IPv4 R&E Routing Table Report 18:40 GMT Tue 09 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: 1029025 Prefixes after maximum aggregation (per Origin AS): 394136 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 504062 Number of IPv4 prefixes with a valid ROA: 607320 Number of IPv4 prefixes with an invalid ROA: 2089 Number of IPv4 prefixes with no ROA: 419616 Total ASes present in the Internet Routing Table: 77696 Prefixes per ASN: 13.24 Origin-only ASes present in the Internet Routing Table: 66585 Origin ASes announcing only one prefix: 27078 Transit ASes present in the Internet Routing Table: 11111 Transit-only ASes present in the Internet Routing Table: 578 Paths with bogon ASNs present in the IPv4 Routing Table: 192 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1011 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 48170 Number of 32-bit ASNs visible in the Routing Table: 39488 Prefixes from 32-bit ASNs in the Routing Table: 220519 Number of bogon 32-bit ASNs visible in the Routing Table: 161 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 447 Number of addresses announced to Internet: 3100694272 Equivalent to 184 /8s, 208 /16s and 215 /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: 336943 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 277609 Total APNIC prefixes after maximum aggregation: 80821 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 264460 Unique aggregates announced from the APNIC address blocks: 105999 APNIC Region origin ASes present in the Internet Routing Table: 14905 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 4532 APNIC Region transit ASes present in the Internet Routing Table: 2008 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: 10485 Number of APNIC addresses announced to Internet: 753160704 Equivalent to 44 /8s, 228 /16s and 82 /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: 301409 Total ARIN prefixes after maximum aggregation: 134800 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 301752 Unique aggregates announced from the ARIN address blocks: 145708 ARIN Region origin ASes present in the Internet Routing Table: 19377 ARIN Prefixes per ASN: 15.57 ARIN Region origin ASes announcing only one prefix: 7099 ARIN Region transit ASes present in the Internet Routing Table: 1962 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: 1337111552 Equivalent to 79 /8s, 178 /16s and 180 /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: 284203 Total RIPE prefixes after maximum aggregation: 140079 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 285101 Unique aggregates announced from the RIPE address blocks: 184079 RIPE Region origin ASes present in the Internet Routing Table: 29159 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12070 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: 12885 Number of RIPE addresses announced to Internet: 735886592 Equivalent to 43 /8s, 220 /16s and 189 /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: 126500 Total LACNIC prefixes after maximum aggregation: 30568 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 122390 Unique aggregates announced from the LACNIC address blocks: 49701 LACNIC Region origin ASes present in the Internet Routing Table: 11326 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2566 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: 9324 Number of LACNIC addresses announced to Internet: 170739712 Equivalent to 10 /8s, 45 /16s and 72 /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: 38293 Total AfriNIC prefixes after maximum aggregation: 7175 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54875 Unique aggregates announced from the AfriNIC address blocks: 18189 AfriNIC Region origin ASes present in the Internet Routing Table: 2005 AfriNIC Prefixes per ASN: 27.37 AfriNIC Region origin ASes announcing only one prefix: 704 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 65 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1367 Number of AfriNIC addresses announced to Internet: 103563264 Equivalent to 6 /8s, 44 /16s and 64 /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 13283 8726 116 CHINAMOBILE-CN China Mobile Communication 7545 6039 834 587 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4643 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4609 541 338 BBIL-AP BHARTI Airtel Ltd., IN 7552 4015 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3749 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3336 827 181 CMNET-JIANGSU-AP China Mobile communicati 45899 3321 1868 98 