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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 5 20:12:03 CEST 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 06 Jun, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 547692 Prefixes after maximum aggregation (per Origin AS): 207937 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 266421 Total ASes present in the Internet Routing Table: 50534 Prefixes per ASN: 10.84 Origin-only ASes present in the Internet Routing Table: 36693 Origin ASes announcing only one prefix: 16281 Transit ASes present in the Internet Routing Table: 6318 Transit-only ASes present in the Internet Routing Table: 164 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 41 Max AS path prepend of ASN ( 12486) 32 Prefixes from unregistered ASNs in the Routing Table: 1186 Unregistered ASNs in the Routing Table: 419 Number of 32-bit ASNs allocated by the RIRs: 9729 Number of 32-bit ASNs visible in the Routing Table: 7523 Prefixes from 32-bit ASNs in the Routing Table: 27427 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: 384 Number of addresses announced to Internet: 2770664672 Equivalent to 165 /8s, 36 /16s and 252 /24s Percentage of available address space announced: 74.8 Percentage of allocated address space announced: 74.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.4 Total number of prefixes smaller than registry allocations: 183256 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 135256 Total APNIC prefixes after maximum aggregation: 39207 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 141679 Unique aggregates announced from the APNIC address blocks: 56816 APNIC Region origin ASes present in the Internet Routing Table: 5059 APNIC Prefixes per ASN: 28.01 APNIC Region origin ASes announcing only one prefix: 1201 APNIC Region transit ASes present in the Internet Routing Table: 876 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1478 Number of APNIC addresses announced to Internet: 749103296 Equivalent to 44 /8s, 166 /16s and 104 /24s Percentage of available APNIC address space announced: 87.5 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: 179934 Total ARIN prefixes after maximum aggregation: 88238 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182237 Unique aggregates announced from the ARIN address blocks: 85060 ARIN Region origin ASes present in the Internet Routing Table: 16629 ARIN Prefixes per ASN: 10.96 ARIN Region origin ASes announcing only one prefix: 6123 ARIN Region transit ASes present in the Internet Routing Table: 1740 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: 469 Number of ARIN addresses announced to Internet: 1092423456 Equivalent to 65 /8s, 29 /16s and 15 /24s Percentage of available ARIN address space announced: 57.8 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: 132826 Total RIPE prefixes after maximum aggregation: 66036 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 139044 Unique aggregates announced from the RIPE address blocks: 86274 RIPE Region origin ASes present in the Internet Routing Table: 17953 RIPE Prefixes per ASN: 7.74 RIPE Region origin ASes announcing only one prefix: 8136 RIPE Region transit ASes present in the Internet Routing Table: 2967 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3754 Number of RIPE addresses announced to Internet: 694885632 Equivalent to 41 /8s, 107 /16s and 29 /24s Percentage of available RIPE address space announced: 101.0 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: 60073 Total LACNIC prefixes after maximum aggregation: 11368 LACNIC Deaggregation factor: 5.28 Prefixes being announced from the LACNIC address blocks: 70461 Unique aggregates announced from the LACNIC address blocks: 32746 LACNIC Region origin ASes present in the Internet Routing Table: 2448 LACNIC Prefixes per ASN: 28.78 LACNIC Region origin ASes announcing only one prefix: 625 LACNIC Region transit ASes present in the Internet Routing Table: 498 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1706 Number of LACNIC addresses announced to Internet: 168343040 Equivalent to 10 /8s, 8 /16s and 182 /24s Percentage of available LACNIC address space announced: 100.3 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: 11950 Total AfriNIC prefixes after maximum aggregation: 3046 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 13887 Unique aggregates announced from the AfriNIC address blocks: 5185 AfriNIC Region origin ASes present in the Internet Routing Table: 729 AfriNIC Prefixes per ASN: 19.05 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 155 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 116 Number of AfriNIC addresses announced to Internet: 65576704 Equivalent to 3 /8s, 232 /16s and 159 /24s Percentage of available AfriNIC address space announced: 65.1 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 2923 11557 914 Korea Telecom 17974 2688 904 81 PT Telekomunikasi Indonesia 7545 2610 336 130 TPG Telecom Limited 4755 2025 423 219 TATA Communications formerly 4538 1935 4190 72 China Education and Research 9829 1690 1341 90 National Internet Backbone 9808 1584 8717 