IPv4 R&E Routing Table Report 21:10 GMT Mon 23 Jun, 2025 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: 985904 Prefixes after maximum aggregation (per Origin AS): 380553 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 482499 Number of IPv4 prefixes with a valid ROA: 549858 Number of IPv4 prefixes with an invalid ROA: 145 Number of IPv4 prefixes with no ROA: 435901 Total ASes present in the Internet Routing Table: 76838 Prefixes per ASN: 12.83 Origin-only ASes present in the Internet Routing Table: 65816 Origin ASes announcing only one prefix: 26893 Transit ASes present in the Internet Routing Table: 11022 Transit-only ASes present in the Internet Routing Table: 548 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 52 Max AS path prepend of ASN (139693) 35 Prefixes from unregistered ASNs in the Routing Table: 1117 Number of instances of unregistered ASNs: 1155 Number of 32-bit ASNs allocated by the RIRs: 46701 Number of 32-bit ASNs visible in the Routing Table: 38363 Prefixes from 32-bit ASNs in the Routing Table: 204094 Number of bogon 32-bit ASNs visible in the Routing Table: 102 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 452 Number of addresses announced to Internet: 3105939712 Equivalent to 185 /8s, 32 /16s and 225 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 322380 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 259272 Total APNIC prefixes after maximum aggregation: 77410 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 250470 Unique aggregates announced from the APNIC address blocks: 104347 APNIC Region origin ASes present in the Internet Routing Table: 14634 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4460 APNIC Region transit ASes present in the Internet Routing Table: 1964 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10156 Number of APNIC addresses announced to Internet: 748665600 Equivalent to 44 /8s, 159 /16s and 187 /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, 131072-155961 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: 291282 Total ARIN prefixes after maximum aggregation: 131299 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 293228 Unique aggregates announced from the ARIN address blocks: 139504 ARIN Region origin ASes present in the Internet Routing Table: 19236 ARIN Prefixes per ASN: 15.24 ARIN Region origin ASes announcing only one prefix: 7033 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5235 Number of ARIN addresses announced to Internet: 1349677312 Equivalent to 80 /8s, 114 /16s and 113 /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, 393216-402332 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, 54/8, 55/8, 56/8, 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: 274907 Total RIPE prefixes after maximum aggregation: 134880 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 273618 Unique aggregates announced from the RIPE address blocks: 175625 RIPE Region origin ASes present in the Internet Routing Table: 28858 RIPE Prefixes per ASN: 9.48 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3977 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12468 Number of RIPE addresses announced to Internet: 731024128 Equivalent to 43 /8s, 146 /16s and 139 /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, 53/8, 57/8, 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: 123973 Total LACNIC prefixes after maximum aggregation: 29585 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 120448 Unique aggregates announced from the LACNIC address blocks: 48929 LACNIC Region origin ASes present in the Internet Routing Table: 11267 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2512 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9217 Number of LACNIC addresses announced to Internet: 171296512 Equivalent to 10 /8s, 53 /16s and 199 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 35353 Total AfriNIC prefixes after maximum aggregation: 6633 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 47687 Unique aggregates announced from the AfriNIC address blocks: 13692 AfriNIC Region origin ASes present in the Internet Routing Table: 1925 AfriNIC Prefixes per ASN: 24.77 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287 Number of AfriNIC addresses announced to Internet: 105072128 Equivalent to 6 /8s, 67 /16s and 70 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 9808 11244 8759 105 CHINAMOBILE-CN China Mobile Communication 7545 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4399 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4331 534 308 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3271 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2890 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2191 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2175 434 194 TATACOMM-AS TATA Communications formerly 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 