IPv4 R&E Routing Table Report 18:40 GMT Fri 22 Aug, 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: 1022196 Prefixes after maximum aggregation (per Origin AS): 387611 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491474 Number of IPv4 prefixes with a valid ROA: 581628 Number of IPv4 prefixes with an invalid ROA: 2311 Number of IPv4 prefixes with no ROA: 438257 Total ASes present in the Internet Routing Table: 77373 Prefixes per ASN: 13.21 Origin-only ASes present in the Internet Routing Table: 66371 Origin ASes announcing only one prefix: 26598 Transit ASes present in the Internet Routing Table: 11002 Transit-only ASes present in the Internet Routing Table: 555 Paths with bogon ASNs present in the IPv4 Routing Table: 126 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 57 Max AS path prepend of ASN ( 37447) 54 Prefixes from unregistered ASNs in the Routing Table: 1153 Number of instances of unregistered ASNs: 1192 Number of 32-bit ASNs allocated by the RIRs: 47246 Number of 32-bit ASNs visible in the Routing Table: 38929 Prefixes from 32-bit ASNs in the Routing Table: 216097 Number of bogon 32-bit ASNs visible in the Routing Table: 110 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 3108294144 Equivalent to 185 /8s, 68 /16s and 206 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 336573 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269569 Total APNIC prefixes after maximum aggregation: 78922 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 259950 Unique aggregates announced from the APNIC address blocks: 105232 APNIC Region origin ASes present in the Internet Routing Table: 14796 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4495 APNIC Region transit ASes present in the Internet Routing Table: 1983 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10343 Number of APNIC addresses announced to Internet: 750246400 Equivalent to 44 /8s, 183 /16s and 218 /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: 296700 Total ARIN prefixes after maximum aggregation: 133203 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298602 Unique aggregates announced from the ARIN address blocks: 141981 ARIN Region origin ASes present in the Internet Routing Table: 19282 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7054 ARIN Region transit ASes present in the Internet Routing Table: 1958 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5301 Number of ARIN addresses announced to Internet: 1349288448 Equivalent to 80 /8s, 108 /16s and 130 /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: 284500 Total RIPE prefixes after maximum aggregation: 137566 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283522 Unique aggregates announced from the RIPE address blocks: 179215 RIPE Region origin ASes present in the Internet Routing Table: 29109 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3989 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12706 Number of RIPE addresses announced to Internet: 732910080 Equivalent to 43 /8s, 175 /16s and 82 /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: 132446 Total LACNIC prefixes after maximum aggregation: 30176 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128516 Unique aggregates announced from the LACNIC address blocks: 49297 LACNIC Region origin ASes present in the Internet Routing Table: 11287 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2310 LACNIC Region transit ASes present in the Internet Routing Table: 2524 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9251 Number of LACNIC addresses announced to Internet: 170858240 Equivalent to 10 /8s, 47 /16s and 23 /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: 37828 Total AfriNIC prefixes after maximum aggregation: 6992 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 51157 Unique aggregates announced from the AfriNIC address blocks: 15363 AfriNIC Region origin ASes present in the Internet Routing Table: 1964 AfriNIC Prefixes per ASN: 26.05 AfriNIC Region origin ASes announcing only one prefix: 663 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1328 Number of AfriNIC addresses announced to Internet: 104745728 Equivalent to 6 /8s, 62 /16s and 75 /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 12924 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4500 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3940 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3679 1043 71 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3312 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 2970 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2923 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2180 1437 75 TENCENT-NET-AP Shenzhen Tencent Computer 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 14044 40855 5334 AMAZON-02, US 174 5080 8760 850 COGENT-174, US 