IPv4 R&E Routing Table Report 21:10 GMT Tue 05 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: 933977 Prefixes after maximum aggregation (per Origin AS): 356027 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455353 Number of IPv4 prefixes with a valid ROA: 431885 Number of IPv4 prefixes with an invalid ROA: 2189 Number of IPv4 prefixes with no ROA: 499903 Total ASes present in the Internet Routing Table: 75052 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64497 Origin ASes announcing only one prefix: 26506 Transit ASes present in the Internet Routing Table: 10555 Transit-only ASes present in the Internet Routing Table: 469 Paths with bogon ASNs present in the IPv4 Routing Table: 47 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1030 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 43154 Number of 32-bit ASNs visible in the Routing Table: 35444 Prefixes from 32-bit ASNs in the Routing Table: 178108 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 3047862016 Equivalent to 181 /8s, 170 /16s and 175 /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: 309215 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247788 Total APNIC prefixes after maximum aggregation: 71421 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 240997 Unique aggregates announced from the APNIC address blocks: 99560 APNIC Region origin ASes present in the Internet Routing Table: 13772 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 4141 APNIC Region transit ASes present in the Internet Routing Table: 1857 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: 9124 Number of APNIC addresses announced to Internet: 770937088 Equivalent to 45 /8s, 243 /16s and 145 /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: 273341 Total ARIN prefixes after maximum aggregation: 124327 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277873 Unique aggregates announced from the ARIN address blocks: 132452 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 4823 Number of ARIN addresses announced to Internet: 1276144128 Equivalent to 76 /8s, 16 /16s and 106 /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: 261357 Total RIPE prefixes after maximum aggregation: 124804 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255989 Unique aggregates announced from the RIPE address blocks: 160633 RIPE Region origin ASes present in the Internet Routing Table: 28473 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3886 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11454 Number of RIPE addresses announced to Internet: 714411520 Equivalent to 42 /8s, 149 /16s and 14 /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: 120045 Total LACNIC prefixes after maximum aggregation: 28756 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118780 Unique aggregates announced from the LACNIC address blocks: 49425 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2350 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: 8894 Number of LACNIC addresses announced to Internet: 178456320 Equivalent to 10 /8s, 163 /16s and 7 /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: 30416 Total AfriNIC prefixes after maximum aggregation: 6018 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39807 Unique aggregates announced from the AfriNIC address blocks: 12850 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 633 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1149 Number of AfriNIC addresses announced to Internet: 107546624 Equivalent to 6 /8s, 105 /16s and 8 /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 9743 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3596 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3385 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3244 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2990 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2635 853 368 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 9373 11175 3339 AMAZON-02, US 11492 4559 302 679 CABLEONE, US 7155 4174 288 95 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3513 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3143 1393 2302 AKAMAI-AS, US 367 3003 3844 1423 DNIC-ASBLK-00306-00371, US 396982 2724 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2550 23609 1591 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 7522 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 4009 3397 143 AKAMAI-ASN1, NL 9009 3480 299 1625 M247, RO 12389 2934 2301 909 ROSTELECOM-AS, RU 8551 2370 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2322 360 588 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 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 12121 3377 602 UNINET, MX 10620 3526 499 871 Telmex Colombia S.A., CO 13999 2476 338 641 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 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 1089 174 437 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 1593 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 510 82 3 KENET-AS, KE 15399 503 53 41 WANANCHI-, KE 37342 491 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 12121 3377 602 UNINET, MX 9808 9743 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9373 11175 3339 AMAZON-02, US 12479 7522 1714 146 UNI2-AS, ES 7545 5680 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4559 302 679 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4174 288 95 VIASAT-SP-BACKBONE, US 20940 4009 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 9743 9702 CHINAMOBILE-CN China Mobile Communications Grou 12479 7522 7376 UNI2-AS, ES 16509 9373 6034 AMAZON-02, US 7545 5680 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4407 4382 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4079 VIASAT-SP-BACKBONE, US 11492 4559 3880 CABLEONE, US 20940 4009 3866 AKAMAI-ASN1, NL 7713 3596 3529 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 /14:1189 /15:2089 /16:13462 /17:8269 /18:13813 /19:24996 /20:43864 /21:51492 /22:110461 /23:99715 /24:563579 /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 6615 7522 UNI2-AS, ES 8151 6138 12121 UNINET, MX 11492 3473 4559 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3119 4174 VIASAT-SP-BACKBONE, US 22773 2566 3513 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2126 2470 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3526 Telmex Colombia S.A., CO 16509 1918 9373 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2237 2:1429 3:279 4:5 5:4391 6:160 7:6 8:1508 9:1 11:172 12:1487 13:371 14:2315 15:304 16:205 17:362 18:701 20:318 21:4 22:188 23:6537 24:2576 25:2 27:2597 29:19 31:2552 32:53 34:32 35:119 36:2043 37:4476 38:5690 39:881 40:150 41:4099 42:2126 43:2316 44:328 45:16734 46:4378 47:310 49:1897 50:1875 51:573 52:1590 54:393 55:867 56:5 57:129 58:1924 59:1154 60:1009 61:2583 62:2725 63:1901 64:5488 65:2227 66:5028 67:3048 68:1358 69:4097 70:1184 71:617 72:2932 74:2622 75:1565 76:628 77:2277 78:1824 79:2639 80:2115 81:1852 82:1531 83:1326 84:1624 85:2976 86:779 87:1974 88:1235 89:3970 90:638 91:7880 92:2166 93:2643 94:3573 95:4013 96:1299 97:316 98:1017 99:737 100:95 101:1418 102:3006 103:32536 104:4793 105:592 106:977 107:2748 108:1139 109:3554 110:2135 111:3143 112:2079 113:1691 114:1740 115:2050 116:1923 117:2501 118:2747 119:1960 120:1784 121:1278 122:2638 123:2193 124:1587 125:2761 128:1502 129:913 130:1059 131:2003 132:874 133:410 134:1706 135:299 136:917 137:1138 138:2732 139:1567 140:1342 141:1355 142:1542 143:1547 144:1007 145:344 146:1995 147:1640 148:2456 149:2329 150:1017 151:1289 152:1838 153:593 154:5300 155:1376 156:2127 157:1385 158:1085 159:2204 160:2619 161:1617 162:3563 163:1645 164:1637 165:1880 166:1109 167:1767 168:3844 169:801 170:4684 171:946 172:3767 173:3008 174:902 175:1226 176:3602 177:4614 178:3551 179:2214 180:2377 181:3606 182:3406 183:2028 184:2251 185:20476 186:4793 187:4275 188:4004 189:3967 190:9338 191:1489 192:11017 193:8974 194:7304 195:5203 196:3146 197:2636 198:6023 199:6612 200:8098 201:6234 202:10505 203:10207 204:4604 205:3691 206:4417 207:3502 208:4111 209:4915 210:4493 211:2502 212:4221 213:3407 214:1120 215:63 216:6750 217:2752 218:1318 219:474 220:2027 221:1017 222:794 223:2193 End of report