN:                                             11.02
Origin-only ASes present in the Internet Routing Table:           36605
Origin ASes announcing only one prefix:                           15864
Transit ASes present in the Internet Routing Table:                6407
Transit-only ASes present in the Internet Routing Table:            164
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      39
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:              1022
    Unregistered ASNs in the Routing Table:                         364
Number of 32-bit ASNs allocated by the RIRs:                      12305
Number of 32-bit ASNs visible in the Routing Table:                9413
Prefixes from 32-bit ASNs in the Routing Table:                   36098
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            440
Number of addresses announced to Internet:                   2802534084
    Equivalent to 167 /8s, 11 /16s and 70 /24s
    Percentage of available address space announced:               75.7
    Percentage of allocated address space announced:               75.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               97.9
Total number of prefixes smaller than registry allocations:      189356

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

Prefixes being announced by APNIC Region ASes:                   147258
    Total APNIC prefixes after maximum aggregation:               40643
    APNIC Deaggregation factor:                                    3.62
Prefixes being announced from the APNIC address blocks:          156044
    Unique aggregates announced from the APNIC address blocks:    63000
APNIC Region origin ASes present in the Internet Routing Table:    5127
    APNIC Prefixes per ASN:                                       30.44
APNIC Region origin ASes announcing only one prefix:               1187
APNIC Region transit ASes present in the Internet Routing Table:    897
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1791
Number of APNIC addresses announced to Internet:              756488836
    Equivalent to 45 /8s, 23 /16s and 26 /24s
    Percentage of available APNIC address space announced:         88.4

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, 131072-135580
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:                    181566
    Total ARIN prefixes after maximum aggregation:                89017
    ARIN Deaggregation factor:                                     2.04
Prefixes being announced from the ARIN address blocks:           184966
    Unique aggregates announced from the ARIN address blocks:     86826
ARIN Region origin ASes present in the Internet Routing Table:    16461
    ARIN Prefixes per ASN:                                        11.24
ARIN Region origin ASes announcing only one prefix:                5926
ARIN Region transit ASes present in the Internet Routing Table:    1720
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          37
Number of ARIN region 32-bit ASNs visible in the Routing Table:     920
Number of ARIN addresses announced to Internet:              1101459904
    Equivalent to 65 /8s, 166 /16s and 241 /24s
    Percentage of available ARIN address space announced:          58.3

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, 393216-395164
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:                    138687
    Total RIPE prefixes after maximum aggregation:                68896
    RIPE Deaggregation factor:                                     2.01
Prefixes being announced from the RIPE address blocks:           146691
    Unique aggregates announced from the RIPE address blocks:     90771
RIPE Region origin ASes present in the Internet Routing Table:    18040
    RIPE Prefixes per ASN:                                         8.13
RIPE Region origin ASes announcing only one prefix:                7969
RIPE Region transit ASes present in the Internet Routing Table:    3002
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4342
Number of RIPE addresses announced to Internet:               702250624
    Equivalent to 41 /8s, 219 /16s and 126 /24s
    Percentage of available RIPE address space announced:         102.1

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, 196608-204287
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:                   60570
    Total LACNIC prefixes after maximum aggregation:              11881
    LACNIC Deaggregation factor:                                   5.10
Prefixes being announced from the LACNIC address blocks:          73732
    Unique aggregates announced from the LACNIC address blocks:   34381
LACNIC Region origin ASes present in the Internet Routing Table:   2462
    LACNIC Prefixes per ASN:                                      29.95
LACNIC Region origin ASes announcing only one prefix:               590
LACNIC Region transit ASes present in the Internet Routing Table:   539
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        23
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2180
Number of LACNIC addresses announced to Internet:             170577664
    Equivalent to 10 /8s, 42 /16s and 207 /24s
    Percentage of available LACNIC address space announced:       101.7

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  13639
    Total AfriNIC prefixes after maximum aggregation:              3118
    AfriNIC Deaggregation factor:                                  4.37
Prefixes being announced from the AfriNIC address blocks:         16031
    Unique aggregates announced from the AfriNIC address blocks:   6341
AfriNIC Region origin ASes present in the Internet Routing Table:   732
    AfriNIC Prefixes per ASN:                                     21.90
AfriNIC Region origin ASes announcing only one prefix:              192
AfriNIC Region transit ASes present in the Internet Routing Table:  168
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  180
Number of AfriNIC addresses announced to Internet:             71174144
    Equivalent to 4 /8s, 62 /16s and 8 /24s
    Percentage of available AfriNIC address space announced:       70.7

