IPv4 R&E Routing Table Report 18:40 GMT Fri 11 Jul, 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: 1004255 Prefixes after maximum aggregation (per Origin AS): 382569 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 485852 Number of IPv4 prefixes with a valid ROA: 566128 Number of IPv4 prefixes with an invalid ROA: 432 Number of IPv4 prefixes with no ROA: 437695 Total ASes present in the Internet Routing Table: 77007 Prefixes per ASN: 13.04 Origin-only ASes present in the Internet Routing Table: 65954 Origin ASes announcing only one prefix: 26543 Transit ASes present in the Internet Routing Table: 11053 Transit-only ASes present in the Internet Routing Table: 555 Paths with bogon ASNs present in the IPv4 Routing Table: 43 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 105 Max AS path prepend of ASN (263016) 100 Prefixes from unregistered ASNs in the Routing Table: 1177 Number of instances of unregistered ASNs: 1224 Number of 32-bit ASNs allocated by the RIRs: 46790 Number of 32-bit ASNs visible in the Routing Table: 38577 Prefixes from 32-bit ASNs in the Routing Table: 211718 Number of bogon 32-bit ASNs visible in the Routing Table: 120 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 479 Number of addresses announced to Internet: 3106402304 Equivalent to 185 /8s, 39 /16s and 240 /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: 331059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 262698 Total APNIC prefixes after maximum aggregation: 77696 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 253386 Unique aggregates announced from the APNIC address blocks: 104900 APNIC Region origin ASes present in the Internet Routing Table: 14681 APNIC Prefixes per ASN: 17.26 APNIC Region origin ASes announcing only one prefix: 4470 APNIC Region transit ASes present in the Internet Routing Table: 1964 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10231 Number of APNIC addresses announced to Internet: 749264128 Equivalent to 44 /8s, 168 /16s and 221 /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: 293876 Total ARIN prefixes after maximum aggregation: 131796 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 296118 Unique aggregates announced from the ARIN address blocks: 140711 ARIN Region origin ASes present in the Internet Routing Table: 19194 ARIN Prefixes per ASN: 15.43 ARIN Region origin ASes announcing only one prefix: 7019 ARIN Region transit ASes present in the Internet Routing Table: 1978 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 71 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5245 Number of ARIN addresses announced to Internet: 1349393664 Equivalent to 80 /8s, 110 /16s and 29 /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: 279359 Total RIPE prefixes after maximum aggregation: 135735 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 277961 Unique aggregates announced from the RIPE address blocks: 176983 RIPE Region origin ASes present in the Internet Routing Table: 28985 RIPE Prefixes per ASN: 9.59 RIPE Region origin ASes announcing only one prefix: 12033 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12571 Number of RIPE addresses announced to Internet: 731471104 Equivalent to 43 /8s, 153 /16s and 93 /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: 132227 Total LACNIC prefixes after maximum aggregation: 29718 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 128442 Unique aggregates announced from the LACNIC address blocks: 49028 LACNIC Region origin ASes present in the Internet Routing Table: 11275 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2345 LACNIC Region transit ASes present in the Internet Routing Table: 2553 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9236 Number of LACNIC addresses announced to Internet: 171198208 Equivalent to 10 /8s, 52 /16s and 71 /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: 34918 Total AfriNIC prefixes after maximum aggregation: 6852 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 47869 Unique aggregates announced from the AfriNIC address blocks: 13806 AfriNIC Region origin ASes present in the Internet Routing Table: 1928 AfriNIC Prefixes per ASN: 24.83 AfriNIC Region origin ASes announcing only one prefix: 676 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: 78 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1294 Number of AfriNIC addresses announced to Internet: 104813312 Equivalent to 6 /8s, 63 /16s and 83 /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 11751 8759 112 CHINAMOBILE-CN China Mobile Communication 7545 6141 839 617 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4361 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3289 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2649 811 177 CMNET-JIANGSU-AP China Mobile communicati 4755 2183 434 192 TATACOMM-AS TATA Communications formerly 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 13662 40959 5255 AMAZON-02, US 174 5311 8769 847 