IPv4 R&E Routing Table Report 18:40 GMT Wed 19 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: 1021998 Prefixes after maximum aggregation (per Origin AS): 392879 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 501453 Number of IPv4 prefixes with a valid ROA: 593464 Number of IPv4 prefixes with an invalid ROA: 2022 Number of IPv4 prefixes with no ROA: 426512 Total ASes present in the Internet Routing Table: 77630 Prefixes per ASN: 13.16 Origin-only ASes present in the Internet Routing Table: 66513 Origin ASes announcing only one prefix: 27025 Transit ASes present in the Internet Routing Table: 11117 Transit-only ASes present in the Internet Routing Table: 578 Paths with bogon ASNs present in the IPv4 Routing Table: 176 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: 1090 Number of instances of unregistered ASNs: 1140 Number of 32-bit ASNs allocated by the RIRs: 47984 Number of 32-bit ASNs visible in the Routing Table: 39373 Prefixes from 32-bit ASNs in the Routing Table: 217824 Number of bogon 32-bit ASNs visible in the Routing Table: 141 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 497 Number of addresses announced to Internet: 3103176192 Equivalent to 184 /8s, 246 /16s and 182 /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: 335732 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273438 Total APNIC prefixes after maximum aggregation: 80416 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 262679 Unique aggregates announced from the APNIC address blocks: 105852 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: 4515 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: 10458 Number of APNIC addresses announced to Internet: 748816384 Equivalent to 44 /8s, 162 /16s and 8 /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: 300842 Total ARIN prefixes after maximum aggregation: 134123 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 300647 Unique aggregates announced from the ARIN address blocks: 145393 ARIN Region origin ASes present in the Internet Routing Table: 19359 ARIN Prefixes per ASN: 15.53 ARIN Region origin ASes announcing only one prefix: 7092 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: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5410 Number of ARIN addresses announced to Internet: 1344370432 Equivalent to 80 /8s, 33 /16s and 119 /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: 283624 Total RIPE prefixes after maximum aggregation: 140069 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 284086 Unique aggregates announced from the RIPE address blocks: 183133 RIPE Region origin ASes present in the Internet Routing Table: 29149 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12075 RIPE Region transit ASes present in the Internet Routing Table: 4007 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: 12856 Number of RIPE addresses announced to Internet: 735612672 Equivalent to 43 /8s, 216 /16s and 143 /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: 125235 Total LACNIC prefixes after maximum aggregation: 30479 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 121269 Unique aggregates announced from the LACNIC address blocks: 49497 LACNIC Region origin ASes present in the Internet Routing Table: 11290 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2568 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: 9293 Number of LACNIC addresses announced to Internet: 170824960 Equivalent to 10 /8s, 46 /16s and 149 /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: 37769 Total AfriNIC prefixes after maximum aggregation: 7069 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 52820 Unique aggregates announced from the AfriNIC address blocks: 17182 AfriNIC Region origin ASes present in the Internet Routing Table: 1996 AfriNIC Prefixes per ASN: 26.46 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 379 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: 1356 Number of AfriNIC addresses announced to Internet: 103366912 Equivalent to 6 /8s, 41 /16s and 65 /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 13391 8730 117 CHINAMOBILE-CN China Mobile Communication 7545 6067 832 594 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4537 539 319 BBIL-AP BHARTI Airtel Ltd., IN 18403 4347 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3980 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3742 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 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 14209 37117 5397 AMAZON-02, US 