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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 18 20:12:17 CEST 2014
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, LacNOG, TRNOG, 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 19 Jul, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 503174 Prefixes after maximum aggregation: 195916 Deaggregation factor: 2.57 Unique aggregates announced to Internet: 248234 Total ASes present in the Internet Routing Table: 47325 Prefixes per ASN: 10.63 Origin-only ASes present in the Internet Routing Table: 35997 Origin ASes announcing only one prefix: 16366 Transit ASes present in the Internet Routing Table: 6142 Transit-only ASes present in the Internet Routing Table: 177 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1792 Unregistered ASNs in the Routing Table: 465 Number of 32-bit ASNs allocated by the RIRs: 7045 Number of 32-bit ASNs visible in the Routing Table: 5186 Prefixes from 32-bit ASNs in the Routing Table: 18527 Number of bogon 32-bit ASNs visible in the Routing Table: 358 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 383 Number of addresses announced to Internet: 2708501988 Equivalent to 161 /8s, 112 /16s and 117 /24s Percentage of available address space announced: 73.2 Percentage of allocated address space announced: 73.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.7 Total number of prefixes smaller than registry allocations: 172960 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 121509 Total APNIC prefixes after maximum aggregation: 35733 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 124851 Unique aggregates announced from the APNIC address blocks: 51946 APNIC Region origin ASes present in the Internet Routing Table: 4960 APNIC Prefixes per ASN: 25.17 APNIC Region origin ASes announcing only one prefix: 1222 APNIC Region transit ASes present in the Internet Routing Table: 880 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1011 Number of APNIC addresses announced to Internet: 734619008 Equivalent to 43 /8s, 201 /16s and 101 /24s Percentage of available APNIC address space announced: 85.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 169118 Total ARIN prefixes after maximum aggregation: 84233 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 170923 Unique aggregates announced from the ARIN address blocks: 79771 ARIN Region origin ASes present in the Internet Routing Table: 16337 ARIN Prefixes per ASN: 10.46 ARIN Region origin ASes announcing only one prefix: 6115 ARIN Region transit ASes present in the Internet Routing Table: 1690 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 142 Number of ARIN addresses announced to Internet: 1090072608 Equivalent to 64 /8s, 249 /16s and 48 /24s Percentage of available ARIN address space announced: 57.7 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: 124194 Total RIPE prefixes after maximum aggregation: 62926 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 129002 Unique aggregates announced from the RIPE address blocks: 81741 RIPE Region origin ASes present in the Internet Routing Table: 17754 RIPE Prefixes per ASN: 7.27 RIPE Region origin ASes announcing only one prefix: 8271 RIPE Region transit ASes present in the Internet Routing Table: 2881 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2728 Number of RIPE addresses announced to Internet: 658555524 Equivalent to 39 /8s, 64 /16s and 194 /24s Percentage of available RIPE address space announced: 95.7 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: 58677 Total LACNIC prefixes after maximum aggregation: 10276 LACNIC Deaggregation factor: 5.71 Prefixes being announced from the LACNIC