IPv4 R&E Routing Table Report 18:40 GMT Fri 05 Dec, 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: 1027924 Prefixes after maximum aggregation (per Origin AS): 393955 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 503725 Number of IPv4 prefixes with a valid ROA: 603768 Number of IPv4 prefixes with an invalid ROA: 1966 Number of IPv4 prefixes with no ROA: 422190 Total ASes present in the Internet Routing Table: 77665 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66559 Origin ASes announcing only one prefix: 27066 Transit ASes present in the Internet Routing Table: 11106 Transit-only ASes present in the Internet Routing Table: 567 Paths with bogon ASNs present in the IPv4 Routing Table: 195 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 158 Max AS path prepend of ASN (207138) 150 Prefixes from unregistered ASNs in the Routing Table: 1011 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 48152 Number of 32-bit ASNs visible in the Routing Table: 39450 Prefixes from 32-bit ASNs in the Routing Table: 219126 Number of bogon 32-bit ASNs visible in the Routing Table: 165 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 442 Number of addresses announced to Internet: 3100968704 Equivalent to 184 /8s, 213 /16s and 7 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 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: 337137 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 276889 Total APNIC prefixes after maximum aggregation: 80810 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 264269 Unique aggregates announced from the APNIC address blocks: 105943 APNIC Region origin ASes present in the Internet Routing Table: 14899 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 4517 APNIC Region transit ASes present in the Internet Routing Table: 1999 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10472 Number of APNIC addresses announced to Internet: 753041152 Equivalent to 44 /8s, 226 /16s and 127 /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: 301644 Total ARIN prefixes after maximum aggregation: 134718 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 301266 Unique aggregates announced from the ARIN address blocks: 145676 ARIN Region origin ASes present in the Internet Routing Table: 19382 ARIN Prefixes per ASN: 15.54 ARIN Region origin ASes announcing only one prefix: 7103 ARIN Region transit ASes present in the Internet Routing Table: 1969 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: 5427 Number of ARIN addresses announced to Internet: 1337611008 Equivalent to 79 /8s, 186 /16s and 83 /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: 284026 Total RIPE prefixes after maximum aggregation: 140104 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 285005 Unique aggregates announced from the RIPE address blocks: 184113 RIPE Region origin ASes present in the Internet Routing Table: 29151 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 4008 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 158 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12880 Number of RIPE addresses announced to Internet: 735935488 Equivalent to 43 /8s, 221 /16s and 124 /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: 126464 Total LACNIC prefixes after maximum aggregation: 30546 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 122415 Unique aggregates announced from the LACNIC address blocks: 49701 LACNIC Region origin ASes present in the Internet Routing Table: 11323 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2570 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9311 Number of LACNIC addresses announced to Internet: 170719744 Equivalent to 10 /8s, 44 /16s and 250 /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: 37890 Total AfriNIC prefixes after maximum aggregation: 7089 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54527 Unique aggregates announced from the AfriNIC address blocks: 17910 AfriNIC Region origin ASes present in the Internet Routing Table: 2002 AfriNIC Prefixes per ASN: 27.24 AfriNIC Region origin ASes announcing only one prefix: 704 AfriNIC Region transit ASes present in the Internet Routing Table: 386 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: 1360 Number of AfriNIC addresses announced to Internet: 103495936 Equivalent to 6 /8s, 43 /16s and 57 /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 13289 8729 120 CHINAMOBILE-CN China Mobile Communication 7545 6047 835 592 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4605 541 338 BBIL-AP BHARTI Airtel Ltd., IN 18403 4409 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4013 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3738 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3337 827 181 CMNET-JIANGSU-AP China Mobile communicati 45899 3330 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2951 864 505 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2515 275 1936 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 