IPv4 R&E Routing Table Report 18:40 GMT Sun 31 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: 1023120 Prefixes after maximum aggregation (per Origin AS): 388337 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 491876 Number of IPv4 prefixes with a valid ROA: 582852 Number of IPv4 prefixes with an invalid ROA: 2475 Number of IPv4 prefixes with no ROA: 437793 Total ASes present in the Internet Routing Table: 77394 Prefixes per ASN: 13.22 Origin-only ASes present in the Internet Routing Table: 66374 Origin ASes announcing only one prefix: 26615 Transit ASes present in the Internet Routing Table: 11020 Transit-only ASes present in the Internet Routing Table: 556 Paths with bogon ASNs present in the IPv4 Routing Table: 132 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: 1156 Number of instances of unregistered ASNs: 1195 Number of 32-bit ASNs allocated by the RIRs: 47304 Number of 32-bit ASNs visible in the Routing Table: 38970 Prefixes from 32-bit ASNs in the Routing Table: 216958 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 461 Number of addresses announced to Internet: 3108936448 Equivalent to 185 /8s, 78 /16s and 155 /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: 336929 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269770 Total APNIC prefixes after maximum aggregation: 79078 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 260042 Unique aggregates announced from the APNIC address blocks: 105247 APNIC Region origin ASes present in the Internet Routing Table: 14789 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 4473 APNIC Region transit ASes present in the Internet Routing Table: 1973 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10341 Number of APNIC addresses announced to Internet: 750612736 Equivalent to 44 /8s, 189 /16s and 113 /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: 297151 Total ARIN prefixes after maximum aggregation: 133391 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 299440 Unique aggregates announced from the ARIN address blocks: 142304 ARIN Region origin ASes present in the Internet Routing Table: 19292 ARIN Prefixes per ASN: 15.52 ARIN Region origin ASes announcing only one prefix: 7065 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: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5318 Number of ARIN addresses announced to Internet: 1349821184 Equivalent to 80 /8s, 116 /16s and 163 /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: 284763 Total RIPE prefixes after maximum aggregation: 137838 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283810 Unique aggregates announced from the RIPE address blocks: 179388 RIPE Region origin ASes present in the Internet Routing Table: 29112 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3995 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: 12718 Number of RIPE addresses announced to Internet: 732765440 Equivalent to 43 /8s, 173 /16s and 29 /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: 132312 Total LACNIC prefixes after maximum aggregation: 30272 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 128383 Unique aggregates announced from the LACNIC address blocks: 49379 LACNIC Region origin ASes present in the Internet Routing Table: 11299 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2331 LACNIC Region transit ASes present in the Internet Routing Table: 2530 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: 9260 Number of LACNIC addresses announced to Internet: 170768128 Equivalent to 10 /8s, 45 /16s and 183 /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: 37968 Total AfriNIC prefixes after maximum aggregation: 7004 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 50984 Unique aggregates announced from the AfriNIC address blocks: 15162 AfriNIC Region origin ASes present in the Internet Routing Table: 1968 AfriNIC Prefixes per ASN: 25.91 AfriNIC Region origin ASes announcing only one prefix: 658 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1333 Number of AfriNIC addresses announced to Internet: 104720896 Equivalent to 6 /8s, 61 /16s and 234 /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 12922 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4381 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 3943 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3685 1044 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3316 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2975 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2922 865 507 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2182 1517 77 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 14177 40861 5354 AMAZON-02, US 174 4956 8759 845 COGENT-174, US 11492 4744 315 801 