address blocks: 66246 Unique aggregates announced from the LACNIC address blocks: 29968 LACNIC Region origin ASes present in the Internet Routing Table: 2161 LACNIC Prefixes per ASN: 30.66 LACNIC Region origin ASes announcing only one prefix: 547 LACNIC Region transit ASes present in the Internet Routing Table: 448 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1261 Number of LACNIC addresses announced to Internet: 167012288 Equivalent to 9 /8s, 244 /16s and 103 /24s Percentage of available LACNIC address space announced: 99.5 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus 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: 11043 Total AfriNIC prefixes after maximum aggregation: 2710 AfriNIC Deaggregation factor: 4.07 Prefixes being announced from the AfriNIC address blocks: 11769 Unique aggregates announced from the AfriNIC address blocks: 4476 AfriNIC Region origin ASes present in the Internet Routing Table: 724 AfriNIC Prefixes per ASN: 16.26 AfriNIC Region origin ASes announcing only one prefix: 211 AfriNIC Region transit ASes present in the Internet Routing Table: 158 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 44 Number of AfriNIC addresses announced to Internet: 57803264 Equivalent to 3 /8s, 114 /16s and 2 /24s Percentage of available AfriNIC address space announced: 57.4 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 2963 11592 925 Korea Telecom 17974 2796 899 72 PT Telekomunikasi Indonesia 7545 2324 320 115 TPG Telecom Limited 4755 1858 392 197 TATA Communications formerly 9829 1654 1306 31 National Internet Backbone 9583 1308 103 532 Sify Limited 9498 1292 317 93 BHARTI Airtel Ltd. 7552 1224 1098 14 Viettel Corporation 4808 1204 2149 370 CNCGROUP IP network China169 24560 1151 399 191 Bharti Airtel Ltd., Telemedia 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 6389 2948 3688 53 BellSouth.net Inc. 22773 2719 2940 141 Cox Communications Inc. 7029 2448 1905 302 Windstream Communications Inc 18566 2047 379 178 MegaPath Corporation 20115 1735 1724 565 Charter Communications 4323 1628 1072 410 tw telecom holdings, inc. 30036 1460 310 623 Mediacom Communications Corp 701 1438 11187 726 MCI Communications Services, 6983 1387 817 312 ITC^Deltacom 22561 1306 406 233 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 34984 1718 265 276 TELLCOM ILETISIM HIZMETLERI A 20940 1430 555 1054 Akamai International B.V. 8402 1300 544 15 OJSC "Vimpelcom" 31148 1042 45 20 Freenet Ltd. 13188 1031 100 28 TOV "Bank-Inform" 8551 996 371 42 Bezeq International-Ltd 6849 818 356 26 JSC "Ukrtelecom" 6830 775 2335 431 Liberty Global Operations B.V 12479 743 796 59 France Telecom Espana SA 9198 588 346 28 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 28573 3822 2031 102 NET Serviços de Comunicação S 10620 2917 472 222 Telmex Colombia S.A. 18881 2090 1036 22 Global Village Telecom 7303 1769 1180 231 Telecom Argentina S.A. 8151 1436 2967 405 Uninet S.A. de C.V. 6503 1118 434 61 Axtel, S.A.B. de C.V. 6147 1089 373 28 Telefonica del Peru S.A.A. 7738 977 1882 41 Telemar Norte Leste S.A. 27947 895 130 51 Telconet S.A 26615 860 2325 35 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 24863 914 280 26 Link Egypt (Link.NET) 6713 673 744 37 Office National des Postes et 8452 592 958 13 TE-AS 36992 311 784 26 ETISALAT MISR 24835 306 144 9 Vodafone Data 3741 250 921 213 Internet Solutions 29571 233 22 17 Cote d'Ivoire Telecom 37054 226 19 6 Data Telecom Service 15706 187 32 6 Sudatel (Sudan Telecom Co. Lt 12258 176 27 67 MWEB CONNECT (PROPRIETARY) LI 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 28573 3822 2031 102 NET Serviços de Comunicação S 4766 2963 11592 925 Korea Telecom 6389 2948 3688 53 