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     5603       4192          76   China Education and Research 
 7545     3095        346         158   TPG Telecom Limited
 4766     3017      11136        1004   Korea Telecom
17974     2858        914          96   PT Telekomunikasi Indonesia
 9829     2312       1433         376   National Internet Backbone
 4755     2072        431         234   TATA Communications formerly 
 9808     1728       8717          29   Guangdong Mobile Communicatio
 4808     1620       2278         506   CNCGROUP IP network China169 
 9583     1514        121         556   Sify Limited
38197     1416         88         182   Sun Network (Hong Kong) Limit

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
22773     3274       2948         145   Cox Communications Inc.
 3356     2602      10693         546   Level 3 Communications, Inc.
 6389     2508       3687          42   BellSouth.net Inc.
18566     2210        394         277   MegaPath Corporation
20115     1900       1905         406   Charter Communications
 6983     1695        849         238   EarthLink, Inc.
30036     1673        333         323   Mediacom Communications Corp
 4323     1579       1021         393   tw telecom holdings, inc.
  209     1469       4339        1233   Qwest Communications Company,
  701     1380      11445         652   MCI Communications Services, 

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     2515        135           9   SaudiNet, Saudi Telecom Compa
20940     2322        921        1662   Akamai International B.V.
34984     1940        322         412   TELLCOM ILETISIM HIZMETLERI A
 8551     1238        376          44   Bezeq International-Ltd
13188     1075         97          79   TOV "Bank-Inform"
12479     1070        965          80   France Telecom Espana SA
 8402     1065        544          15   OJSC "Vimpelcom"
31148     1043         48          42   Freenet Ltd.
 9198      972        351          22   JSC Kazakhtelecom
 6830      894       2712         464   Liberty Global Operations B.V

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     3400        539         160   Telmex Colombia S.A.
 8151     2172       3383         518   Uninet S.A. de C.V.
 7303     1585        943         242   Telecom Argentina S.A.
 6503     1389        437          57   Axtel, S.A.B. de C.V.
28573     1213       2172         140   NET Serviços de Comunicação S
11830     1101        366          25   Instituto Costarricense de El
 6147     1036        376          34   Telefonica del Peru S.A.A.
 7738      994       1882          41   Telemar Norte Leste S.A.
 3816      978        460         187   COLOMBIA TELECOMUNICACIONES S
26615      959       2325          34   Tim Celular S.A.

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
 8452     1240       1472          15   TE-AS
24863     1174        403          36   Link Egypt (Link.NET)
37611      581         39          41   Afrihost-Brevis Computer Serv
36903      549        276         123   Office National des Postes et
36992      447       1233          33   ETISALAT MISR
37492      335        213          63   Orange Tunisie
24835      330        146          12   Vodafone Data
29571      264         21          11   Cote d'Ivoire Telecom
 3741      221        837         183   Internet Solutions
36947      174        807          13   Telecom Algeria

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     5603       4192          76   China Education and Research 
10620     3400        539         160   Telmex Colombia S.A.
22773     3274       2948         145   Cox Communications Inc.
 7545     3095        346         158   TPG Telecom Limited
 4766     3017      11136        1004   Korea Telecom
17974     2858        914          96   PT Telekomunikasi Indonesia
 3356     2602      10693         546   Level 3 Communications, Inc.
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
 6389     2508       3687          42   BellSouth.net Inc.
20940     2322        921        1662   Akamai International B.V.

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

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

  ASN   No of nets  Net Savings Description
10620      3400        3240      Telmex Colombia S.A.
22773      3274        3129      Cox Communications Inc.
 7545      3095        2937      TPG Telecom Limited
17974      2858        2762      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2508        2466      BellSouth.net Inc.
 3356      2602        2056      Level 3 Communications, Inc.
 4766      3017        2013      Korea Telecom
 9829      2312        1936      National Internet Backbone
18566      2210        1933      MegaPath Corporation

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

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

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         3356       Level 3 Communicatio
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
18985   UNALLOCATED  8.21.68.0/22          3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.124.0/24         3356       Level 3 Communicatio
27205   UNALLOCATED  8.38.16.0/21          3356       Level 3 Communicatio
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
33628   UNALLOCATED  12.0.239.0/24         1239       Sprint
32805   UNALLOCATED  12.1.225.0/24         7018       AT&T Services, Inc.

