IPv4 R&E Routing Table Report 21:10 GMT Sat 05 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: 988836 Prefixes after maximum aggregation (per Origin AS): 382176 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 485334 Number of IPv4 prefixes with a valid ROA: 554424 Number of IPv4 prefixes with an invalid ROA: 146 Number of IPv4 prefixes with no ROA: 434237 Total ASes present in the Internet Routing Table: 76935 Prefixes per ASN: 12.85 Origin-only ASes present in the Internet Routing Table: 65912 Origin ASes announcing only one prefix: 26895 Transit ASes present in the Internet Routing Table: 11023 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 1099 Number of instances of unregistered ASNs: 1135 Number of 32-bit ASNs allocated by the RIRs: 46774 Number of 32-bit ASNs visible in the Routing Table: 38476 Prefixes from 32-bit ASNs in the Routing Table: 204671 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 454 Number of addresses announced to Internet: 3105846528 Equivalent to 185 /8s, 31 /16s and 117 /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: 323279 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260263 Total APNIC prefixes after maximum aggregation: 77465 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 251118 Unique aggregates announced from the APNIC address blocks: 104514 APNIC Region origin ASes present in the Internet Routing Table: 14663 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4471 APNIC Region transit ASes present in the Internet Routing Table: 1963 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: 10196 Number of APNIC addresses announced to Internet: 748764160 Equivalent to 44 /8s, 161 /16s and 60 /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: 291633 Total ARIN prefixes after maximum aggregation: 131850 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 293128 Unique aggregates announced from the ARIN address blocks: 140438 ARIN Region origin ASes present in the Internet Routing Table: 19233 ARIN Prefixes per ASN: 15.24 ARIN Region origin ASes announcing only one prefix: 7032 ARIN Region transit ASes present in the Internet Routing Table: 1988 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: 5240 Number of ARIN addresses announced to Internet: 1349140224 Equivalent to 80 /8s, 106 /16s and 63 /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: 276215 Total RIPE prefixes after maximum aggregation: 135754 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 275139 Unique aggregates announced from the RIPE address blocks: 176981 RIPE Region origin ASes present in the Internet Routing Table: 28916 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3986 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12520 Number of RIPE addresses announced to Internet: 731331584 Equivalent to 43 /8s, 151 /16s and 60 /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: 124211 Total LACNIC prefixes after maximum aggregation: 29711 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 120616 Unique aggregates announced from the LACNIC address blocks: 49072 LACNIC Region origin ASes present in the Internet Routing Table: 11280 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2520 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9234 Number of LACNIC addresses announced to Internet: 171192576 Equivalent to 10 /8s, 52 /16s and 49 /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: 35415 Total AfriNIC prefixes after maximum aggregation: 6674 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 48380 Unique aggregates announced from the AfriNIC address blocks: 13925 AfriNIC Region origin ASes present in the Internet Routing Table: 1922 AfriNIC Prefixes per ASN: 25.17 AfriNIC Region origin ASes announcing only one prefix: 694 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: 1286 Number of AfriNIC addresses announced to Internet: 105165568 Equivalent to 6 /8s, 68 /16s and 179 /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 11563 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4419 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4353 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3277 1868 100 VNPT-AS-VN VNPT Corp, VN 24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2425 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2179 