BellSouth.net Inc. 10620 2917 472 222 Telmex Colombia S.A. 17974 2796 899 72 PT Telekomunikasi Indonesia 22773 2719 2940 141 Cox Communications Inc. 7029 2448 1905 302 Windstream Communications Inc 7545 2324 320 115 TPG Telecom Limited 18881 2090 1036 22 Global Village Telecom 18566 2047 379 178 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 6389 2948 2895 BellSouth.net Inc. 17974 2796 2724 PT Telekomunikasi Indonesia 10620 2917 2695 Telmex Colombia S.A. 22773 2719 2578 Cox Communications Inc. 7545 2324 2209 TPG Telecom Limited 7029 2448 2146 Windstream Communications Inc 18881 2090 2068 Global Village Telecom 4766 2963 2038 Korea Telecom 18566 2047 1869 MegaPath Corporation 4755 1858 1661 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 65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS 65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 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 Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.226.240.0/20 40430 colo4jax, LLC 23.226.240.0/21 40430 colo4jax, LLC 23.226.248.0/21 40430 colo4jax, LLC 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 41.76.48.0/21 36969 Malawi Telecommunications Lim 41.78.120.0/23 22351 INTELSAT GLOBAL SERVICE CORPO 41.78.180.0/23 37265 Neural Telecommunications Afr 41.78.236.0/24 37290 >>UNKNOWN<< 41.78.237.0/24 37290 >>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 /10:30 /11:91 /12:259 /13:498 /14:980 /15:1702 /16:13019 /17:7007 /18:11693 /19:24692 /20:35045 /21:37458 /22:54020 /23:47374 /24:267061 /25:835 /26:932 /27:394 /28:13 /29:18 /30:10 /31:1 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2002 2047 MegaPath Corporation 22773 1962 2719 Cox Communications Inc. 6389 1693 2948 BellSouth.net Inc. 30036 1304 1460 Mediacom Communications Corp 7029 1274 2448 Windstream Communications Inc 11492 1179 1231 CABLE ONE, INC. 6983 1095 1387 ITC^Deltacom 34984 1046 1718 TELLCOM ILETISIM HIZMETLERI A 10620 1024 2917 Telmex Colombia S.A. 22561 1003 1306 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1228 2:655 3:3 4:15 5:1038 6:19 8:713 12:1856 13:4 14:1100 15:15 16:2 17:40 18:21 20:37 23:897 24:1753 27:1772 31:1505 32:41 33:2 34:5 36:139 37:1818 38:951 39:7 40:207 41:2647 42:256 43:124 44:13 45:42 46:2084 47:24 49:725 50:813 52:12 54:46 55:5 56:3 57:29 58:1220 59:616 60:414 61:1581 62:1246 63:1857 64:4366 65:2291 66:4154 67:2045 68:1046 69:3341 70:888 71:440 72:2005 74:2627 75:322 76:411 77:1657 78:807 79:712 80:1308 81:1206 82:768 83:771 84:773 85:1318 86:426 87:1139 88:465 89:1783 90:138 91:5719 92:729 93:1753 94:2016 95:1607 96:497 97:360 98:1091 99:49 100:65 101:946 103:5306 104:61 105:34 106:181 107:573 108:592 109:2022 110:997 111:1346 112:672 113:866 114:797 115:1132 116:1084 117:973 118:1496 119:1407 120:406 121:846 122:2118 123:1428 124:1417 125:1543 128:589 129:338 130:359 131:670 132:416 133:162 134:320 135:74 136:299 137:287 138:365 139:166 140:225 141:388 142:568 143:437 144:504 145:107 146:651 147:488 148:895 149:387 150:347 151:712 152:450 153:220 154:312 155:516 156:355 157:340 158:250 159:913 160:333 161:566 162:1609 163:318 164:689 165:621 166:291 167:642 168:1063 169:124 170:1361 171:183 172:65 173:1503 174:715 175:606 176:1400 177:3266 178:2070 179:788 180:1775 181:1306 182:1602 183:529 184:723 185:1884 186:2909 187:1612 188:2144 189:1483 190:7677 191:660 192:7414 193:5507 194:4043 195:3531 196:1419 197:674 198:5109 199:5535 200:6333 201:2694 202:9147 203:8969 204:4591 205:2628 206:2969 207:2961 208:3956 209:3740 210:3128 211:1722 212:2313 213:2113 214:878 215:87 216:5550 217:1687 218:608 219:330 220:1284 221:628 222:357 223:593 End of report
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