IPv4 R&E Routing Table Report 18:40 GMT Wed 05 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: 1020335 Prefixes after maximum aggregation (per Origin AS): 392416 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 499799 Number of IPv4 prefixes with a valid ROA: 590137 Number of IPv4 prefixes with an invalid ROA: 2029 Number of IPv4 prefixes with no ROA: 428169 Total ASes present in the Internet Routing Table: 77580 Prefixes per ASN: 13.15 Origin-only ASes present in the Internet Routing Table: 66479 Origin ASes announcing only one prefix: 27047 Transit ASes present in the Internet Routing Table: 11101 Transit-only ASes present in the Internet Routing Table: 574 Paths with bogon ASNs present in the IPv4 Routing Table: 163 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: 1012 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 47899 Number of 32-bit ASNs visible in the Routing Table: 39292 Prefixes from 32-bit ASNs in the Routing Table: 216300 Number of bogon 32-bit ASNs visible in the Routing Table: 148 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 421 Number of addresses announced to Internet: 3104428288 Equivalent to 185 /8s, 9 /16s and 209 /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: 335365 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273017 Total APNIC prefixes after maximum aggregation: 80608 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 262663 Unique aggregates announced from the APNIC address blocks: 105954 APNIC Region origin ASes present in the Internet Routing Table: 14852 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 4517 APNIC Region transit ASes present in the Internet Routing Table: 2000 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10417 Number of APNIC addresses announced to Internet: 748796928 Equivalent to 44 /8s, 161 /16s and 188 /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: 300054 Total ARIN prefixes after maximum aggregation: 133747 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 300259 Unique aggregates announced from the ARIN address blocks: 145186 ARIN Region origin ASes present in the Internet Routing Table: 19368 ARIN Prefixes per ASN: 15.50 ARIN Region origin ASes announcing only one prefix: 7099 ARIN Region transit ASes present in the Internet Routing Table: 1974 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: 5404 Number of ARIN addresses announced to Internet: 1345111808 Equivalent to 80 /8s, 44 /16s and 199 /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: 282964 Total RIPE prefixes after maximum aggregation: 139773 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 283371 Unique aggregates announced from the RIPE address blocks: 182398 RIPE Region origin ASes present in the Internet Routing Table: 29132 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12084 RIPE Region transit ASes present in the Internet Routing Table: 4010 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: 12816 Number of RIPE addresses announced to Internet: 735524096 Equivalent to 43 /8s, 215 /16s and 53 /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: 125581 Total LACNIC prefixes after maximum aggregation: 30476 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121646 Unique aggregates announced from the LACNIC address blocks: 49515 LACNIC Region origin ASes present in the Internet Routing Table: 11310 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2567 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: 9300 Number of LACNIC addresses announced to Internet: 170715648 Equivalent to 10 /8s, 44 /16s and 234 /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: 37707 Total AfriNIC prefixes after maximum aggregation: 7121 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 51975 Unique aggregates announced from the AfriNIC address blocks: 16376 AfriNIC Region origin ASes present in the Internet Routing Table: 1995 AfriNIC Prefixes per ASN: 26.05 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 382 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: 1355 Number of AfriNIC addresses announced to Internet: 104055808 Equivalent to 6 /8s, 51 /16s and 196 /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 13393 8730 117 CHINAMOBILE-CN China Mobile Communication 7545 6098 833 588 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4514 538 319 BBIL-AP BHARTI Airtel Ltd., IN 18403 4401 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3981 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3748 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3323 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3244 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2939 864 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2489 273 1919 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 14226 37242 5390 AMAZON-02, US 11492 4777 317 799 CABLEONE, US 22773 4634 3091 403 ASN-CXA-ALL-CCI-22773-RDC, US 174 4461 8763 835 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3672 1320 