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3649 1320 82 SHAW, CA 22773 3355 3034 179 ASN-CXA-ALL-CCI-22773-RDC, US 749 3221 54766 2472 DNIC-AS-00749, US 396982 3217 3858 435 GOOGLE-CLOUD-PLATFORM, US 16625 3054 1296 2209 AKAMAI-AS, US 4155 2957 230 1739 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 7509 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4036 3395 128 AKAMAI-ASN1, NL 9009 3883 367 2188 M247, RO 12389 3124 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2371 169 1726 CDNEXT, GB 203020 1848 222 848 HOSTROYALE, IN 8452 1608 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 12351 3273 572 UNINET, MX 10620 3486 472 1048 Telmex Colombia S.A., CO 13999 2533 511 347 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1371 2432 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1202 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1178 371 22 Telefonica del Peru S.A.A., PE 22884 1058 70 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1011 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 1793 660 28 RAYA-AS, EG 29571 1498 94 37 ORANGE-COTE-IVOIRE, CI 36992 1425 1495 374 ETISALAT-MISR, EG 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1244 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 972 521 42 Vodafone-, EG 36914 568 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 14177 40861 5354 AMAZON-02, US 9808 12922 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12351 3273 572 UNINET, MX 12479 7509 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4956 8759 845 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4744 315 801 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4381 347 26 FPT-AS-AP FPT Telecom Company, VN 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 12922 12811 CHINAMOBILE-CN China Mobile Communications Grou 8151 12351 11779 UNINET, MX 12479 7509 7359 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4381 4355 FPT-AS-AP FPT Telecom Company, VN 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 174 4956 4111 COGENT-174, US 11492 4744 3943 CABLEONE, US 7552 3943 3916 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 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 1782 UNALLOCATED 8.42.19.0/24 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: 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /14:1215 /15:2173 /16:13868 /17:8351 /18:13771 /19:24867 /20:45332 /21:53106 /22:114350 /23:108797 /24:636248 /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 6522 12351 UNINET, MX 12479 6460 7509 UNI2-AS, ES 11492 3560 4744 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3447 3649 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2507 3355 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2399 14177 AMAZON-02, US 30036 2318 2661 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2206 3486 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) ---------------------------------------------- 1:2439 2:1659 3:923 4:10 5:5204 6:156 7:6 8:1564 9:4 11:172 12:1254 13:506 14:2610 15:393 16:286 17:389 18:907 20:586 21:4 22:188 23:7930 24:2811 25:2 27:2864 29:19 31:3497 32:37 33:1 34:88 35:265 36:4296 37:4592 38:10593 39:999 40:270 41:4485 42:1947 43:2778 44:387 45:19709 46:5201 47:346 49:2026 50:2072 51:592 52:1599 54:360 55:1115 56:11 57:293 58:2257 59:1325 60:1188 61:3087 62:3079 63:1799 64:5672 65:2156 66:4920 67:3148 68:1098 69:4055 70:1046 71:641 72:2981 74:2858 75:1527 76:606 77:2898 78:1935 79:1752 80:2262 81:2118 82:3305 83:1501 84:1943 85:3514 86:1226 87:2386 88:1370 89:4509 90:793 91:8522 92:2843 93:2997 94:4263 95:4485 96:1503 97:311 98:950 99:724 100:71 101:1464 102:4592 103:32813 104:5345 105:1063 106:876 107:2662 108:1253 109:4240 110:2240 111:3586 112:2484 113:1869 114:1993 115:2301 116:2141 117:2707 118:3049 119:1953 120:2216 121:1350 122:2840 123:2481 124:1748 125:2910 126:91 128:1594 129:1008 130:1315 131:2246 132:792 133:459 134:1630 135:412 136:1491 137:1137 138:3010 139:1595 140:1626 141:1557 142:1934 143:2051 144:1216 145:623 146:2196 147:2151 148:2727 149:2975 150:1264 151:2429 152:2136 153:629 154:7637 155:1990 156:3243 157:1977 158:1478 159:2545 160:3658 161:1979 162:3929 163:2313 164:1943 165:2550 166:1562 167:2097 168:4053 169:792 170:5498 171:996 172:4286 173:3434 174:908 175:1343 176:3893 177:5421 178:4161 179:2483 180:2635 181:4346 182:3628 183:2359 184:2114 185:21898 186:5657 187:4855 188:4342 189:4520 190:9728 191:1640 192:11427 193:9548 194:7948 195:5782 196:3576 197:3904 198:6155 199:8672 200:8552 201:6536 202:10609 203:10857 204:4589 205:3655 206:4562 207:3547 208:4322 209:5222 210:4788 211:2677 212:4683 213:3887 214:1041 215:51 216:6890 217:3461 218:1471 219:421 220:2157 221:1211 222:749 223:2868 End of report