IPv4 R&E Routing Table Report 18:40 GMT Wed 10 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: 1029751 Prefixes after maximum aggregation (per Origin AS): 394392 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 504231 Number of IPv4 prefixes with a valid ROA: 607848 Number of IPv4 prefixes with an invalid ROA: 2125 Number of IPv4 prefixes with no ROA: 419778 Total ASes present in the Internet Routing Table: 77706 Prefixes per ASN: 13.25 Origin-only ASes present in the Internet Routing Table: 66595 Origin ASes announcing only one prefix: 27067 Transit ASes present in the Internet Routing Table: 11111 Transit-only ASes present in the Internet Routing Table: 581 Paths with bogon ASNs present in the IPv4 Routing Table: 194 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 215 Max AS path prepend of ASN (207138) 206 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1119 Number of 32-bit ASNs allocated by the RIRs: 48165 Number of 32-bit ASNs visible in the Routing Table: 39489 Prefixes from 32-bit ASNs in the Routing Table: 220585 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: 468 Number of addresses announced to Internet: 3104944896 Equivalent to 185 /8s, 17 /16s and 179 /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: 337315 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 277449 Total APNIC prefixes after maximum aggregation: 80799 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 264337 Unique aggregates announced from the APNIC address blocks: 106011 APNIC Region origin ASes present in the Internet Routing Table: 14903 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 4524 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: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10483 Number of APNIC addresses announced to Internet: 753223680 Equivalent to 44 /8s, 229 /16s and 72 /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: 302059 Total ARIN prefixes after maximum aggregation: 135066 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 302308 Unique aggregates announced from the ARIN address blocks: 145695 ARIN Region origin ASes present in the Internet Routing Table: 19363 ARIN Prefixes per ASN: 15.61 ARIN Region origin ASes announcing only one prefix: 7084 ARIN Region transit ASes present in the Internet Routing Table: 1955 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: 5425 Number of ARIN addresses announced to Internet: 1342296320 Equivalent to 80 /8s, 1 /16s and 209 /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: 284440 Total RIPE prefixes after maximum aggregation: 140078 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 285375 Unique aggregates announced from the RIPE address blocks: 184202 RIPE Region origin ASes present in the Internet Routing Table: 29168 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12078 RIPE Region transit ASes present in the Internet Routing Table: 4016 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: 12889 Number of RIPE addresses announced to Internet: 734851840 Equivalent to 43 /8s, 204 /16s and 243 /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: 126429 Total LACNIC prefixes after maximum aggregation: 30557 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 122375 Unique aggregates announced from the LACNIC address blocks: 49730 LACNIC Region origin ASes present in the Internet Routing Table: 11322 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2573 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: 9325 Number of LACNIC addresses announced to Internet: 170737920 Equivalent to 10 /8s, 45 /16s and 65 /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: 38317 Total AfriNIC prefixes after maximum aggregation: 7170 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54888 Unique aggregates announced from the AfriNIC address blocks: 18190 AfriNIC Region origin ASes present in the Internet Routing Table: 2006 AfriNIC Prefixes per ASN: 27.36 AfriNIC Region origin ASes announcing only one prefix: 706 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: 1367 Number of AfriNIC addresses announced to Internet: 103561216 Equivalent to 6 /8s, 44 /16s and 56 /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 13284 8726 116 CHINAMOBILE-CN China Mobile Communication 7545 6036 834 584 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4611 541 338 BBIL-AP BHARTI Airtel Ltd., IN 18403 4439 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4016 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3750 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3336 827 181 CMNET-JIANGSU-AP China Mobile communicati 45899 3323 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2958 865 502 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 14188 38435 5393 AMAZON-02, US 22773 4779 3115 368 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 