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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 20 19:11:52 CET 2015
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, CaribNOG and the RIPE Routing Working Group. 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 21 Mar, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 537248 Prefixes after maximum aggregation (per Origin AS): 205386 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 262112 Total ASes present in the Internet Routing Table: 49750 Prefixes per ASN: 10.80 Origin-only ASes present in the Internet Routing Table: 36563 Origin ASes announcing only one prefix: 16283 Transit ASes present in the Internet Routing Table: 6263 Transit-only ASes present in the Internet Routing Table: 168 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 55644) 56 Prefixes from unregistered ASNs in the Routing Table: 1246 Unregistered ASNs in the Routing Table: 420 Number of 32-bit ASNs allocated by the RIRs: 8933 Number of 32-bit ASNs visible in the Routing Table: 6924 Prefixes from 32-bit ASNs in the Routing Table: 25162 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 386 Number of addresses announced to Internet: 2735724964 Equivalent to 163 /8s, 15 /16s and 217 /24s Percentage of available address space announced: 73.9 Percentage of allocated address space announced: 73.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.2 Total number of prefixes smaller than registry allocations: 181358 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 132643 Total APNIC prefixes after maximum aggregation: 38539 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 138315 Unique aggregates announced from the APNIC address blocks: 56317 APNIC Region origin ASes present in the Internet Routing Table: 5029 APNIC Prefixes per ASN: 27.50 APNIC Region origin ASes announcing only one prefix: 1206 APNIC Region transit ASes present in the Internet Routing Table: 874 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 59 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1356 Number of APNIC addresses announced to Internet: 746249984 Equivalent to 44 /8s, 122 /16s and 223 /24s Percentage of available APNIC address space announced: 87.2 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: 177154 Total ARIN prefixes after maximum aggregation: 87591 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 179130 Unique aggregates announced from the ARIN address blocks: 84060 ARIN Region origin ASes present in the Internet Routing Table: 16522 ARIN Prefixes per ASN: 10.84 ARIN Region origin ASes announcing only one prefix: 6075 ARIN Region transit ASes present in the Internet Routing Table: 1704 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 377 Number of ARIN addresses announced to Internet: 1062603040 Equivalent to 63 /8s, 86 /16s and 9 /24s Percentage of available ARIN address space announced: 56.2 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, 393216-394239 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: 130585 Total RIPE prefixes after maximum aggregation: 65064 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 136953 Unique aggregates announced from the RIPE address blocks: 84165 RIPE Region origin ASes present in the Internet Routing Table: 17924 RIPE Prefixes per ASN: 7.64 RIPE Region origin ASes announcing only one prefix: 8174 RIPE Region transit ASes present in the Internet Routing Table: 2957 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3523 Number of RIPE addresses announced to Internet: 694199940 Equivalent to 41 /8s, 96 /16s and 166 /24s Percentage of available RIPE address space announced: 100.9 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, 196608-202239 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: 58812 Total LACNIC prefixes after maximum aggregation: 11136 LACNIC Deaggregation factor: 5.28 Prefixes being announced from the LACNIC address blocks: 68652 Unique aggregates announced from the LACNIC address blocks: 32063 LACNIC Region origin ASes present in the Internet Routing Table: 2414 LACNIC Prefixes per ASN: 28.44 LACNIC Region origin ASes announcing only one prefix: 621 LACNIC Region transit ASes present in the Internet Routing Table: 492 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1567 Number of LACNIC addresses announced to Internet: 168071168 Equivalent to 10 /8s, 4 /16s and 144 /24s Percentage of available LACNIC address space announced: 100.2 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: 12709 Total AfriNIC prefixes after maximum aggregation: 3012 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 13812 Unique aggregates announced from the AfriNIC address blocks: 5157 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 18.69 AfriNIC Region origin ASes announcing only one prefix: 207 AfriNIC Region transit ASes present in the Internet Routing Table: 159 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 101 Number of AfriNIC addresses announced to Internet: 64104960 Equivalent to 3 /8s, 210 /16s and 42 /24s Percentage of available AfriNIC address space announced: 63.7 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 4766 2870 11553 913 Korea Telecom 17974 2797 904 78 PT Telekomunikasi Indonesia 7545 2541 336 126 TPG Telecom Limited 4755 1998 422 212 TATA Communications formerly 4538 1761 4190 71 China Education and Research 9829 1694 1326 39 National Internet Backbone 9808 1552 8717 28 Guangdong Mobile Communicatio 4808 1472 2243 438 CNCGROUP IP network China169 9583 1398 132 556 Sify Limited 9498 1309 334 94 BHARTI Airtel Ltd. 