IPv4 R&E Routing Table Report 21:10 GMT Sun 17 Dec, 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: 935789 Prefixes after maximum aggregation (per Origin AS): 356628 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455659 Number of IPv4 prefixes with a valid ROA: 434456 Number of IPv4 prefixes with an invalid ROA: 2404 Number of IPv4 prefixes with no ROA: 498929 Total ASes present in the Internet Routing Table: 75096 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64541 Origin ASes announcing only one prefix: 26510 Transit ASes present in the Internet Routing Table: 10555 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 48 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (203217) 33 Prefixes from unregistered ASNs in the Routing Table: 1091 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 43235 Number of 32-bit ASNs visible in the Routing Table: 35513 Prefixes from 32-bit ASNs in the Routing Table: 178575 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3046990848 Equivalent to 181 /8s, 157 /16s and 100 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 310407 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248167 Total APNIC prefixes after maximum aggregation: 71651 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 241353 Unique aggregates announced from the APNIC address blocks: 99519 APNIC Region origin ASes present in the Internet Routing Table: 13821 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4164 APNIC Region transit ASes present in the Internet Routing Table: 1861 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9184 Number of APNIC addresses announced to Internet: 770413568 Equivalent to 45 /8s, 235 /16s and 148 /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: 273495 Total ARIN prefixes after maximum aggregation: 124423 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278093 Unique aggregates announced from the ARIN address blocks: 132599 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1275480320 Equivalent to 76 /8s, 6 /16s and 73 /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: 262741 Total RIPE prefixes after maximum aggregation: 124976 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257318 Unique aggregates announced from the RIPE address blocks: 160829 RIPE Region origin ASes present in the Internet Routing Table: 28496 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11476 Number of RIPE addresses announced to Internet: 714638336 Equivalent to 42 /8s, 152 /16s and 132 /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: 119855 Total LACNIC prefixes after maximum aggregation: 28807 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118602 Unique aggregates announced from the LACNIC address blocks: 49363 LACNIC Region origin ASes present in the Internet Routing Table: 11030 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2357 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8880 Number of LACNIC addresses announced to Internet: 178299136 Equivalent to 10 /8s, 160 /16s and 161 /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: 30440 Total AfriNIC prefixes after maximum aggregation: 6025 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39906 Unique aggregates announced from the AfriNIC address blocks: 12924 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 350 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1153 Number of AfriNIC addresses announced to Internet: 107798528 Equivalent to 6 /8s, 108 /16s and 224 /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 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5671 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4468 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3394 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3247 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 3011 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2940 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2644 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 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 9363 11178 3419 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4176 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3486 3070 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3158 1404 2317 AKAMAI-AS, US 367 2937 3838 1400 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2577 23628 1595 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 7591 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3996 3397 143 AKAMAI-ASN1, NL 9009 3495 300 1630 M247, RO 8551 3364 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2962 2301 910 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 1852 14 TE-AS TE-AS, EG 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 12134 3379 594 UNINET, MX 10620 3509 496 906 Telmex Colombia S.A., CO 13999 2490 339 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1092 177 430 Techtel LMDS Comunicaciones Interactiva 6147 1083 369 22 Telefonica del Peru S.A.A., PE 22884 1071 115 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1049 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 490 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 12134 3379 594 UNINET, MX 9808 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9363 11178 3419 AMAZON-02, US 12479 7591 1714 146 UNI2-AS, ES 7545 5671 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4468 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 96 VIASAT-SP-BACKBONE, US 20940 3996 3397 143 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 9768 9725 CHINAMOBILE-CN China Mobile Communications Grou 12479 7591 7445 UNI2-AS, ES 16509 9363 5944 AMAZON-02, US 7545 5671 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4468 4443 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4080 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3996 3853 AKAMAI-ASN1, NL 7713 3592 3528 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:38 /11:99 /12:298 /13:582 /14:1191 /15:2089 /16:13451 /17:8237 /18:13798 /19:25017 /20:43939 /21:51562 /22:110525 /23:99653 /24:565279 /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 6677 7591 UNI2-AS, ES 8151 6153 12134 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3120 4176 VIASAT-SP-BACKBONE, US 8551 2841 3364 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2540 3486 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2475 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2113 3509 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) ---------------------------------------------- 1:2239 2:1410 3:282 4:5 5:4392 6:164 7:6 8:1514 9:1 11:172 12:1489 13:372 14:2317 15:308 16:207 17:361 18:696 20:344 21:4 22:188 23:6587 24:2602 25:2 27:2594 29:19 31:2546 32:53 34:35 35:119 36:2087 37:4504 38:5711 39:881 40:147 41:4119 42:2164 43:2307 44:329 45:16720 46:4404 47:298 49:1896 50:1888 51:573 52:1596 54:381 55:874 56:5 57:130 58:1937 59:1164 60:1009 61:2590 62:2748 63:1909 64:5506 65:2229 66:5011 67:3052 68:1331 69:4057 70:1172 71:617 72:2930 74:2643 75:1551 76:630 77:2336 78:1823 79:3010 80:2110 81:1868 82:1535 83:1322 84:1623 85:2982 86:784 87:1985 88:1233 89:3934 90:650 91:7896 92:2182 93:2637 94:3589 95:4022 96:1297 97:316 98:1020 99:746 100:96 101:1152 102:3038 103:32547 104:4790 105:599 106:979 107:2759 108:1140 109:4183 110:2139 111:3145 112:2079 113:1707 114:1745 115:2055 116:1929 117:2503 118:2758 119:1964 120:1784 121:1284 122:2653 123:2198 124:1585 125:2775 128:1497 129:914 130:1067 131:1995 132:873 133:411 134:1704 135:294 136:913 137:1135 138:2737 139:1562 140:1383 141:1355 142:1542 143:1520 144:1003 145:336 146:2001 147:1651 148:2492 149:2387 150:1017 151:1315 152:1846 153:595 154:5365 155:1374 156:2111 157:1381 158:1090 159:2203 160:2624 161:1623 162:3593 163:1647 164:1633 165:1879 166:1091 167:1749 168:3824 169:792 170:4695 171:954 172:3759 173:3018 174:898 175:1222 176:3605 177:4682 178:3552 179:2200 180:2397 181:3596 182:3409 183:2023 184:2266 185:20514 186:4793 187:4278 188:4005 189:3952 190:9260 191:1490 192:11011 193:8997 194:7342 195:5214 196:3139 197:2643 198:6012 199:6756 200:8065 201:6253 202:10496 203:10199 204:4595 205:3666 206:4458 207:3485 208:4104 209:4946 210:4546 211:2524 212:4212 213:3381 214:1117 215:49 216:6771 217:2770 218:1319 219:475 220:2021 221:1021 222:795 223:2191 End of report