IPv4 R&E Routing Table Report 21:10 GMT Tue 08 Jul, 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: 985111 Prefixes after maximum aggregation (per Origin AS): 381976 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 484841 Number of IPv4 prefixes with a valid ROA: 554098 Number of IPv4 prefixes with an invalid ROA: 145 Number of IPv4 prefixes with no ROA: 430858 Total ASes present in the Internet Routing Table: 76953 Prefixes per ASN: 12.80 Origin-only ASes present in the Internet Routing Table: 65910 Origin ASes announcing only one prefix: 26902 Transit ASes present in the Internet Routing Table: 11043 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 78 Max AS path prepend of ASN (133647) 73 Prefixes from unregistered ASNs in the Routing Table: 1053 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 46788 Number of 32-bit ASNs visible in the Routing Table: 38490 Prefixes from 32-bit ASNs in the Routing Table: 204612 Number of bogon 32-bit ASNs visible in the Routing Table: 97 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 421 Number of addresses announced to Internet: 3104597248 Equivalent to 185 /8s, 12 /16s and 101 /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: 322317 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260773 Total APNIC prefixes after maximum aggregation: 77623 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 251503 Unique aggregates announced from the APNIC address blocks: 104659 APNIC Region origin ASes present in the Internet Routing Table: 14679 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4469 APNIC Region transit ASes present in the Internet Routing Table: 1976 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10209 Number of APNIC addresses announced to Internet: 749022720 Equivalent to 44 /8s, 165 /16s and 46 /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: 291517 Total ARIN prefixes after maximum aggregation: 131766 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 293146 Unique aggregates announced from the ARIN address blocks: 140393 ARIN Region origin ASes present in the Internet Routing Table: 19238 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: 1992 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: 5244 Number of ARIN addresses announced to Internet: 1349179136 Equivalent to 80 /8s, 106 /16s and 215 /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: 275965 Total RIPE prefixes after maximum aggregation: 135598 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 274923 Unique aggregates announced from the RIPE address blocks: 176646 RIPE Region origin ASes present in the Internet Routing Table: 28920 RIPE Prefixes per ASN: 9.51 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3987 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12519 Number of RIPE addresses announced to Internet: 731269376 Equivalent to 43 /8s, 150 /16s and 73 /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: 124253 Total LACNIC prefixes after maximum aggregation: 29687 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 120623 Unique aggregates announced from the LACNIC address blocks: 49059 LACNIC Region origin ASes present in the Internet Routing Table: 11276 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2522 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: 9228 Number of LACNIC addresses announced to Internet: 171196160 Equivalent to 10 /8s, 52 /16s and 63 /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: 31550 Total AfriNIC prefixes after maximum aggregation: 6590 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 44494 Unique aggregates announced from the AfriNIC address blocks: 13706 AfriNIC Region origin ASes present in the Internet Routing Table: 1925 AfriNIC Prefixes per ASN: 23.11 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290 Number of AfriNIC addresses announced to Internet: 103692032 Equivalent to 6 /8s, 46 /16s and 55 /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 11743 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3925 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3280 1868 100 VNPT-AS-VN VNPT Corp, VN 24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2581 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2182 434 193 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 13531 40954 5229 AMAZON-02, US 11492 4787 317 605 