IPv4 R&E Routing Table Report 21:10 GMT Wed 02 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: 988368 Prefixes after maximum aggregation (per Origin AS): 382136 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 484900 Number of IPv4 prefixes with a valid ROA: 554184 Number of IPv4 prefixes with an invalid ROA: 156 Number of IPv4 prefixes with no ROA: 434028 Total ASes present in the Internet Routing Table: 76921 Prefixes per ASN: 12.85 Origin-only ASes present in the Internet Routing Table: 65900 Origin ASes announcing only one prefix: 26885 Transit ASes present in the Internet Routing Table: 11021 Transit-only ASes present in the Internet Routing Table: 560 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1094 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 46726 Number of 32-bit ASNs visible in the Routing Table: 38452 Prefixes from 32-bit ASNs in the Routing Table: 204536 Number of bogon 32-bit ASNs visible in the Routing Table: 100 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 468 Number of addresses announced to Internet: 3105755648 Equivalent to 185 /8s, 30 /16s and 18 /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: 323014 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260349 Total APNIC prefixes after maximum aggregation: 77687 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 251155 Unique aggregates announced from the APNIC address blocks: 104484 APNIC Region origin ASes present in the Internet Routing Table: 14654 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4458 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: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10185 Number of APNIC addresses announced to Internet: 748840704 Equivalent to 44 /8s, 162 /16s and 103 /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: 291430 Total ARIN prefixes after maximum aggregation: 131735 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 292822 Unique aggregates announced from the ARIN address blocks: 140285 ARIN Region origin ASes present in the Internet Routing Table: 19236 ARIN Prefixes per ASN: 15.22 ARIN Region origin ASes announcing only one prefix: 7040 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: 5239 Number of ARIN addresses announced to Internet: 1349031680 Equivalent to 80 /8s, 104 /16s and 151 /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: 276250 Total RIPE prefixes after maximum aggregation: 135645 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 275125 Unique aggregates announced from the RIPE address blocks: 176835 RIPE Region origin ASes present in the Internet Routing Table: 28908 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12021 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: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12511 Number of RIPE addresses announced to Internet: 731242240 Equivalent to 43 /8s, 149 /16s and 223 /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: 124064 Total LACNIC prefixes after maximum aggregation: 29676 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 120484 Unique aggregates announced from the LACNIC address blocks: 49013 LACNIC Region origin ASes present in the Internet Routing Table: 11276 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2672 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: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9231 Number of LACNIC addresses announced to Internet: 171173376 Equivalent to 10 /8s, 51 /16s and 230 /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: 35181 Total AfriNIC prefixes after maximum aggregation: 6667 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 48313 Unique aggregates announced from the AfriNIC address blocks: 13865 AfriNIC Region origin ASes present in the Internet Routing Table: 1923 AfriNIC Prefixes per ASN: 25.12 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: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286 Number of AfriNIC addresses announced to Internet: 105211136 Equivalent to 6 /8s, 69 /16s and 101 /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 11415 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3897 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3278 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2897 861 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2420 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2180 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 13598 40949 5228 AMAZON-02, US 11492 4781 317 604 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3636 1320 82 SHAW, CA 22773 3601 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US 174 3470 8768 860 COGENT-174, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3191 3854 429 GOOGLE-CLOUD-PLATFORM, US 16625 3113 1308 2251 AKAMAI-AS, US 4155 2845 216 1732 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 7658 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4068 3395 127 AKAMAI-ASN1, NL 9009 3773 351 2104 M247, RO 12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 582 TELLCOM-AS, TR 212238 2340 169 1708 CDNEXT, GB 8452 1636 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1420 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 12236 3256 577 UNINET, MX 10620 3508 481 1019 Telmex Colombia S.A., CO 13999 2530 537 360 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 1186 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1055 2487 55 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 1784 604 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 1108 1100 18 MOBINIL, EG 36935 941 520 44 Vodafone-, EG 36914 572 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 13598 40949 5228 AMAZON-02, US 8151 12236 3256 577 UNINET, MX 9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7658 1713 148 UNI2-AS, ES 7545 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4068 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 12236 11659 UNINET, MX 9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou 12479 7658 7510 UNI2-AS, ES 7545 6146 5523 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4406 4381 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 9498 4350 4038 BBIL-AP BHARTI Airtel Ltd., IN 20940 4068 3941 AKAMAI-ASN1, NL 7552 3897 3871 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 /15:2157 /16:13819 /17:8246 /18:13508 /19:24553 /20:43993 /21:51849 /22:112153 /23:102967 /24:612866 /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 6581 7658 UNI2-AS, ES 8151 6445 12236 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3431 3636 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2731 3601 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2350 13598 AMAZON-02, US 30036 2268 2610 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) ---------------------------------------------- 1:2383 2:1535 3:825 4:10 5:4758 6:162 7:6 8:1574 9:1 11:172 12:1345 13:447 14:2540 15:364 16:285 17:380 18:893 20:554 21:4 22:188 23:7693 24:2730 25:2 27:2786 29:19 31:3299 32:35 33:1 34:80 35:259 36:3228 37:4586 38:9325 39:906 40:209 41:4285 42:1930 43:2647 44:378 45:18636 46:5148 47:326 49:1862 50:1894 51:592 52:1554 54:320 55:1098 56:11 57:268 58:2208 59:1187 60:1173 61:2788 62:2918 63:1799 64:5517 65:2062 66:4718 67:3090 68:1122 69:3952 70:1114 71:628 72:2874 74:2791 75:1516 76:608 77:2777 78:1906 79:1735 80:2203 81:2076 82:3181 83:1458 84:1880 85:3463 86:1083 87:2140 88:1345 89:4418 90:778 91:8394 92:2751 93:2946 94:4051 95:4407 96:1483 97:311 98:999 99:691 100:72 101:1407 102:3864 103:32267 104:5205 105:762 106:974 107:2664 108:1258 109:4132 110:2236 111:3218 112:2182 113:1841 114:1984 115:2205 116:2057 117:2590 118:2932 119:1905 120:2102 121:1381 122:2793 123:2226 124:1613 125:2868 126:91 128:1608 129:959 130:1300 131:2051 132:783 133:451 134:1554 135:348 136:1388 137:1309 138:2806 139:1595 140:1628 141:1512 142:1916 143:1946 144:1164 145:556 146:2180 147:2107 148:2709 149:2907 150:1264 151:2159 152:2089 153:590 154:7751 155:1764 156:3172 157:1930 158:1335 159:2506 160:3614 161:1859 162:3884 163:2235 164:1863 165:2036 166:1513 167:1998 168:3964 169:787 170:5120 171:1008 172:4463 173:3361 174:927 175:1321 176:3710 177:4704 178:3901 179:2305 180:2638 181:4097 182:3485 183:2096 184:2127 185:21620 186:5172 187:4578 188:4262 189:4300 190:9519 191:1467 192:11328 193:9484 194:7769 195:5554 196:3317 197:3249 198:6196 199:8544 200:8208 201:6364 202:10345 203:10659 204:4599 205:3618 206:4478 207:3630 208:4282 209:5149 210:4616 211:2552 212:4584 213:3784 214:1012 215:46 216:6785 217:3204 218:1363 219:392 220:2139 221:1164 222:726 223:2552 End of report