IPv4 R&E Routing Table Report 18:40 GMT Fri 21 Nov, 2025 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 1024553 Prefixes after maximum aggregation (per Origin AS): 393361 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 502346 Number of IPv4 prefixes with a valid ROA: 595852 Number of IPv4 prefixes with an invalid ROA: 2055 Number of IPv4 prefixes with no ROA: 426646 Total ASes present in the Internet Routing Table: 77623 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66500 Origin ASes announcing only one prefix: 27032 Transit ASes present in the Internet Routing Table: 11123 Transit-only ASes present in the Internet Routing Table: 578 Paths with bogon ASNs present in the IPv4 Routing Table: 190 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 56 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1134 Number of 32-bit ASNs allocated by the RIRs: 48018 Number of 32-bit ASNs visible in the Routing Table: 39377 Prefixes from 32-bit ASNs in the Routing Table: 218541 Number of bogon 32-bit ASNs visible in the Routing Table: 164 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3100006400 Equivalent to 184 /8s, 198 /16s and 88 /24s Percentage of available address space announced: 83.7 Percentage of allocated address space announced: 83.7 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: 336016 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 275606 Total APNIC prefixes after maximum aggregation: 80882 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 263437 Unique aggregates announced from the APNIC address blocks: 106031 APNIC Region origin ASes present in the Internet Routing Table: 14881 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 4510 APNIC Region transit ASes present in the Internet Routing Table: 2006 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10456 Number of APNIC addresses announced to Internet: 752306688 Equivalent to 44 /8s, 215 /16s and 74 /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: 300661 Total ARIN prefixes after maximum aggregation: 134118 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 300860 Unique aggregates announced from the ARIN address blocks: 145458 ARIN Region origin ASes present in the Internet Routing Table: 19360 ARIN Prefixes per ASN: 15.54 ARIN Region origin ASes announcing only one prefix: 7094 ARIN Region transit ASes present in the Internet Routing Table: 1971 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5410 Number of ARIN addresses announced to Internet: 1337602816 Equivalent to 79 /8s, 186 /16s and 51 /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: 284029 Total RIPE prefixes after maximum aggregation: 140138 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 284395 Unique aggregates announced from the RIPE address blocks: 183409 RIPE Region origin ASes present in the Internet Routing Table: 29150 RIPE Prefixes per ASN: 9.76 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12851 Number of RIPE addresses announced to Internet: 735658496 Equivalent to 43 /8s, 217 /16s and 66 /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: 125347 Total LACNIC prefixes after maximum aggregation: 30454 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121347 Unique aggregates announced from the LACNIC address blocks: 49581 LACNIC Region origin ASes present in the Internet Routing Table: 11299 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2564 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9302 Number of LACNIC addresses announced to Internet: 170789120 Equivalent to 10 /8s, 46 /16s and 9 /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: 37838 Total AfriNIC prefixes after maximum aggregation: 7055 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 54018 Unique aggregates announced from the AfriNIC address blocks: 17468 AfriNIC Region origin ASes present in the Internet Routing Table: 1996 AfriNIC Prefixes per ASN: 27.06 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 56 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1358 Number of AfriNIC addresses announced to Internet: 103400960 Equivalent to 6 /8s, 41 /16s and 198 /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 13388 8727 113 CHINAMOBILE-CN China Mobile Communication 7545 6067 832 594 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4563 541 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4346 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3733 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3330 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3244 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2947 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2493 274 1922 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14136 37183 5379 AMAZON-02, US 11492 4789 317 804 CABLEONE, US 22773 4727 3112 369 ASN-CXA-ALL-CCI-22773-RDC, US 174 4388 8765 822 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3690 1320 83 SHAW, CA 396982 3300 4860 