28 Guangdong Mobile Communicatio 9583 1485 120 584 Sify Limited 4808 1447 2237 466 CNCGROUP IP network China169 9498 1336 335 102 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 3091 2958 141 Cox Communications Inc. 6389 2796 3688 51 BellSouth.net Inc. 3356 2566 10687 496 Level 3 Communications, Inc. 18566 2047 379 189 MegaPath Corporation 20115 1883 1849 425 Charter Communications 6983 1748 850 244 EarthLink, Inc. 4323 1604 1022 409 tw telecom holdings, inc. 30036 1549 314 471 Mediacom Communications Corp 701 1392 11354 680 MCI Communications Services, 22561 1365 414 250 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 2056 305 358 TELLCOM ILETISIM HIZMETLERI A 20940 1930 757 1403 Akamai International B.V. 6849 1213 356 24 JSC "Ukrtelecom" 31148 1049 45 23 Freenet Ltd. 8402 1046 544 15 OJSC "Vimpelcom" 13188 1040 97 70 TOV "Bank-Inform" 12479 946 868 72 France Telecom Espana SA 6830 906 2693 466 Liberty Global Operations B.V 8551 872 376 52 Bezeq International-Ltd 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 3247 532 204 Telmex Colombia S.A. 28573 2230 2167 114 NET Serviços de Comunicação S 8151 1693 3257 469 Uninet S.A. de C.V. 7303 1667 1047 237 Telecom Argentina S.A. 6147 1617 374 23 Telefonica del Peru S.A.A. 6503 1246 421 55 Axtel, S.A.B. de C.V. 26615 1072 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 931 424 159 COLOMBIA TELECOMUNICACIONES S 18881 869 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 24863 890 280 37 Link Egypt (Link.NET) 8452 797 958 13 TE-AS 36903 514 259 98 Office National des Postes et 36992 423 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 304 146 13 Vodafone Data 3741 250 857 208 Internet Solutions 29571 241 21 12 Cote d'Ivoire Telecom 37054 199 19 6 Data Telecom Service 36947 191 807 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 10620 3247 532 204 Telmex Colombia S.A. 22773 3091 2958 141 Cox Communications Inc. 4766 2923 11557 914 Korea Telecom 6389 2796 3688 51 BellSouth.net Inc. 17974 2688 904 81 PT Telekomunikasi Indonesia 7545 2610 336 130 TPG Telecom Limited 3356 2566 10687 496 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2230 2167 114 NET Serviços de Comunicação S 34984 2056 305 358 TELLCOM ILETISIM HIZMETLERI A 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 3091 2950 Cox Communications Inc. 6389 2796 2745 BellSouth.net Inc. 17974 2688 2607 PT Telekomunikasi Indonesia 7545 2610 2480 TPG Telecom Limited 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2230 2116 NET Serviços de Comunicação S 3356 2566 2070 Level 3 Communications, Inc. 4766 2923 2009 Korea Telecom 4538 1935 1863 China Education and Research 18566 2047 1858 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 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 >>UNKNOWN<< 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 /8:17 /9:13 /10:34 /11:95 /12:264 /13:506 /14:1003 /15:1720 /16:12929 /17:7279 /18:12362 /19:25545 /20:36069 /21:38847 /22:59848 /23:51938 /24:296210 /25:1103 /26:1142 /27:722 /28:14 /29:12 /30:7 /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 2289 3091 Cox Communications Inc. 18566 1999 2047 MegaPath Corporation 6389 1639 2796 BellSouth.net Inc. 6983 1396 1748 EarthLink, Inc. 30036 1382 1549 Mediacom Communications Corp 34984 1322 2056 TELLCOM ILETISIM HIZMETLERI A 6147 1169 1617 Telefonica del Peru S.A.A. 10620 1136 3247 Telmex Colombia S.A. 11492 1124 1208 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1483 2:680 4:93 5:1838 6:25 8:1415 11:1 12:1828 13:14 14:1365 15:17 16:2 17:43 18:22 20:48 23:1224 24:1698 27:1910 31:1603 32:38 33:2 34:4 35:3 36:113 37:1932 38:1037 39:5 40:253 41:2649 42:282 43:1300 44:25 45:686 46:2216 47:42 49:898 50:812 52:12 54:77 55:8 56:6 57:41 58:1297 59:715 60:479 61:1750 62:1338 63:1920 64:4413 65:2272 66:4076 67:2078 68:1062 69:3276 70:990 71:449 72:1986 74:2654 75:336 76:423 77:1338 78:1196 79:794 80:1338 81:1308 82:817 83:699 84:718 85:1416 86:394 87:1040 88:524 89:1848 90:152 91:5986 92:856 93:2223 94:2060 95:2177 96:431 97:354 98:1056 99:49 100:70 101:833 103:7520 104:1783 105:62 106:226 107:987 108:629 109:2060 110:1107 111:1494 112:811 113:1080 114:822 115:1280 116:1382 117:1063 118:1811 119:1427 120:449 121:1086 122:2145 123:1835 124:1513 125:1596 128:648 129:386 130:402 131:1202 132:484 133:175 134:407 135:95 136:330 137:314 138:794 139:154 140:232 141:448 142:661 143:511 144:572 145:116 146:732 147:600 148:1215 149:409 150:564 151:608 152:484 153:243 154:625 155:864 156:409 157:468 158:336 159:1010 160:387 161:660 162:1954 163:426 164:666 165:693 166:310 167:831 168:1306 169:172 170:1473 171:246 172:72 173:1543 174:716 175:709 176:1309 177:3676 178:2150 179:932 180:1942 181:1793 182:1795 183:628 184:756 185:3620 186:2653 187:1753 188:2055 189:1566 190:7709 191:1047 192:8401 193:5601 194:4154 195:3680 196:1980 197:947 198:5538 199:5510 200:6670 201:3147 202:9465 203:9143 204:4684 205:2813 206:3081 207:2946 208:3966 209:3973 210:3532 211:1860 212:2555 213:2334 214:863 215:73 216:5709 217:1829 218:712 219:460 220:1452 221:784 222:476 223:717 End of report
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