COGENT-174, US 11492 4787 317 605 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3634 1320 82 SHAW, CA 22773 3336 3034 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3225 54767 2476 DNIC-AS-00749, US 396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US 16625 3060 1290 2240 AKAMAI-AS, US 4155 2850 216 1736 USDA-1, 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 7637 1713 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4037 3395 128 AKAMAI-ASN1, NL 9009 3779 360 2104 M247, RO 12389 3119 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 582 TELLCOM-AS, TR 212238 2354 168 1721 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1558 1852 14 TE-AS TE-AS, EG 8551 1426 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12334 3255 575 UNINET, MX 10620 3513 481 1023 Telmex Colombia S.A., CO 13999 2530 538 352 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1369 2437 264 Claro NXT Telecomunicacoes Ltda, BR 3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1196 371 22 Telefonica del Peru S.A.A., PE 11664 1187 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1055 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1023 373 162 Axtel, S.A.B. de C.V., MX 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 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 20011 1296 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24835 1187 633 33 RAYA-AS, EG 36992 887 1436 293 ETISALAT-MISR, EG 36935 753 520 39 Vodafone-, EG 24863 637 389 22 LINKdotNET-AS, EG 37069 600 1112 11 MOBINIL, EG 36914 575 82 3 KENET-AS, KE 3741 563 661 320 IS, 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 13662 40959 5255 AMAZON-02, US 8151 12334 3255 575 UNINET, MX 9808 11751 8759 112 CHINAMOBILE-CN China Mobile Communication 12479 7637 1713 150 UNI2-AS, ES 7545 6141 839 617 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5311 8769 847 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4787 317 605 CABLEONE, US 18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4361 535 312 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 8151 12334 11759 UNINET, MX 9808 11751 11639 CHINAMOBILE-CN China Mobile Communications Grou 12479 7637 7487 UNI2-AS, ES 7545 6141 5524 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 174 5311 4464 COGENT-174, US 18403 4420 4395 FPT-AS-AP FPT Telecom Company, VN 11492 4787 4182 CABLEONE, US 9498 4361 4049 BBIL-AP BHARTI Airtel Ltd., IN 20940 4037 3909 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, 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 /11:92 /12:298 /13:580 /14:1208 /15:2168 /16:13830 /17:8290 /18:13605 /19:24638 /20:44009 /21:52353 /22:112184 /23:106675 /24:624254 /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 12479 6570 7637 UNI2-AS, ES 8151 6528 12334 UNINET, MX 11492 3581 4787 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3432 3634 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2489 3336 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2342 13662 AMAZON-02, US 30036 2265 2606 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2200 3513 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) ---------------------------------------------- 1:2412 2:1528 3:851 4:10 5:5033 6:162 7:6 8:1578 9:1 11:172 12:1342 13:457 14:2559 15:368 16:285 17:377 18:896 20:563 21:4 22:188 23:7744 24:2814 25:2 27:2816 29:19 31:3365 32:43 33:1 34:84 35:256 36:3524 37:4612 38:10614 39:908 40:251 41:4318 42:1922 43:2694 44:377 45:19257 46:5110 47:334 49:1923 50:1898 51:593 52:1555 54:324 55:1108 56:11 57:282 58:2187 59:1240 60:1174 61:2920 62:2971 63:1809 64:5580 65:2184 66:4793 67:3141 68:1101 69:4036 70:1045 71:630 72:2946 74:2818 75:1523 76:608 77:2853 78:1903 79:1719 80:2208 81:2092 82:3170 83:1459 84:1864 85:3458 86:1087 87:2395 88:1333 89:4440 90:775 91:8501 92:2760 93:2950 94:4116 95:4415 96:1503 97:310 98:961 99:697 100:72 101:1426 102:4206 103:32359 104:5270 105:1152 106:974 107:2639 108:1265 109:4208 110:2231 111:3265 112:2219 113:1860 114:1961 115:2267 116:2103 117:2553 118:2911 119:1927 120:2133 121:1330 122:2809 123:2436 124:1651 125:2883 126:91 128:1609 129:987 130:1318 131:2130 132:777 133:450 134:1585 135:395 136:1436 137:1140 138:3009 139:1582 140:1635 141:1528 142:1942 143:1991 144:1172 145:566 146:2184 147:2105 148:2713 149:2992 150:1236 151:2213 152:2094 153:591 154:7928 155:1838 156:3053 157:1930 158:1344 159:2495 160:3693 161:1898 162:3896 163:2249 164:1901 165:2102 166:1507 167:2041 168:4165 169:791 170:5363 171:1004 172:4438 173:3383 174:918 175:1317 176:3763 177:5362 178:4031 179:2474 180:2643 181:4259 182:3492 183:2226 184:2124 185:21743 186:5569 187:4884 188:4296 189:4522 190:9827 191:1579 192:11324 193:9498 194:7847 195:5656 196:3634 197:3690 198:6121 199:8584 200:8566 201:6478 202:10441 203:10698 204:4586 205:3633 206:4505 207:3508 208:4289 209:5163 210:4648 211:2571 212:4587 213:3817 214:1016 215:46 216:6818 217:3218 218:1377 219:403 220:2138 221:1186 222:709 223:2644 End of report