14284 37209 5405 AMAZON-02, US 22773 4776 3099 370 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 174 4470 8768 850 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3691 1320 83 SHAW, CA 396982 3312 4861 486 GOOGLE-CLOUD-PLATFORM, US 749 3208 54760 2459 DNIC-AS-00749, US 16625 3001 1289 2188 AKAMAI-AS, US 36352 2824 231 908 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 7282 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4058 379 2300 M247, RO 20940 3984 3395 127 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2534 181 1834 CDNEXT, GB 34984 2424 363 576 TELLCOM-AS, TR 8452 1668 1852 14 TE-AS TE-AS, EG 203020 1613 241 784 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA 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 12651 3291 583 UNINET, MX 10620 3458 463 1101 Telmex Colombia S.A., CO 13999 2508 509 352 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 28573 1373 2431 267 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 777 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1341 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1264 371 22 Telefonica del Peru S.A.A., PE 22884 1058 70 360 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 1951 506 27 RAYA-AS, EG 36992 1681 1509 399 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1262 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 37069 1093 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1038 519 32 Vodafone-, EG 3741 561 725 325 NTT-DATA-Inc, ZA 15399 558 57 54 WANANCHI-, 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 14284 37209 5405 AMAZON-02, US 9808 13289 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 12651 3291 583 UNINET, MX 12479 7282 1711 149 UNI2-AS, ES 7545 6047 835 592 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4776 3099 370 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 9498 4605 541 338 BBIL-AP BHARTI Airtel Ltd., IN 174 4470 8768 850 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 13289 13169 CHINAMOBILE-CN China Mobile Communications Grou 8151 12651 12068 UNINET, MX 12479 7282 7133 UNI2-AS, ES 7545 6047 5455 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4776 4406 ASN-CXA-ALL-CCI-22773-RDC, US 18403 4409 4385 FPT-AS-AP FPT Telecom Company, VN 9498 4605 4267 BBIL-AP BHARTI Airtel Ltd., IN 7552 4013 3985 VIETEL-AS-AP Viettel Group, VN 20940 3984 3857 AKAMAI-ASN1, NL 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: 174 COGENT-174, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 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 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 /12:299 /13:582 /14:1203 /15:2105 /16:13726 /17:8268 /18:13579 /19:24951 /20:45191 /21:52475 /22:113629 /23:106340 /24:645411 /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 6852 12651 UNINET, MX 12479 6212 7282 UNI2-AS, ES 11492 3559 4715 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3691 SHAW, CA 22773 3053 4776 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2434 14284 AMAZON-02, US 30036 2318 2661 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2213 3458 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) ---------------------------------------------- 1:2454 2:1576 3:976 4:10 5:4965 6:190 7:6 8:1523 9:6 11:172 12:1229 13:572 14:2607 15:415 16:303 17:391 18:912 20:608 21:4 22:188 23:8155 24:2616 25:2 27:2782 29:19 31:3403 32:33 33:1 34:88 35:289 36:4611 37:4572 38:10498 39:1199 40:450 41:4592 42:1948 43:2895 44:399 45:19633 46:5099 47:389 49:2206 50:2057 51:598 52:1568 54:290 55:1105 56:11 57:312 58:2292 59:1338 60:1171 61:3307 62:3126 63:1758 64:5973 65:2127 66:5968 67:3249 68:1502 69:4291 70:1032 71:631 72:3074 74:2957 75:1524 76:603 77:2797 78:1924 79:1783 80:2325 81:2108 82:3846 83:1463 84:2034 85:3654 86:1110 87:2334 88:1353 89:4598 90:839 91:8464 92:2855 93:3022 94:4247 95:4582 96:1489 97:314 98:951 99:775 100:68 101:1340 102:4689 103:32505 104:5535 105:1138 106:921 107:2809 108:1206 109:4273 110:2310 111:3927 112:2801 113:1953 114:2104 115:2284 116:2169 117:3138 118:3028 119:2090 120:2378 121:1519 122:2965 123:2556 124:1669 125:2930 126:125 128:1586 129:1001 130:1528 131:2265 132:766 133:462 134:1639 135:501 136:1506 137:1152 138:2911 139:1600 140:1729 141:1554 142:2346 143:2144 144:1359 145:627 146:2165 147:2148 148:2795 149:2947 150:1314 151:2634 152:2296 153:767 154:9519 155:2264 156:4272 157:2267 158:1482 159:2689 160:3771 161:1987 162:4013 163:2327 164:1972 165:2638 166:1310 167:2152 168:3898 169:803 170:5463 171:1114 172:4537 173:3429 174:912 175:1375 176:3786 177:4757 178:4321 179:2314 180:2892 181:4453 182:3839 183:2619 184:2096 185:21776 186:5729 187:4784 188:4465 189:4507 190:9794 191:1572 192:11437 193:9519 194:7893 195:5668 196:3605 197:3859 198:6078 199:6092 200:8100 201:6419 202:10504 203:10696 204:4619 205:3677 206:4396 207:3770 208:4307 209:5413 210:4741 211:2703 212:4937 213:4061 214:1029 215:53 216:7094 217:3421 218:1611 219:418 220:2199 221:1285 222:776 223:3244 End of report