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 14208 37208 5404 AMAZON-02, US 22773 4778 3115 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 174 4459 8768 851 COGENT-174, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3690 1320 83 SHAW, CA 396982 3314 4862 488 GOOGLE-CLOUD-PLATFORM, US 749 3208 54760 2459 DNIC-AS-00749, US 16625 3001 1289 2188 AKAMAI-AS, US 36352 2820 229 905 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 4020 375 2288 M247, RO 20940 3975 3394 124 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2535 181 1835 CDNEXT, GB 34984 2424 363 576 TELLCOM-AS, TR 8452 1692 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 12659 3293 584 UNINET, MX 10620 3458 463 1101 Telmex Colombia S.A., CO 13999 2509 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 1347 779 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1264 371 22 Telefonica del Peru S.A.A., PE 22884 1057 70 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 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 1684 1509 399 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1262 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 1049 520 33 Vodafone-, EG 3741 559 725 326 NTT-DATA-Inc, ZA 15399 557 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 14208 37208 5404 AMAZON-02, US 9808 13283 8726 116 CHINAMOBILE-CN China Mobile Communication 8151 12659 3293 584 UNINET, MX 12479 7282 1711 149 UNI2-AS, ES 7545 6039 834 587 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 22773 4778 3115 367 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4715 313 913 CABLEONE, US 18403 4643 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4609 541 338 BBIL-AP BHARTI Airtel Ltd., IN 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 13283 13167 CHINAMOBILE-CN China Mobile Communications Grou 8151 12659 12075 UNINET, MX 12479 7282 7133 UNI2-AS, ES 7545 6039 5452 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4643 4619 FPT-AS-AP FPT Telecom Company, VN 22773 4778 4411 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4609 4271 BBIL-AP BHARTI Airtel Ltd., IN 7552 4015 3987 VIETEL-AS-AP Viettel Group, VN 20940 3975 3851 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 23.141.0.0/24 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 /15:2104 /16:13725 /17:8265 /18:13577 /19:24942 /20:45182 /21:52483 /22:113592 /23:106312 /24:646594 /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 6855 12659 UNINET, MX 12479 6212 7282 UNI2-AS, ES 11492 3559 4715 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3478 3690 SHAW, CA 22773 3050 4778 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2430 14208 AMAZON-02, US 30036 2321 2664 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) ---------------------------------------------- 1:2452 2:1574 3:971 4:10 5:4971 6:190 7:6 8:1525 9:6 11:172 12:1230 13:555 14:2606 15:414 16:303 17:391 18:912 20:608 21:4 22:188 23:8159 24:2616 25:2 27:2785 29:19 31:3400 32:33 33:1 34:88 35:290 36:4613 37:4567 38:11049 39:1200 40:449 41:4601 42:2144 43:2894 44:406 45:19752 46:5131 47:389 49:2164 50:2056 51:598 52:1563 54:278 55:1114 56:11 57:311 58:2318 59:1348 60:1172 61:3304 62:3130 63:1762 64:5992 65:2121 66:5934 67:3241 68:1496 69:4277 70:1028 71:627 72:3067 74:2957 75:1524 76:601 77:2796 78:1922 79:1773 80:2321 81:2112 82:3858 83:1470 84:2032 85:3655 86:1111 87:2331 88:1349 89:4594 90:836 91:8461 92:2856 93:3025 94:4255 95:4573 96:1485 97:314 98:951 99:776 100:68 101:1338 102:4709 103:32507 104:5509 105:1149 106:925 107:2803 108:1208 109:4243 110:2309 111:3924 112:2801 113:1921 114:2106 115:2281 116:2172 117:3137 118:3023 119:2089 120:2379 121:1517 122:2971 123:2555 124:1665 125:2931 126:125 128:1590 129:1000 130:1525 131:2249 132:766 133:462 134:1655 135:529 136:1500 137:1151 138:2992 139:1602 140:1730 141:1559 142:2360 143:2135 144:1363 145:631 146:2182 147:2145 148:2796 149:2939 150:1319 151:2630 152:2279 153:788 154:9601 155:2278 156:4395 157:2271 158:1480 159:2702 160:3767 161:1995 162:4011 163:2334 164:1967 165:2642 166:1298 167:2148 168:3942 169:810 170:5432 171:1116 172:4542 173:3434 174:911 175:1374 176:3775 177:4735 178:4319 179:2302 180:2890 181:4441 182:3841 183:2636 184:2099 185:21777 186:5732 187:4753 188:4463 189:4506 190:9800 191:1571 192:11444 193:9527 194:7898 195:5670 196:3612 197:3845 198:6068 199:6104 200:8107 201:6417 202:10499 203:10692 204:4626 205:3695 206:4442 207:3784 208:4309 209:5408 210:4746 211:2702 212:4934 213:4072 214:1026 215:53 216:7105 217:3414 218:1614 219:418 220:2198 221:1285 222:777 223:3245 End of report