11492 4789 317 804 CABLEONE, US 22773 4695 3110 368 ASN-CXA-ALL-CCI-22773-RDC, US 174 4346 8764 800 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3691 1320 83 SHAW, CA 396982 3299 4860 478 GOOGLE-CLOUD-PLATFORM, US 749 3217 54766 2468 DNIC-AS-00749, US 16625 3004 1288 2187 AKAMAI-AS, US 36352 2853 231 915 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 7295 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4074 385 2308 M247, RO 20940 3993 3395 127 AKAMAI-ASN1, NL 12389 3160 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2495 177 1801 CDNEXT, GB 34984 2419 363 577 TELLCOM-AS, TR 8452 1703 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 12561 3317 579 UNINET, MX 10620 3457 463 1100 Telmex Colombia S.A., CO 13999 2509 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 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1320 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1265 371 22 Telefonica del Peru S.A.A., PE 22884 1061 70 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1017 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 1919 594 28 RAYA-AS, EG 36992 1680 1509 397 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1266 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 37069 1086 1112 11 MOBINIL, EG 29571 1071 94 22 ORANGE-COTE-IVOIRE, CI 36935 989 520 33 Vodafone-, EG 36914 571 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 14209 37117 5397 AMAZON-02, US 9808 13391 8730 117 CHINAMOBILE-CN China Mobile Communication 8151 12561 3317 579 UNINET, MX 12479 7295 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 4695 3110 368 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4537 539 319 BBIL-AP BHARTI Airtel Ltd., IN 18403 4347 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 13391 13274 CHINAMOBILE-CN China Mobile Communications Grou 8151 12561 11982 UNINET, MX 12479 7295 7146 UNI2-AS, ES 7545 6067 5473 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4695 4327 ASN-CXA-ALL-CCI-22773-RDC, US 18403 4347 4323 FPT-AS-AP FPT Telecom Company, VN 9498 4537 4218 BBIL-AP BHARTI Airtel Ltd., IN 11492 4789 3985 CABLEONE, US 7552 3980 3952 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 /8:18 /9:14 /10:41 /11:94 /12:298 /13:582 /14:1199 /15:2107 /16:13722 /17:8251 /18:13662 /19:24938 /20:44966 /21:52426 /22:113550 /23:106025 /24:640105 /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 6762 12561 UNINET, MX 12479 6237 7295 UNI2-AS, ES 11492 3602 4789 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3691 SHAW, CA 22773 3023 4695 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2412 14209 AMAZON-02, US 30036 2321 2666 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) ---------------------------------------------- 1:2458 2:1577 3:961 4:10 5:4995 6:189 7:6 8:1533 9:6 11:172 12:1234 13:559 14:2601 15:410 16:303 17:388 18:904 20:605 21:4 22:188 23:8136 24:2620 25:2 27:2773 29:19 31:3387 32:33 33:1 34:88 35:279 36:4551 37:4579 38:10439 39:1179 40:462 41:4604 42:1926 43:2868 44:403 45:19343 46:5142 47:377 49:2207 50:2057 51:593 52:1623 54:323 55:1097 56:11 57:298 58:2293 59:1334 60:1190 61:3167 62:3119 63:1753 64:5948 65:2115 66:5958 67:3252 68:1497 69:4261 70:1036 71:636 72:3016 74:2935 75:1528 76:603 77:2783 78:1913 79:1783 80:2310 81:2121 82:3770 83:1469 84:2025 85:3586 86:1111 87:2407 88:1340 89:4588 90:837 91:8417 92:2837 93:3003 94:4234 95:4578 96:1503 97:313 98:950 99:745 100:68 101:1197 102:4647 103:32508 104:5499 105:1139 106:918 107:2799 108:1198 109:4238 110:2277 111:3867 112:2758 113:1913 114:2094 115:2260 116:2147 117:3104 118:3068 119:2032 120:2353 121:1522 122:2946 123:2357 124:1681 125:2925 126:125 128:1583 129:1002 130:1521 131:2251 132:778 133:462 134:1633 135:365 136:1497 137:1145 138:2849 139:1601 140:1740 141:1567 142:2255 143:2127 144:1307 145:634 146:2181 147:2124 148:2793 149:2914 150:1297 151:2678 152:2264 153:598 154:8540 155:2251 156:3834 157:2229 158:1429 159:2670 160:3789 161:1996 162:4003 163:2333 164:1966 165:2600 166:1311 167:2152 168:3858 169:793 170:5424 171:1107 172:4502 173:3429 174:912 175:1371 176:3750 177:4724 178:4331 179:2283 180:2807 181:4329 182:3808 183:2533 184:2093 185:21786 186:5453 187:4728 188:4414 189:4435 190:9732 191:1522 192:11452 193:9529 194:7894 195:5650 196:3562 197:3917 198:6093 199:6105 200:8103 201:6373 202:10466 203:10672 204:4610 205:3657 206:4372 207:3745 208:4295 209:5368 210:4740 211:2678 212:4929 213:4036 214:1043 215:52 216:7154 217:3371 218:1593 219:418 220:2197 221:1270 222:765 223:3176 End of report