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 13588 40951 5237 AMAZON-02, US 11492 4781 317 604 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3637 1320 82 SHAW, CA 22773 3600 3036 207 ASN-CXA-ALL-CCI-22773-RDC, US 174 3467 8767 861 COGENT-174, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US 16625 3115 1308 2251 AKAMAI-AS, US 4155 2835 215 1724 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 7655 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4076 3395 127 AKAMAI-ASN1, NL 9009 3775 351 2105 M247, RO 12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2403 361 583 TELLCOM-AS, TR 212238 2353 168 1721 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1589 1852 14 TE-AS TE-AS, EG 8551 1425 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 12273 3259 573 UNINET, MX 10620 3509 481 1020 Telmex Colombia S.A., CO 13999 2538 538 356 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 24835 1823 660 28 RAYA-AS, EG 24863 1621 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 1092 1100 18 MOBINIL, EG 36935 1063 520 44 Vodafone-, EG 36914 575 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 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 13588 40951 5237 AMAZON-02, US 8151 12273 3259 573 UNINET, MX 9808 11563 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7655 1713 148 UNI2-AS, ES 7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 18403 4419 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4353 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4076 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 12273 11700 UNINET, MX 9808 11563 11449 CHINAMOBILE-CN China Mobile Communications Grou 12479 7655 7507 UNI2-AS, ES 7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4419 4394 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 9498 4353 4041 BBIL-AP BHARTI Airtel Ltd., IN 20940 4076 3949 AKAMAI-ASN1, NL 7552 3924 3897 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 /12:298 /13:585 /14:1210 /15:2154 /16:13788 /17:8235 /18:13513 /19:24546 /20:44025 /21:51882 /22:112207 /23:102994 /24:613235 /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 6578 7655 UNI2-AS, ES 8151 6480 12273 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3637 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2732 3600 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2346 13588 AMAZON-02, US 30036 2267 2609 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2196 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) ---------------------------------------------- 1:2372 2:1539 3:826 4:10 5:4764 6:162 7:6 8:1572 9:1 11:172 12:1345 13:450 14:2543 15:364 16:285 17:383 18:894 20:555 21:4 22:188 23:7741 24:2729 25:2 27:2789 29:19 31:3311 32:35 33:1 34:80 35:258 36:3272 37:4564 38:9380 39:907 40:232 41:4293 42:1929 43:2657 44:375 45:18624 46:5138 47:326 49:1817 50:1894 51:592 52:1554 54:321 55:1101 56:11 57:272 58:2187 59:1188 60:1173 61:2788 62:2923 63:1798 64:5531 65:2063 66:4720 67:3092 68:1122 69:3959 70:1114 71:626 72:2873 74:2792 75:1515 76:607 77:2778 78:1907 79:1732 80:2200 81:2076 82:3185 83:1448 84:1877 85:3468 86:1084 87:2140 88:1345 89:4401 90:776 91:8400 92:2750 93:2942 94:4027 95:4403 96:1488 97:311 98:1000 99:692 100:72 101:1406 102:3889 103:32256 104:5225 105:824 106:977 107:2662 108:1261 109:4144 110:2234 111:3225 112:2184 113:1838 114:1961 115:2200 116:2060 117:2592 118:2986 119:1907 120:2100 121:1327 122:2794 123:2222 124:1614 125:2872 126:91 128:1616 129:959 130:1300 131:2049 132:779 133:450 134:1570 135:349 136:1384 137:1313 138:2811 139:1593 140:1629 141:1508 142:1898 143:1957 144:1160 145:557 146:2177 147:2104 148:2708 149:2936 150:1260 151:2187 152:2087 153:590 154:7706 155:1773 156:3165 157:1928 158:1342 159:2506 160:3613 161:1859 162:3875 163:2233 164:1860 165:2050 166:1509 167:2001 168:3966 169:781 170:5115 171:1008 172:4453 173:3361 174:928 175:1325 176:3702 177:4706 178:3907 179:2312 180:2598 181:4096 182:3490 183:2104 184:2128 185:21636 186:5185 187:4591 188:4268 189:4334 190:9573 191:1458 192:11319 193:9491 194:7771 195:5562 196:3314 197:3250 198:6202 199:8535 200:8207 201:6387 202:10350 203:10666 204:4599 205:3658 206:4480 207:3632 208:4277 209:5154 210:4618 211:2549 212:4587 213:3815 214:1012 215:46 216:6784 217:3203 218:1362 219:392 220:2140 221:1153 222:714 223:2547 End of report