IPv4 R&E Routing Table Report 21:10 GMT Fri 25 Aug, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 926473 Prefixes after maximum aggregation (per Origin AS): 351441 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452709 Number of IPv4 prefixes with a valid ROA: 418646 Number of IPv4 prefixes with an invalid ROA: 2210 Number of IPv4 prefixes with no ROA: 505617 Total ASes present in the Internet Routing Table: 74722 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64226 Origin ASes announcing only one prefix: 26336 Transit ASes present in the Internet Routing Table: 10496 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 57 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 42498 Number of 32-bit ASNs visible in the Routing Table: 34988 Prefixes from 32-bit ASNs in the Routing Table: 174468 Number of bogon 32-bit ASNs visible in the Routing Table: 90 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 544 Number of addresses announced to Internet: 3055764224 Equivalent to 182 /8s, 35 /16s and 67 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308470 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244558 Total APNIC prefixes after maximum aggregation: 69805 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 238291 Unique aggregates announced from the APNIC address blocks: 98750 APNIC Region origin ASes present in the Internet Routing Table: 13561 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4013 APNIC Region transit ASes present in the Internet Routing Table: 1814 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of APNIC addresses announced to Internet: 772944896 Equivalent to 46 /8s, 18 /16s and 52 /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, 131072-153913 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: 271759 Total ARIN prefixes after maximum aggregation: 123675 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273905 Unique aggregates announced from the ARIN address blocks: 131121 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.34 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4821 Number of ARIN addresses announced to Internet: 1279488512 Equivalent to 76 /8s, 67 /16s and 114 /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, 393216-401308 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: 260581 Total RIPE prefixes after maximum aggregation: 122679 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257296 Unique aggregates announced from the RIPE address blocks: 159988 RIPE Region origin ASes present in the Internet Routing Table: 28400 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11299 Number of RIPE addresses announced to Internet: 716492032 Equivalent to 42 /8s, 180 /16s and 205 /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 196608-216475 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: 118621 Total LACNIC prefixes after maximum aggregation: 28625 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117644 Unique aggregates announced from the LACNIC address blocks: 49588 LACNIC Region origin ASes present in the Internet Routing Table: 11027 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2705 LACNIC Region transit ASes present in the Internet Routing Table: 2322 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8836 Number of LACNIC addresses announced to Internet: 178584576 Equivalent to 10 /8s, 164 /16s and 252 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29933 Total AfriNIC prefixes after maximum aggregation: 5942 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38792 Unique aggregates announced from the AfriNIC address blocks: 12809 AfriNIC Region origin ASes present in the Internet Routing Table: 1782 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1125 Number of AfriNIC addresses announced to Internet: 107792384 Equivalent to 6 /8s, 108 /16s and 200 /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 9808 9528 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5702 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3106 498 251 BBIL-AP BHARTI Airtel Ltd., IN 4538 2944 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2933 1331 21 VIETEL-AS-AP Viettel Group, VN 24560 2489 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8919 10966 3258 AMAZON-02, US 11492 4524 300 643 CABLEONE, US 7155 4179 288 101 VIASAT-SP-BACKBONE, US 22773 3568 3073 312 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3070 1482 2312 AKAMAI-AS, US 367 2973 3810 1396 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2504 23936 1536 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7341 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4088 3398 154 AKAMAI-ASN1, NL 8551 3462 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2972 2298 919 ROSTELECOM-AS, RU 9009 2655 246 1372 M247, RO 34984 2329 362 595 TELLCOM-AS, TR 58224 1750 922 526 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1514 101 1177 ASDETUK www.heficed.com, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11666 3357 602 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2451 366 644 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1117 181 436 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1035 2501 49 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1594 393 19 LINKdotNET-AS, EG 24835 1503 533 27 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 48 WANANCHI-, KE 24757 478 73 5 EthioNet-AS, ET 37342 466 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11666 3357 602 UNINET, MX 9808 9528 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8919 10966 3258 AMAZON-02, US 12479 7341 1713 145 UNI2-AS, ES 7545 5702 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 643 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 101 VIASAT-SP-BACKBONE, US 20940 4088 3398 154 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9528 9488 CHINAMOBILE-CN China Mobile Communications Grou 12479 7341 7196 UNI2-AS, ES 16509 8919 5661 AMAZON-02, US 7545 5702 5016 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4078 VIASAT-SP-BACKBONE, US 20940 4088 3934 AKAMAI-ASN1, NL 11492 4524 3881 CABLEONE, US 7713 3595 3532 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:102 /12:298 /13:579 /14:1194 /15:2098 /16:13512 /17:8252 /18:13828 /19:25005 /20:44046 /21:51253 /22:109865 /23:99109 /24:557262 /25:0 /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 6427 7341 UNI2-AS, ES 8151 5708 11666 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 8551 2930 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2612 3568 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2224 2:1381 3:233 4:5 5:4548 6:138 7:6 8:1528 9:1 11:172 12:1505 13:368 14:2297 15:301 16:195 17:371 18:623 20:280 21:4 22:188 23:6384 24:2493 25:6 27:2572 29:19 31:2535 32:78 34:25 35:118 36:1984 37:4611 38:5147 39:864 40:147 41:4016 42:2090 43:2307 44:322 45:16627 46:4269 47:384 49:1792 50:1864 51:595 52:1595 54:393 55:962 56:8 57:122 58:1872 59:1160 60:995 61:2497 62:2662 63:1921 64:5578 65:2332 66:4945 67:3021 68:1339 69:4137 70:1194 71:665 72:2958 74:2615 75:1563 76:622 77:2442 78:1834 79:2989 80:2122 81:1820 82:1459 83:1279 84:1528 85:2980 86:754 87:2003 88:1175 89:3860 90:617 91:7804 92:2068 93:2611 94:3536 95:4010 96:1294 97:317 98:1079 99:735 100:91 101:1318 102:2951 103:32086 104:4589 105:553 106:881 107:2588 108:1128 109:4259 110:2107 111:3129 112:2078 113:1740 114:1674 115:2037 116:1905 117:2454 118:2700 119:1998 120:1790 121:1126 122:2581 123:2158 124:1572 125:2510 128:1483 129:924 130:1038 131:1958 132:859 133:420 134:1791 135:306 136:913 137:1122 138:2656 139:1573 140:1236 141:1294 142:1488 143:1490 144:981 145:345 146:1969 147:1613 148:2457 149:2141 150:877 151:1228 152:1863 153:584 154:4820 155:1386 156:1938 157:1322 158:1082 159:2229 160:2611 161:1593 162:3528 163:1601 164:1714 165:1846 166:975 167:1736 168:3851 169:914 170:4608 171:855 172:3679 173:2977 174:987 175:1195 176:3771 177:4492 178:3542 179:2122 180:2493 181:3444 182:3312 183:1999 184:2286 185:20525 186:4774 187:4095 188:4149 189:3782 190:9280 191:1336 192:10933 193:8950 194:7300 195:5193 196:3127 197:2369 198:6010 199:6074 200:7955 201:6029 202:10502 203:10173 204:4542 205:3664 206:4328 207:3478 208:4137 209:4933 210:4418 211:2479 212:4234 213:3598 214:1087 215:59 216:6670 217:2781 218:1297 219:468 220:2033 221:980 222:759 223:2152 End of report