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

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

Network            Origin AS  Description
23.226.112.0/20      62788     >>UNKNOWN<<
23.249.144.0/20      40430     colo4jax, LLC
23.249.144.0/21      40430     colo4jax, LLC
23.249.152.0/21      40430     colo4jax, LLC
27.100.7.0/24        56096     >>UNKNOWN<<
37.46.10.0/23        36351     SoftLayer Technologies Inc.
37.46.14.0/24        36351     SoftLayer Technologies Inc.
37.46.15.0/24        36351     SoftLayer Technologies Inc.
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<

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        /8:16       /9:13      /10:36      /11:100     /12:265     
/13:506     /14:1015    /15:1770    /16:12972   /17:7424    /18:12625   
/19:25603   /20:37895   /21:39925   /22:63843   /23:55275   /24:317050  
/25:545     /26:577     /27:387     /28:16      /29:16      /30:9       
/31:0       /32:21      

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

  ASN   No of nets  Total ann.   Description
39891     2472          2515      SaudiNet, Saudi Telecom Compa
22773     2459          3274      Cox Communications Inc.
18566     2112          2210      MegaPath Corporation
 6389     1553          2508      BellSouth.net Inc.
30036     1490          1673      Mediacom Communications Corp
 6983     1341          1695      EarthLink, Inc.
10620     1292          3400      Telmex Colombia S.A.
34984     1226          1940      TELLCOM ILETISIM HIZMETLERI A
11492     1135          1225      CABLE ONE, INC.
31148      960          1043      Freenet Ltd.

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

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

   1:1617      2:666       4:100       5:2062      6:26        8:1428   
  12:1797     13:31       14:1605     15:23       16:2        17:57     
  18:19       20:48       22:1        23:1344     24:1740     27:2174   
  31:1715     32:54       33:2        34:4        35:5        36:204    
  37:2312     38:1139     39:23       40:80       41:3044     42:370    
  43:1638     44:36       45:1633     46:2364     47:66       49:1076   
  50:824      51:3        52:39       54:136      55:7        56:8      
  57:44       58:1467     59:843      60:530      61:1776     62:1438   
  63:1915     64:4461     65:2171     66:4071     67:2128     68:1089   
  69:3274     70:1044     71:461      72:1984     74:2584     75:358    
  76:421      77:1388     78:1277     79:811      80:1309     81:1349   
  82:866      83:674      84:780      85:1539     86:455      87:1048   
  88:549      89:1944     90:150      91:5956     92:867      93:2293   
  94:2248     95:2245     96:470      97:352      98:954      99:45     
 100:76      101:868     103:9355    104:2207    105:94      106:369    
 107:1111    108:640     109:2181    110:1274    111:1610    112:901    
 113:1191    114:939     115:1552    116:1516    117:1359    118:2022   
 119:1525    120:520     121:1165    122:2274    123:1991    124:1575   
 125:1747    128:683     129:355     130:425     131:1300    132:603    
 133:170     134:449     135:117     136:345     137:320     138:1635   
 139:201     140:248     141:466     142:639     143:771     144:587    
 145:151     146:843     147:606     148:1408    149:452     150:636    
 151:806     152:567     153:266     154:528     155:907     156:451    
 157:419     158:348     159:1067    160:420     161:702     162:2230   
 163:527     164:709     165:1100    166:316     167:943     168:1353   
 169:562     170:1483    171:264     172:393     173:1590    174:713    
 175:815     176:1490    177:4039    178:2223    179:1068    180:2067   
 181:1630    182:1921    183:668     184:762     185:5334    186:2991   
 187:1863    188:2133    189:1720    190:7594    191:1286    192:8757   
 193:5725    194:4307    195:3719    196:2275    197:1103    198:5500   
 199:5526    200:6746    201:3467    202:9997    203:9350    204:4567   
 205:2726    206:2966    207:3041    208:4011    209:3973    210:3769   
 211:2019    212:2619    213:2169    214:824     215:73      216:5705   
 217:1890    218:740     219:557     220:1636    221:846     222:665    
 223:892    

End of report



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