478 GOOGLE-CLOUD-PLATFORM, US 749 3217 54766 2468 DNIC-AS-00749, US 16625 3003 1288 2186 AKAMAI-AS, US 36352 2854 231 912 AS-COLOCROSSING, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7294 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4073 384 2310 M247, RO 20940 3998 3395 127 AKAMAI-ASN1, NL 12389 3162 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2509 179 1812 CDNEXT, GB 34984 2419 363 577 TELLCOM-AS, TR 8452 1704 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1485 169 856 HOSTROYALE, IN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12551 3305 577 UNINET, MX 10620 3457 463 1100 Telmex Colombia S.A., CO 13999 2505 511 346 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 28573 1372 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1350 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1319 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1264 371 22 Telefonica del Peru S.A.A., PE 22884 1061 70 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1016 2486 56 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1985 630 32 RAYA-AS, EG 36992 1680 1509 397 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1265 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 36935 1106 523 36 Vodafone-, EG 37069 1086 1112 11 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36914 572 82 3 KENET-AS, KE 3741 561 725 325 NTT-DATA-Inc, ZA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14136 37183 5379 AMAZON-02, US 9808 13388 8727 113 CHINAMOBILE-CN China Mobile Communication 8151 12551 3305 577 UNINET, MX 12479 7294 1711 149 UNI2-AS, ES 7545 6067 832 594 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4789 317 804 CABLEONE, US 22773 4727 3112 369 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4563 541 336 BBIL-AP BHARTI Airtel Ltd., IN 174 4388 8765 822 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13388 13275 CHINAMOBILE-CN China Mobile Communications Grou 8151 12551 11974 UNINET, MX 12479 7294 7145 UNI2-AS, ES 7545 6067 5473 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4727 4358 ASN-CXA-ALL-CCI-22773-RDC, US 18403 4346 4322 FPT-AS-AP FPT Telecom Company, VN 9498 4563 4227 BBIL-AP BHARTI Airtel Ltd., IN 11492 4789 3985 CABLEONE, US 7552 3983 3955 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 6461 ZAYO-6461, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, US 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 23.137.224.0/24 Origin: 29802 HVC-AS, US 23.137.224.0/24 Transit: 6939 HURRICANE, US 23.137.225.0/24 Origin: 29802 HVC-AS, US 23.137.225.0/24 Transit: 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:41 /11:94 /12:298 /13:582 /14:1200 /15:2105 /16:13724 /17:8259 /18:13663 /19:24932 /20:45051 /21:52448 /22:113667 /23:106039 /24:642420 /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 8151 6750 12551 UNINET, MX 12479 6236 7294 UNI2-AS, ES 11492 3602 4789 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3690 SHAW, CA 22773 3023 4727 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2421 14136 AMAZON-02, US 30036 2320 2665 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3457 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2452 2:1577 3:961 4:10 5:5013 6:189 7:6 8:1532 9:6 11:172 12:1229 13:547 14:2606 15:412 16:303 17:391 18:905 20:606 21:4 22:188 23:8165 24:2619 25:2 27:2768 29:19 31:3408 32:33 33:1 34:88 35:289 36:4551 37:4590 38:10441 39:1180 40:463 41:4572 42:1929 43:2873 44:403 45:19458 46:5140 47:377 49:2204 50:2055 51:594 52:1566 54:288 55:1113 56:11 57:299 58:2294 59:1392 60:1190 61:3334 62:3104 63:1753 64:5961 65:2115 66:5953 67:3251 68:1497 69:4256 70:1035 71:635 72:3012 74:2950 75:1528 76:602 77:2790 78:1914 79:1782 80:2309 81:2125 82:3791 83:1471 84:2024 85:3587 86:1113 87:2412 88:1340 89:4623 90:838 91:8434 92:2846 93:3003 94:4243 95:4584 96:1503 97:313 98:952 99:769 100:68 101:1196 102:4675 103:32499 104:5506 105:1149 106:919 107:2799 108:1198 109:4245 110:2276 111:3864 112:2759 113:1918 114:2100 115:2259 116:2146 117:3104 118:3065 119:2032 120:2353 121:1522 122:2970 123:2736 124:1683 125:2933 126:125 128:1578 129:1002 130:1518 131:2246 132:779 133:462 134:1640 135:389 136:1497 137:1143 138:2846 139:1604 140:1742 141:1560 142:2281 143:2131 144:1319 145:634 146:2177 147:2153 148:2795 149:2916 150:1299 151:2686 152:2283 153:606 154:9315 155:2259 156:4097 157:2222 158:1460 159:2668 160:3795 161:1989 162:4006 163:2336 164:1966 165:2620 166:1309 167:2149 168:3888 169:794 170:5432 171:1109 172:4507 173:3426 174:912 175:1367 176:3756 177:4708 178:4351 179:2286 180:2873 181:4343 182:3814 183:2529 184:2096 185:21811 186:5448 187:4725 188:4425 189:4445 190:9712 191:1548 192:11454 193:9535 194:7896 195:5645 196:3555 197:3857 198:6097 199:6102 200:8081 201:6375 202:10459 203:10681 204:4602 205:3667 206:4418 207:3743 208:4296 209:5405 210:4747 211:2676 212:4935 213:4049 214:1041 215:52 216:7148 217:3370 218:1597 219:420 220:2197 221:1270 222:765 223:3168 End of report