IPv4 R&E Routing Table Report 18:40 GMT Thu 20 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: 1022428 Prefixes after maximum aggregation (per Origin AS): 392986 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 501693 Number of IPv4 prefixes with a valid ROA: 593808 Number of IPv4 prefixes with an invalid ROA: 1993 Number of IPv4 prefixes with no ROA: 426627 Total ASes present in the Internet Routing Table: 77629 Prefixes per ASN: 13.17 Origin-only ASes present in the Internet Routing Table: 66506 Origin ASes announcing only one prefix: 27025 Transit ASes present in the Internet Routing Table: 11123 Transit-only ASes present in the Internet Routing Table: 580 Paths with bogon ASNs present in the IPv4 Routing Table: 189 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: 1079 Number of instances of unregistered ASNs: 1141 Number of 32-bit ASNs allocated by the RIRs: 48001 Number of 32-bit ASNs visible in the Routing Table: 39383 Prefixes from 32-bit ASNs in the Routing Table: 217783 Number of bogon 32-bit ASNs visible in the Routing Table: 163 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3100444160 Equivalent to 184 /8s, 205 /16s and 6 /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: 335881 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273585 Total APNIC prefixes after maximum aggregation: 80455 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 262720 Unique aggregates announced from the APNIC address blocks: 105981 APNIC Region origin ASes present in the Internet Routing Table: 14890 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 4520 APNIC Region transit ASes present in the Internet Routing Table: 2004 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: 10461 Number of APNIC addresses announced to Internet: 752201216 Equivalent to 44 /8s, 213 /16s and 174 /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: 300598 Total ARIN prefixes after maximum aggregation: 134154 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 300693 Unique aggregates announced from the ARIN address blocks: 145450 ARIN Region origin ASes present in the Internet Routing Table: 19365 ARIN Prefixes per ASN: 15.53 ARIN Region origin ASes announcing only one prefix: 7095 ARIN Region transit ASes present in the Internet Routing Table: 1966 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: 5414 Number of ARIN addresses announced to Internet: 1338248448 Equivalent to 79 /8s, 196 /16s and 13 /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: 283923 Total RIPE prefixes after maximum aggregation: 140118 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 284108 Unique aggregates announced from the RIPE address blocks: 183143 RIPE Region origin ASes present in the Internet Routing Table: 29137 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 4012 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: 735596032 Equivalent to 43 /8s, 216 /16s and 78 /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: 125278 Total LACNIC prefixes after maximum aggregation: 30464 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 121303 Unique aggregates announced from the LACNIC address blocks: 49541 LACNIC Region origin ASes present in the Internet Routing Table: 11295 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2654 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: 170778624 Equivalent to 10 /8s, 45 /16s and 224 /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: 37965 Total AfriNIC prefixes after maximum aggregation: 7076 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 53104 Unique aggregates announced from the AfriNIC address blocks: 17178 AfriNIC Region origin ASes present in the Internet Routing Table: 1998 AfriNIC Prefixes per ASN: 26.58 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1357 Number of AfriNIC addresses announced to Internet: 103368960 Equivalent to 6 /8s, 41 /16s and 73 /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 4557 540 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4430 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3749 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 2931 856 507 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 14165 37159 5377 AMAZON-02, US 11492 4789 317 804 CABLEONE, US 22773 4727 3112 369 ASN-CXA-ALL-CCI-22773-RDC, US 174 4336 8764 798 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 2853 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 4074 384 2311 M247, RO 20940 3994 3395 127 AKAMAI-ASN1, NL 12389 3161 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2496 177 1801 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 12568 3305 580 UNINET, MX 10620 3458 463 1101 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 1263 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 1071 94 22 ORANGE-COTE-IVOIRE, CI 36914 564 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 14165 37159 5377 AMAZON-02, US 9808 13388 8727 113 CHINAMOBILE-CN China Mobile Communication 8151 12568 3305 580 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 4557 540 336 BBIL-AP BHARTI Airtel Ltd., IN 18403 4430 347 24 FPT-AS-AP FPT Telecom Company, VN 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 12568 11988 UNINET, MX 12479 7294 7145 UNI2-AS, ES 7545 6067 5473 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4430 4406 FPT-AS-AP FPT Telecom Company, VN 22773 4727 4358 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4557 4221 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 65555 UNALLOCATED 5.59.77.0/24 203068 BANDALIBRE-AS Bandalibr 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 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 /15:2107 /16:13725 /17:8259 /18:13666 /19:24935 /20:45017 /21:52443 /22:113612 /23:106014 /24:640405 /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 6766 12568 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 2430 14165 AMAZON-02, US 30036 2311 2655 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) ---------------------------------------------- 1:2456 2:1577 3:963 4:10 5:4993 6:189 7:6 8:1532 9:6 11:172 12:1234 13:559 14:2605 15:410 16:303 17:389 18:908 20:605 21:4 22:188 23:8141 24:2620 25:2 27:2772 29:19 31:3390 32:33 33:1 34:88 35:289 36:4551 37:4586 38:10442 39:1179 40:462 41:4601 42:1987 43:2871 44:402 45:19342 46:5133 47:377 49:2204 50:2054 51:594 52:1567 54:289 55:1103 56:11 57:299 58:2296 59:1334 60:1194 61:3170 62:3122 63:1754 64:5950 65:2119 66:5951 67:3252 68:1497 69:4261 70:1035 71:635 72:3018 74:2929 75:1528 76:603 77:2790 78:1915 79:1782 80:2310 81:2123 82:3769 83:1471 84:2025 85:3584 86:1114 87:2410 88:1340 89:4598 90:838 91:8422 92:2839 93:3000 94:4229 95:4577 96:1501 97:312 98:951 99:767 100:68 101:1196 102:4675 103:32479 104:5493 105:1148 106:918 107:2799 108:1198 109:4233 110:2277 111:3868 112:2759 113:1920 114:2102 115:2258 116:2147 117:3096 118:3082 119:2031 120:2353 121:1521 122:2963 123:2358 124:1663 125:2925 126:125 128:1581 129:1003 130:1525 131:2253 132:781 133:462 134:1641 135:388 136:1495 137:1142 138:2842 139:1603 140:1743 141:1557 142:2275 143:2134 144:1309 145:632 146:2176 147:2127 148:2793 149:2910 150:1296 151:2675 152:2277 153:602 154:8623 155:2261 156:3842 157:2226 158:1433 159:2671 160:3786 161:1995 162:3998 163:2330 164:1965 165:2602 166:1310 167:2152 168:3855 169:794 170:5428 171:1109 172:4507 173:3422 174:912 175:1371 176:3750 177:4718 178:4334 179:2287 180:2806 181:4331 182:3811 183:2542 184:2094 185:21808 186:5447 187:4734 188:4417 189:4444 190:9740 191:1549 192:11447 193:9540 194:7892 195:5650 196:3559 197:3909 198:6099 199:6101 200:8101 201:6372 202:10462 203:10672 204:4609 205:3664 206:4373 207:3743 208:4294 209:5377 210:4747 211:2678 212:4928 213:4048 214:1047 215:52 216:7149 217:3368 218:1594 219:419 220:2199 221:1269 222:765 223:3164 End of report