IPv4 R&E Routing Table Report 18:40 GMT Mon 29 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: 1052973 Prefixes after maximum aggregation (per Origin AS): 395694 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 505305 Number of IPv4 prefixes with a valid ROA: 625792 Number of IPv4 prefixes with an invalid ROA: 2980 Number of IPv4 prefixes with no ROA: 424201 Total ASes present in the Internet Routing Table: 77873 Prefixes per ASN: 13.52 Origin-only ASes present in the Internet Routing Table: 66714 Origin ASes announcing only one prefix: 26790 Transit ASes present in the Internet Routing Table: 11159 Transit-only ASes present in the Internet Routing Table: 572 Paths with bogon ASNs present in the IPv4 Routing Table: 183 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) 207 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 48319 Number of 32-bit ASNs visible in the Routing Table: 39641 Prefixes from 32-bit ASNs in the Routing Table: 227033 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: 651 Number of addresses announced to Internet: 3107640064 Equivalent to 185 /8s, 58 /16s and 211 /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: 346704 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 285102 Total APNIC prefixes after maximum aggregation: 81445 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 271349 Unique aggregates announced from the APNIC address blocks: 106426 APNIC Region origin ASes present in the Internet Routing Table: 15019 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4541 APNIC Region transit ASes present in the Internet Routing Table: 2011 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: 10567 Number of APNIC addresses announced to Internet: 755713792 Equivalent to 45 /8s, 11 /16s and 71 /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: 304309 Total ARIN prefixes after maximum aggregation: 135035 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 304681 Unique aggregates announced from the ARIN address blocks: 145488 ARIN Region origin ASes present in the Internet Routing Table: 19381 ARIN Prefixes per ASN: 15.72 ARIN Region origin ASes announcing only one prefix: 7064 ARIN Region transit ASes present in the Internet Routing Table: 1977 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: 5421 Number of ARIN addresses announced to Internet: 1342256896 Equivalent to 80 /8s, 1 /16s and 55 /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: 289740 Total RIPE prefixes after maximum aggregation: 140407 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 290553 Unique aggregates announced from the RIPE address blocks: 184284 RIPE Region origin ASes present in the Internet Routing Table: 29188 RIPE Prefixes per ASN: 9.95 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 4006 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12933 Number of RIPE addresses announced to Internet: 735377152 Equivalent to 43 /8s, 212 /16s and 247 /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: 134023 Total LACNIC prefixes after maximum aggregation: 30992 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 129532 Unique aggregates announced from the LACNIC address blocks: 49626 LACNIC Region origin ASes present in the Internet Routing Table: 11351 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2435 LACNIC Region transit ASes present in the Internet Routing Table: 2594 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: 9345 Number of LACNIC addresses announced to Internet: 170565120 Equivalent to 10 /8s, 42 /16s and 158 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 38790 Total AfriNIC prefixes after maximum aggregation: 7124 AfriNIC Deaggregation factor: 5.44 Prefixes being announced from the AfriNIC address blocks: 56207 Unique aggregates announced from the AfriNIC address blocks: 18974 AfriNIC Region origin ASes present in the Internet Routing Table: 2015 AfriNIC Prefixes per ASN: 27.89 AfriNIC Region origin ASes announcing only one prefix: 702 AfriNIC Region transit ASes present in the Internet Routing Table: 387 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: 1375 Number of AfriNIC addresses announced to Internet: 103406592 Equivalent to 6 /8s, 41 /16s and 220 /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 13469 8947 105 CHINAMOBILE-CN China Mobile Communication 7545 6035 834 580 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4663 542 335 BBIL-AP BHARTI Airtel Ltd., IN 18403 4326 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 4053 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3759 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 4538 3440 4193 76 ERX-CERNET-BKB China Education and Resear 56046 3399 831 184 CMNET-JIANGSU-AP China Mobile communicati 45899 3331 1868 98 VNPT-AS-VN VNPT Corp, VN 17561 3172 199 634 LCS-AS-AP LARUS Limited, HK 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 14018 38462 5446 AMAZON-02, US 174 5158 8767 858 COGENT-174, US 22773 4745 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4688 311 948 CABLEONE, US 7155 3868 287 89 VIASAT-SP-BACKBONE, US 