11492 4742 314 779 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3646 1320 82 SHAW, CA 22773 3340 3030 161 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3217 3857 435 GOOGLE-CLOUD-PLATFORM, US 16625 3050 1293 2209 AKAMAI-AS, US 4155 2955 230 1748 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 7543 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4032 3395 128 AKAMAI-ASN1, NL 9009 3874 366 2193 M247, RO 12389 3117 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2404 361 585 TELLCOM-AS, TR 212238 2303 164 1674 CDNEXT, GB 203020 1808 220 831 HOSTROYALE, IN 8452 1607 1852 14 TE-AS TE-AS, EG 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 12322 3270 570 UNINET, MX 10620 3482 472 1053 Telmex Colombia S.A., CO 13999 2530 511 351 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1371 2432 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1222 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1182 371 22 Telefonica del Peru S.A.A., PE 22884 1059 70 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1019 2487 55 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 1770 660 28 RAYA-AS, EG 29571 1499 94 32 ORANGE-COTE-IVOIRE, CI 36992 1424 1495 374 ETISALAT-MISR, EG 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1241 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 991 523 46 Vodafone-, EG 36914 575 82 3 KENET-AS, KE 3741 565 725 321 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 14044 40855 5334 AMAZON-02, US 9808 12924 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12322 3270 570 UNINET, MX 12479 7543 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5080 8760 850 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4742 314 779 CABLEONE, US 18403 4500 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 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 12924 12813 CHINAMOBILE-CN China Mobile Communications Grou 8151 12322 11752 UNINET, MX 12479 7543 7393 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4500 4473 FPT-AS-AP FPT Telecom Company, VN 174 5080 4230 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4742 3963 CABLEONE, US 7552 3940 3913 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 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 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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: 21859 ZEN-ECN, 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 /12:299 /13:580 /14:1214 /15:2174 /16:13874 /17:8361 /18:13790 /19:24867 /20:45085 /21:53093 /22:114278 /23:108781 /24:635637 /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 6504 7543 UNI2-AS, ES 8151 6500 12322 UNINET, MX 11492 3555 4742 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3444 3646 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2498 3340 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2386 14044 AMAZON-02, US 30036 2315 2658 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2202 3482 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) ---------------------------------------------- 1:2442 2:1655 3:922 4:10 5:5186 6:158 7:6 8:1570 9:3 11:172 12:1257 13:475 14:2601 15:384 16:285 17:383 18:907 20:583 21:4 22:188 23:7914 24:2805 25:2 27:2880 29:19 31:3508 32:37 33:1 34:88 35:264 36:4296 37:4640 38:10470 39:998 40:265 41:4476 42:2020 43:2762 44:387 45:19737 46:5197 47:341 49:2013 50:2068 51:592 52:1562 54:336 55:1112 56:11 57:296 58:2256 59:1333 60:1184 61:3089 62:3059 63:1800 64:5675 65:2168 66:4912 67:3151 68:1098 69:4063 70:1047 71:641 72:2978 74:2854 75:1527 76:607 77:2902 78:1926 79:1739 80:2266 81:2116 82:3281 83:1500 84:1944 85:3504 86:1224 87:2401 88:1369 89:4507 90:777 91:8516 92:2835 93:2987 94:4254 95:4492 96:1499 97:311 98:954 99:706 100:71 101:1467 102:4514 103:32749 104:5313 105:1070 106:875 107:2652 108:1281 109:4246 110:2252 111:3591 112:2484 113:1901 114:1990 115:2303 116:2141 117:2708 118:3055 119:1948 120:2213 121:1348 122:2843 123:2482 124:1747 125:2911 126:91 128:1609 129:1009 130:1328 131:2164 132:789 133:460 134:1630 135:403 136:1489 137:1134 138:3024 139:1602 140:1627 141:1543 142:1943 143:2049 144:1219 145:605 146:2197 147:2115 148:2728 149:3076 150:1267 151:2408 152:2133 153:634 154:7722 155:1940 156:3330 157:1988 158:1394 159:2543 160:3698 161:1958 162:3925 163:2304 164:1922 165:2525 166:1533 167:2088 168:4083 169:778 170:5482 171:998 172:4283 173:3445 174:907 175:1345 176:3883 177:5359 178:4119 179:2508 180:2636 181:4332 182:3613 183:2374 184:2117 185:21917 186:5677 187:4808 188:4345 189:4545 190:9723 191:1659 192:11402 193:9543 194:7966 195:5766 196:3681 197:3789 198:6161 199:8676 200:8557 201:6509 202:10604 203:10872 204:4594 205:3649 206:4552 207:3528 208:4327 209:5183 210:4789 211:2677 212:4674 213:3895 214:1040 215:51 216:6860 217:3470 218:1457 219:421 220:2145 221:1211 222:736 223:2875 End of report