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 3024 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2549 10683 477 Level 3 Communications, Inc. 18566 2041 379 183 MegaPath Corporation 20115 1848 1831 428 Charter Communications 6983 1704 866 245 EarthLink, Inc. 4323 1618 1021 408 tw telecom holdings, inc. 30036 1529 313 496 Mediacom Communications Corp 701 1391 11272 679 MCI Communications Services, 22561 1332 412 242 CenturyTel Internet Holdings, 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 2472 128 6 SaudiNet, Saudi Telecom Compa 34984 1976 303 361 TELLCOM ILETISIM HIZMETLERI A 20940 1633 634 1215 Akamai International B.V. 8402 1358 544 15 OJSC "Vimpelcom" 6849 1213 356 24 JSC "Ukrtelecom" 31148 1046 45 21 Freenet Ltd. 13188 1022 96 72 TOV "Bank-Inform" 8551 903 373 48 Bezeq International-Ltd 12479 883 799 85 France Telecom Espana SA 9198 854 349 25 JSC Kazakhtelecom 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 3152 514 196 Telmex Colombia S.A. 28573 2331 2171 122 NET Serviços de Comunicação S 7303 1781 1178 234 Telecom Argentina S.A. 6147 1581 374 30 Telefonica del Peru S.A.A. 8151 1553 3136 452 Uninet S.A. de C.V. 6503 1207 421 57 Axtel, S.A.B. de C.V. 7738 1001 1882 42 Telemar Norte Leste S.A. 26615 955 2325 35 Tim Celular S.A. 3816 918 408 152 COLOMBIA TELECOMUNICACIONES S 18881 866 1036 22 Global Village Telecom 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 1638 958 13 TE-AS 24863 953 284 27 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 406 1101 32 ETISALAT MISR 37492 317 159 70 Orange Tunisie 24835 299 144 9 Vodafone Data 3741 250 921 209 Internet Solutions 29571 233 21 13 Cote d'Ivoire Telecom 36947 191 807 13 Telecom Algeria 15706 172 32 6 Sudatel (Sudan Telecom Co. Lt 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 10620 3152 514 196 Telmex Colombia S.A. 22773 3024 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 4766 2870 11553 913 Korea Telecom 17974 2797 904 78 PT Telekomunikasi Indonesia 3356 2549 10683 477 Level 3 Communications, Inc. 7545 2541 336 126 TPG Telecom Limited 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2331 2171 122 NET Serviços de Comunicação S 18566 2041 379 183 MegaPath Corporation Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 22773 3024 2883 Cox Communications Inc. 6389 2891 2840 BellSouth.net Inc. 17974 2797 2719 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2541 2415 TPG Telecom Limited 28573 2331 2209 NET Serviços de Comunicação S 3356 2549 2072 Level 3 Communications, Inc. 4766 2870 1957 Korea Telecom 18566 2041 1858 MegaPath Corporation 4755 1998 1786 TATA Communications formerly 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 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 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 5.100.241.0/24 23456 32bit Transition AS 23.226.112.0/20 62788 Bitfinite LLC 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 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 /9:12 /10:34 /11:92 /12:264 /13:506 /14:1000 /15:1720 /16:12965 /17:7188 /18:12207 /19:25237 /20:35850 /21:38583 /22:58302 /23:50708 /24:289609 /25:1087 /26:1161 /27:661 /28:14 /29:11 /30:8 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2237 3024 Cox Communications Inc. 18566 1996 2041 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1375 1529 Mediacom Communications Corp 6983 1351 1704 EarthLink, Inc. 34984 1281 1976 TELLCOM ILETISIM HIZMETLERI A 6147 1129 1581 Telefonica del Peru S.A.A. 10620 1110 3152 Telmex Colombia S.A. 11492 1101 1165 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1535 2:676 3:1 4:95 5:1754 6:21 8:1435 12:1829 13:4 14:1310 15:17 16:2 17:45 18:21 20:48 23:1202 24:1680 27:1856 31:1506 32:39 33:2 34:5 35:3 36:120 37:1878 38:1012 39:9 40:238 41:2979 42:260 43:1224 44:27 45:311 46:2134 47:34 49:843 50:794 52:12 54:69 55:7 56:8 57:37 58:1214 59:685 60:467 61:1782 62:1316 63:1913 64:4446 65:2264 66:4113 67:2043 68:1076 69:3256 70:955 71:442 72:1968 74:2602 75:319 76:406 77:1492 78:1249 79:806 80:1323 81:1354 82:822 83:675 84:688 85:1354 86:386 87:1063 88:514 89:1776 90:151 91:5945 92:830 93:2183 94:1949 95:2088 96:428 97:343 98:1071 99:45 100:68 101:802 103:7021 104:1422 105:63 106:222 107:903 108:617 109:1999 110:1083 111:1480 112:763 113:1052 114:837 115:1253 116:1351 117:1013 118:1688 119:1442 120:443 121:1050 122:2180 123:1728 124:1506 125:1583 128:623 129:379 130:380 131:1154 132:487 133:167 134:416 135:111 136:305 137:309 138:538 139:164 140:237 141:421 142:640 143:483 144:566 145:107 146:716 147:588 148:1108 149:447 150:556 151:609 152:492 153:239 154:387 155:742 156:407 157:331 158:269 159:978 160:374 161:645 162:1938 163:414 164:659 165:674 166:285 167:689 168:1270 169:154 170:1436 171:240 172:41 173:1532 174:702 175:651 176:1432 177:3803 178:2073 179:873 180:1902 181:1644 182:1732 183:614 184:736 185:3122 186:2621 187:1803 188:1999 189:1591 190:7617 191:952 192:8166 193:5603 194:4092 195:3655 196:1718 197:1084 198:5508 199:5514 200:6540 201:3023 202:9507 203:9065 204:4627 205:2747 206:2983 207:2999 208:3940 209:3925 210:3514 211:1862 212:2485 213:2268 214:868 215:70 216:5544 217:1806 218:676 219:451 220:1429 221:789 222:466 223:658 End of report
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