6327 3690 1320 82 SHAW, CA 396982 3317 4867 491 GOOGLE-CLOUD-PLATFORM, US 749 3144 54729 2395 DNIC-AS-00749, US 16625 2970 1278 2177 AKAMAI-AS, US 36352 2703 222 888 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 7279 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 9009 3980 370 2279 M247, RO 20940 3954 3394 124 AKAMAI-ASN1, NL 12389 3170 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2639 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2564 183 1864 CDNEXT, GB 34984 2421 371 574 TELLCOM-AS, TR 8452 1708 1852 14 TE-AS TE-AS, EG 203020 1619 242 783 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 12692 3277 590 UNINET, MX 10620 3400 453 1149 Telmex Colombia S.A., CO 13999 2487 506 351 Mega Cable, S.A. de C.V., MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 28573 1370 2430 270 Claro NXT Telecomunicacoes Ltda, BR 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1260 371 22 Telefonica del Peru S.A.A., PE 22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1013 2486 56 TIM SA, BR 18881 902 1127 31 TELEFONICA BRASIL S.A, 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 1982 638 33 RAYA-AS, EG 36992 1850 1538 336 ETISALAT-MISR, EG 20011 1327 205 344 NTT-DATA-Inc, ZA 24863 1268 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 37069 1100 1096 13 MOBINIL, EG 36935 1077 522 34 Vodafone-, EG 29571 1072 94 22 ORANGE-COTE-IVOIRE, CI 3741 559 725 326 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 14018 38462 5446 AMAZON-02, US 9808 13469 8947 105 CHINAMOBILE-CN China Mobile Communication 8151 12692 3277 590 UNINET, MX 12479 7279 1711 149 UNI2-AS, ES 7545 6035 834 580 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5158 8767 858 COGENT-174, US 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4745 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4688 311 948 CABLEONE, US 9498 4663 542 335 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 13469 13364 CHINAMOBILE-CN China Mobile Communications Grou 8151 12692 12102 UNINET, MX 12479 7279 7130 UNI2-AS, ES 7545 6035 5455 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4745 4372 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4663 4328 BBIL-AP BHARTI Airtel Ltd., IN 18403 4326 4302 FPT-AS-AP FPT Telecom Company, VN 174 5158 4300 COGENT-174, US 7552 4053 4024 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 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 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 21861 UNALLOCATED 12.37.59.0/24 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 23.137.48.0/24 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 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 /12:302 /13:582 /14:1207 /15:2118 /16:13791 /17:8376 /18:13937 /19:25375 /20:46692 /21:53709 /22:115589 /23:111406 /24:659724 /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 6867 12692 UNINET, MX 12479 6210 7279 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3533 4688 CABLEONE, US 6327 3478 3690 SHAW, CA 22773 3052 4745 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2827 3868 VIASAT-SP-BACKBONE, US 16509 2456 14018 AMAZON-02, US 30036 2321 2664 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2189 3400 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) ---------------------------------------------- 1:2481 2:1668 3:978 4:10 5:5361 6:185 7:6 8:1535 9:11 11:172 12:1234 13:601 14:2639 15:418 16:274 17:386 18:916 20:610 21:4 22:188 23:8157 24:2714 25:2 27:2855 29:19 31:3530 32:39 33:1 34:88 35:291 36:4660 37:4609 38:11565 39:1230 40:440 41:4723 42:1925 43:2973 44:417 45:20394 46:5170 47:400 49:2177 50:2066 51:598 52:1258 54:226 55:1122 56:11 57:319 58:2349 59:1494 60:1178 61:3368 62:3139 63:1778 64:6072 65:2145 66:6040 67:3285 68:1532 69:4347 70:1032 71:629 72:3194 74:2982 75:1537 76:603 77:2898 78:1935 79:1812 80:2328 81:2122 82:3973 83:1530 84:2065 85:3680 86:1199 87:2363 88:1374 89:4671 90:836 91:8532 92:2916 93:3036 94:4386 95:4583 96:1488 97:313 98:959 99:784 100:68 101:1324 102:4784 103:32887 104:5491 105:1135 106:930 107:2812 108:1226 109:4303 110:2310 111:4082 112:2844 113:1983 114:2105 115:2393 116:2292 117:3214 118:3008 119:2168 120:2468 121:1568 122:2986 123:2781 124:1766 125:2987 126:125 128:1620 129:1001 130:1573 131:2343 132:757 133:462 134:1659 135:586 136:1508 137:1235 138:3168 139:1603 140:1785 141:1580 142:2436 143:2173 144:1418 145:632 146:2203 147:2152 148:2806 149:3001 150:1337 151:2618 152:2280 153:891 154:9870 155:2306 156:4765 157:2296 158:1485 159:2732 160:3790 161:2031 162:4012 163:2349 164:1984 165:2659 166:1313 167:2216 168:4047 169:817 170:5646 171:1121 172:4557 173:3459 174:904 175:1370 176:3899 177:5297 178:4436 179:2477 180:2902 181:4569 182:3891 183:2682 184:2101 185:22012 186:6064 187:4982 188:4645 189:4647 190:9965 191:1631 192:11448 193:9584 194:8012 195:5832 196:3636 197:3969 198:6116 199:6135 200:8484 201:6540 202:10918 203:10818 204:4674 205:3721 206:4470 207:3812 208:4395 209:5508 210:4985 211:2780 212:4986 213:4114 214:1064 215:54 216:7195 217:3644 218:1673 219:520 220:2197 221:1302 222:903 223:3296 End of report