174 4469 8769 859 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3690 1320 83 SHAW, CA 396982 3316 4863 490 GOOGLE-CLOUD-PLATFORM, US 749 3208 54760 2459 DNIC-AS-00749, US 16625 2996 1288 2186 AKAMAI-AS, US 36352 2819 229 904 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 7283 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4011 374 2284 M247, RO 20940 3969 3394 124 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2537 181 1837 CDNEXT, GB 34984 2424 363 576 TELLCOM-AS, TR 8452 1687 1852 14 TE-AS TE-AS, EG 203020 1615 242 782 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 12667 3293 584 UNINET, MX 10620 3457 463 1100 Telmex Colombia S.A., CO 13999 2511 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 11664 1348 278 33 Techtel LMDS Comunicaciones Interactivas 3816 1345 779 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1264 371 22 Telefonica del Peru S.A.A., PE 22884 1058 70 360 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 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 1953 506 27 RAYA-AS, EG 36992 1685 1509 399 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1260 389 20 LINKdotNET-AS, EG 36903 1249 554 96 MT-MPLS, MA 37069 1093 1096 13 MOBINIL, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 36935 1048 519 32 Vodafone-, EG 36914 567 82 3 KENET-AS, KE 3741 559 725 326 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 14188 38435 5393 AMAZON-02, US 9808 13284 8726 116 CHINAMOBILE-CN China Mobile Communication 8151 12667 3293 584 UNINET, MX 12479 7283 1711 149 UNI2-AS, ES 7545 6036 834 584 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4779 3115 368 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 9498 4611 541 338 BBIL-AP BHARTI Airtel Ltd., IN 174 4469 8769 859 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 13284 13168 CHINAMOBILE-CN China Mobile Communications Grou 8151 12667 12083 UNINET, MX 12479 7283 7134 UNI2-AS, ES 7545 6036 5452 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4439 4415 FPT-AS-AP FPT Telecom Company, VN 22773 4779 4411 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4611 4273 BBIL-AP BHARTI Airtel Ltd., IN 7552 4016 3988 VIETEL-AS-AP Viettel Group, VN 20940 3969 3845 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: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 23.140.180.0/24 Origin: 401371 DEEP-TO-ONE-INC, US 23.140.180.0/24 Transit: 154309 INTELLIGENT1-AS-AP Intelligent Cloud Lim 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /11:93 /12:300 /13:582 /14:1203 /15:2097 /16:13726 /17:8268 /18:13582 /19:24947 /20:45341 /21:52494 /22:113619 /23:106396 /24:647032 /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 6862 12667 UNINET, MX 12479 6213 7283 UNI2-AS, ES 11492 3559 4715 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3690 SHAW, CA 22773 3050 4779 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2422 14188 AMAZON-02, US 30036 2319 2662 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) ---------------------------------------------- 1:2445 2:1573 3:967 4:10 5:4985 6:190 7:6 8:1525 9:6 11:172 12:1230 13:538 14:2607 15:414 16:303 17:391 18:911 20:608 21:4 22:188 23:8158 24:2616 25:2 27:2785 29:19 31:3401 32:33 33:1 34:88 35:291 36:4613 37:4569 38:11062 39:1200 40:461 41:4625 42:2003 43:2912 44:414 45:19720 46:5140 47:389 49:2164 50:2062 51:598 52:1568 54:290 55:1111 56:11 57:311 58:2295 59:1348 60:1172 61:3303 62:3132 63:1762 64:5998 65:2120 66:5948 67:3245 68:1500 69:4277 70:1028 71:631 72:3088 74:2957 75:1526 76:601 77:2807 78:1926 79:1790 80:2320 81:2115 82:3862 83:1471 84:2037 85:3651 86:1112 87:2336 88:1354 89:4590 90:835 91:8460 92:2857 93:3027 94:4259 95:4580 96:1487 97:314 98:951 99:777 100:68 101:1338 102:4703 103:32523 104:5515 105:1146 106:924 107:2814 108:1210 109:4277 110:2307 111:3925 112:2795 113:1947 114:2108 115:2284 116:2174 117:3138 118:3013 119:2085 120:2379 121:1517 122:2971 123:2549 124:1666 125:2931 126:125 128:1592 129:1001 130:1550 131:2230 132:766 133:462 134:1639 135:529 136:1503 137:1238 138:2990 139:1605 140:1782 141:1554 142:2423 143:2138 144:1369 145:631 146:2184 147:2145 148:2796 149:2948 150:1321 151:2632 152:2276 153:788 154:9594 155:2287 156:4397 157:2273 158:1478 159:2704 160:3765 161:1998 162:4017 163:2334 164:1970 165:2643 166:1306 167:2154 168:3947 169:812 170:5436 171:1116 172:4543 173:3439 174:911 175:1376 176:3778 177:4742 178:4325 179:2326 180:2889 181:4445 182:3843 183:2624 184:2099 185:21816 186:5734 187:4787 188:4476 189:4493 190:9749 191:1575 192:11451 193:9536 194:7900 195:5672 196:3609 197:3862 198:6077 199:6101 200:8114 201:6418 202:10515 203:10678 204:4627 205:3693 206:4413 207:3787 208:4316 209:5395 210:4719 211:2702 212:4947 213:4077 214:1059 215:53 216:7100 217:3415 218:1614 219:418 220:2198 221:1285 222:778 223:3239 End of report