82 SHAW, CA 396982 3284 4827 472 GOOGLE-CLOUD-PLATFORM, US 749 3217 54766 2468 DNIC-AS-00749, US 16625 3019 1293 2194 AKAMAI-AS, US 36352 2856 232 915 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 7292 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4054 380 2293 M247, RO 20940 4024 3395 128 AKAMAI-ASN1, NL 12389 3164 2317 869 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2530 179 1822 CDNEXT, GB 34984 2417 363 576 TELLCOM-AS, TR 8452 1661 1852 14 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1578 183 904 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 12503 3298 576 UNINET, MX 10620 3456 463 1099 Telmex Colombia S.A., CO 13999 2504 511 350 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1376 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1285 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1275 371 23 Telefonica del Peru S.A.A., PE 22884 1062 70 366 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1026 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 1854 630 32 RAYA-AS, EG 36992 1679 1509 397 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1263 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1165 100 70 ORANGE-COTE-IVOIRE, CI 36935 1119 523 47 Vodafone-, EG 37069 1084 1096 13 MOBINIL, EG 3741 567 725 321 NTT-DATA-Inc, ZA 36914 566 82 3 KENET-AS, KE 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 14226 37242 5390 AMAZON-02, US 9808 13393 8730 117 CHINAMOBILE-CN China Mobile Communication 8151 12503 3298 576 UNINET, MX 12479 7292 1711 149 UNI2-AS, ES 7545 6098 833 588 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4777 317 799 CABLEONE, US 22773 4634 3091 403 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4514 538 319 BBIL-AP BHARTI Airtel Ltd., IN 174 4461 8763 835 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 13393 13276 CHINAMOBILE-CN China Mobile Communications Grou 8151 12503 11927 UNINET, MX 12479 7292 7143 UNI2-AS, ES 7545 6098 5510 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4401 4377 FPT-AS-AP FPT Telecom Company, VN 22773 4634 4231 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4514 4195 BBIL-AP BHARTI Airtel Ltd., IN 11492 4777 3978 CABLEONE, US 7552 3981 3953 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 53775 UNALLOCATED 8.20.88.0/24 3737 AS-PTD, 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 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 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 23.140.216.0/24 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/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 /8:18 /9:14 /10:41 /11:94 /12:299 /13:581 /14:1199 /15:2106 /16:13727 /17:8241 /18:13660 /19:24894 /20:44940 /21:52485 /22:113366 /23:105979 /24:638691 /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 6708 12503 UNINET, MX 12479 6236 7292 UNI2-AS, ES 11492 3590 4777 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3460 3672 SHAW, CA 22773 2985 4634 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2436 14226 AMAZON-02, US 30036 2309 2652 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2211 3456 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) ---------------------------------------------- 1:2455 2:1569 3:968 4:10 5:4931 6:174 7:6 8:1533 9:6 11:172 12:1241 13:517 14:2649 15:405 16:298 17:390 18:911 20:602 21:4 22:188 23:8126 24:2616 25:2 27:2784 29:19 31:3376 32:33 33:1 34:88 35:279 36:4513 37:4584 38:10465 39:1180 40:473 41:4555 42:1930 43:2834 44:404 45:19375 46:5238 47:370 49:2196 50:2060 51:598 52:1628 54:354 55:1094 56:11 57:299 58:2291 59:1336 60:1192 61:3119 62:3110 63:1774 64:5907 65:2131 66:5935 67:3247 68:1491 69:4221 70:1042 71:638 72:3011 74:2912 75:1520 76:605 77:2795 78:1929 79:1783 80:2296 81:2137 82:3587 83:1467 84:2008 85:3596 86:1110 87:2406 88:1370 89:4517 90:833 91:8425 92:2830 93:3001 94:4173 95:4574 96:1506 97:316 98:947 99:763 100:68 101:1342 102:4594 103:32471 104:5477 105:1144 106:913 107:2792 108:1200 109:4230 110:2252 111:3872 112:2768 113:1917 114:2092 115:2264 116:2151 117:3097 118:3084 119:2035 120:2354 121:1516 122:2880 123:2357 124:1701 125:2919 126:124 128:1578 129:1003 130:1492 131:2226 132:779 133:460 134:1629 135:369 136:1499 137:1139 138:2849 139:1595 140:1674 141:1583 142:2216 143:2137 144:1329 145:631 146:2186 147:2122 148:2775 149:2883 150:1285 151:2657 152:2272 153:585 154:8456 155:2228 156:3193 157:2072 158:1409 159:2661 160:3773 161:2003 162:3997 163:2326 164:1965 165:2571 166:1324 167:2124 168:3840 169:790 170:5469 171:1065 172:4509 173:3435 174:906 175:1368 176:3765 177:4758 178:4331 179:2313 180:2805 181:4319 182:3791 183:2608 184:2114 185:21785 186:5403 187:4720 188:4417 189:4475 190:9757 191:1569 192:11449 193:9518 194:7887 195:5635 196:3552 197:3914 198:6074 199:6105 200:8109 201:6373 202:10547 203:10718 204:4616 205:3661 206:4390 207:3719 208:4318 209:5337 210:4726 211:2677 212:4939 213:4010 214:1039 215:53 216:7173 217:3400 218:1597 219:419 220:2202 221:1267 222:766 223:3155 End of report