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3636 1320 82 SHAW, CA 22773 3604 3039 210 ASN-CXA-ALL-CCI-22773-RDC, US 174 3479 8771 863 COGENT-174, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US 16625 3115 1308 2251 AKAMAI-AS, US 4155 2838 215 1736 USDA-1, 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 7666 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4073 3395 127 AKAMAI-ASN1, NL 9009 3787 360 2112 M247, RO 12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 582 TELLCOM-AS, TR 212238 2351 168 1719 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1571 1852 14 TE-AS TE-AS, EG 8551 1421 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 12274 3255 575 UNINET, MX 10620 3508 481 1019 Telmex Colombia S.A., CO 13999 2541 538 355 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1023 373 162 Axtel, S.A.B. de C.V., MX 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 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 777 522 45 Vodafone-, EG 36992 725 1405 195 ETISALAT-MISR, EG 24835 698 633 33 RAYA-AS, EG 37069 594 866 19 MOBINIL, EG 36914 571 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 24863 537 388 19 LINKdotNET-AS, EG 15399 531 56 54 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 13531 40954 5229 AMAZON-02, US 8151 12274 3255 575 UNINET, MX 9808 11743 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7666 1713 148 UNI2-AS, ES 7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4787 317 605 CABLEONE, US 18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4073 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 12274 11699 UNINET, MX 9808 11743 11629 CHINAMOBILE-CN China Mobile Communications Grou 12479 7666 7518 UNI2-AS, ES 7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4450 4425 FPT-AS-AP FPT Telecom Company, VN 11492 4787 4182 CABLEONE, US 9498 4358 4046 BBIL-AP BHARTI Airtel Ltd., IN 20940 4073 3946 AKAMAI-ASN1, NL 7552 3925 3898 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /12:297 /13:580 /14:1202 /15:2148 /16:13762 /17:8238 /18:13447 /19:24462 /20:43346 /21:51632 /22:110514 /23:102804 /24:612515 /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 6590 7666 UNI2-AS, ES 8151 6496 12274 UNINET, MX 11492 3581 4787 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3636 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2733 3604 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2322 13531 AMAZON-02, US 30036 2270 2612 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3508 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) ---------------------------------------------- 1:2394 2:1529 3:819 4:10 5:4737 6:162 7:6 8:1558 9:1 11:172 12:1343 13:449 14:2551 15:363 16:285 17:381 18:893 20:555 21:4 22:188 23:7746 24:2729 25:2 27:2796 29:19 31:3324 32:35 33:1 34:80 35:259 36:3488 37:4576 38:9379 39:908 40:236 41:3984 42:1938 43:2666 44:374 45:18516 46:5099 47:331 49:1883 50:1892 51:588 52:1549 54:320 55:1104 56:11 57:273 58:2188 59:1187 60:1174 61:2793 62:2849 63:1801 64:5533 65:2062 66:4722 67:3092 68:1121 69:3957 70:1107 71:628 72:2870 74:2790 75:1514 76:607 77:2760 78:1916 79:1718 80:2190 81:2072 82:3161 83:1438 84:1826 85:3464 86:1083 87:2145 88:1346 89:4404 90:776 91:8410 92:2746 93:2939 94:4049 95:4412 96:1493 97:310 98:1001 99:693 100:72 101:1182 102:3891 103:32252 104:5222 105:745 106:975 107:2661 108:1254 109:4142 110:2238 111:3253 112:2218 113:1839 114:1962 115:2207 116:2057 117:2592 118:2989 119:1911 120:2113 121:1330 122:2791 123:2227 124:1615 125:2877 126:91 128:1604 129:962 130:1299 131:2049 132:781 133:450 134:1578 135:349 136:1386 137:1318 138:2814 139:1595 140:1628 141:1505 142:1897 143:1951 144:1162 145:558 146:2178 147:2101 148:2712 149:2937 150:1227 151:2210 152:2072 153:590 154:7667 155:1775 156:3186 157:1934 158:1341 159:2510 160:3610 161:1855 162:3881 163:2241 164:1866 165:2063 166:1504 167:2007 168:3980 169:785 170:5109 171:1005 172:4459 173:3360 174:928 175:1323 176:3705 177:4707 178:3920 179:2311 180:2601 181:4130 182:3492 183:2123 184:2130 185:21553 186:5186 187:4596 188:4260 189:4318 190:9575 191:1462 192:11318 193:9473 194:7762 195:5550 196:3261 197:3130 198:6201 199:8533 200:8207 201:6383 202:10342 203:10657 204:4595 205:3667 206:4512 207:3625 208:4290 209:5154 210:4620 211:2562 212:4561 213:3788 214:1024 215:46 216:6787 217:3156 218:1361 219:392 220:2143 221:1178 222:714 223:2593 End of report