13592 40953 5217 AMAZON-02, US 11492 4780 317 603 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3635 1320 81 SHAW, CA 22773 3605 3037 208 ASN-CXA-ALL-CCI-22773-RDC, US 174 3546 8743 861 COGENT-174, US 749 3227 54767 2478 DNIC-AS-00749, US 396982 3191 3854 427 GOOGLE-CLOUD-PLATFORM, US 16625 3119 1309 2257 AKAMAI-AS, US 36352 2821 230 853 AS-COLOCROSSING, 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 7673 1713 148 UNI2-AS, ES 39891 4780 291 66 ALJAWWALSTC-AS, SA 20940 4060 3395 127 AKAMAI-ASN1, NL 9009 3897 358 2100 M247, RO 12389 3115 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2401 361 576 TELLCOM-AS, TR 212238 2315 169 1697 CDNEXT, GB 8452 1635 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1416 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12218 3256 574 UNINET, MX 10620 3505 481 1017 Telmex Colombia S.A., CO 13999 2536 537 354 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1210 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1198 371 22 Telefonica del Peru S.A.A., PE 22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1048 2503 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 24835 1821 644 27 RAYA-AS, EG 24863 1624 389 17 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1431 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1078 523 47 Vodafone-, EG 36914 570 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 530 56 53 WANANCHI-, KE 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 16509 13592 40953 5217 AMAZON-02, US 8151 12218 3256 574 UNINET, MX 9808 11244 8759 105 CHINAMOBILE-CN China Mobile Communication 12479 7673 1713 148 UNI2-AS, ES 7545 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4780 317 603 CABLEONE, US 39891 4780 291 66 ALJAWWALSTC-AS, SA 18403 4399 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4331 534 308 BBIL-AP BHARTI Airtel Ltd., IN 20940 4060 3395 127 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 8151 12218 11644 UNINET, MX 9808 11244 11139 CHINAMOBILE-CN China Mobile Communications Grou 12479 7673 7525 UNI2-AS, ES 7545 6183 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4780 4714 ALJAWWALSTC-AS, SA 18403 4399 4374 FPT-AS-AP FPT Telecom Company, VN 11492 4780 4177 CABLEONE, US 9498 4331 4023 BBIL-AP BHARTI Airtel Ltd., IN 20940 4060 3933 AKAMAI-ASN1, NL 7552 3921 3895 VIETEL-AS-AP Viettel Group, VN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US 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 /10:41 /11:92 /12:300 /13:584 /14:1209 /15:2153 /16:13837 /17:8259 /18:13530 /19:24566 /20:44022 /21:51746 /22:112136 /23:102859 /24:610539 /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 6595 7673 UNI2-AS, ES 8151 6432 12218 UNINET, MX 11492 3576 4780 CABLEONE, US 39891 3489 4780 ALJAWWALSTC-AS, SA 6327 3431 3635 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2736 3605 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2345 13592 AMAZON-02, US 30036 2260 2602 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2192 3505 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) ---------------------------------------------- 1:2376 2:1511 3:821 4:10 5:4808 6:162 7:6 8:1567 9:1 11:172 12:1342 13:444 14:2522 15:363 16:285 17:379 18:918 20:551 21:4 22:188 23:7652 24:2870 25:2 27:2781 29:19 31:3264 32:35 33:1 34:80 35:257 36:3151 37:4574 38:9376 39:906 40:184 41:4271 42:1950 43:2612 44:378 45:18561 46:5099 47:319 49:1929 50:1886 51:591 52:1560 54:323 55:1103 56:11 57:271 58:2218 59:1183 60:1171 61:2792 62:2897 63:1798 64:5506 65:2057 66:4667 67:3084 68:1152 69:3945 70:1130 71:631 72:2881 74:2798 75:1517 76:606 77:2735 78:1872 79:1678 80:2197 81:2054 82:3181 83:1459 84:1874 85:3445 86:1081 87:2121 88:1339 89:4414 90:769 91:8375 92:2726 93:2916 94:4020 95:4371 96:1476 97:311 98:1024 99:685 100:71 101:1406 102:3873 103:32302 104:5163 105:762 106:981 107:2675 108:1250 109:4084 110:2234 111:3279 112:2126 113:1837 114:1991 115:2163 116:2059 117:2571 118:2921 119:1905 120:2062 121:1378 122:2792 123:2215 124:1588 125:2868 126:91 128:1615 129:952 130:1305 131:2050 132:784 133:451 134:1551 135:349 136:1349 137:1308 138:2825 139:1592 140:1615 141:1504 142:1916 143:1895 144:1159 145:547 146:2186 147:2116 148:2695 149:2936 150:1264 151:2078 152:2083 153:590 154:7383 155:1751 156:2854 157:1921 158:1323 159:2499 160:3599 161:1858 162:3869 163:2222 164:1857 165:2018 166:1502 167:1979 168:3966 169:786 170:5121 171:1011 172:4476 173:3342 174:928 175:1321 176:3707 177:4704 178:3747 179:2314 180:2637 181:4077 182:3462 183:2072 184:2129 185:21369 186:5161 187:4578 188:4261 189:4296 190:9574 191:1489 192:11322 193:9456 194:7788 195:5530 196:3300 197:3245 198:6204 199:8511 200:8224 201:6383 202:10285 203:10689 204:4588 205:3649 206:4492 207:3591 208:4294 209:5175 210:4615 211:2535 212:4582 213:3748 214:1027 215:48 216:6772 217:3177 218:1355 219:390 220:2085 221:1147 222:725 223:2480 End of report