IPv4 R&E Routing Table Report 18:40 GMT Tue 26 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: 1021513 Prefixes after maximum aggregation (per Origin AS): 387861 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 491385 Number of IPv4 prefixes with a valid ROA: 581541 Number of IPv4 prefixes with an invalid ROA: 2457 Number of IPv4 prefixes with no ROA: 437515 Total ASes present in the Internet Routing Table: 77359 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66315 Origin ASes announcing only one prefix: 26601 Transit ASes present in the Internet Routing Table: 11044 Transit-only ASes present in the Internet Routing Table: 553 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: 1156 Number of instances of unregistered ASNs: 1195 Number of 32-bit ASNs allocated by the RIRs: 47271 Number of 32-bit ASNs visible in the Routing Table: 38927 Prefixes from 32-bit ASNs in the Routing Table: 216165 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: 443 Number of addresses announced to Internet: 3108642304 Equivalent to 185 /8s, 74 /16s and 30 /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: 336441 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269359 Total APNIC prefixes after maximum aggregation: 79050 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 259718 Unique aggregates announced from the APNIC address blocks: 105176 APNIC Region origin ASes present in the Internet Routing Table: 14771 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 4470 APNIC Region transit ASes present in the Internet Routing Table: 1980 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: 10324 Number of APNIC addresses announced to Internet: 750598912 Equivalent to 44 /8s, 189 /16s and 59 /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: 296140 Total ARIN prefixes after maximum aggregation: 133185 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 298259 Unique aggregates announced from the ARIN address blocks: 142024 ARIN Region origin ASes present in the Internet Routing Table: 19294 ARIN Prefixes per ASN: 15.46 ARIN Region origin ASes announcing only one prefix: 7070 ARIN Region transit ASes present in the Internet Routing Table: 1959 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: 5312 Number of ARIN addresses announced to Internet: 1349378816 Equivalent to 80 /8s, 109 /16s and 227 /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: 284528 Total RIPE prefixes after maximum aggregation: 137674 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283578 Unique aggregates announced from the RIPE address blocks: 179308 RIPE Region origin ASes present in the Internet Routing Table: 29105 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: 4007 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: 12711 Number of RIPE addresses announced to Internet: 732919296 Equivalent to 43 /8s, 175 /16s and 118 /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: 132506 Total LACNIC prefixes after maximum aggregation: 30210 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128565 Unique aggregates announced from the LACNIC address blocks: 49323 LACNIC Region origin ASes present in the Internet Routing Table: 11292 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2324 LACNIC Region transit ASes present in the Internet Routing Table: 2537 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: 9252 Number of LACNIC addresses announced to Internet: 170785280 Equivalent to 10 /8s, 45 /16s and 250 /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: 37824 Total AfriNIC prefixes after maximum aggregation: 6988 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 50950 Unique aggregates announced from the AfriNIC address blocks: 15173 AfriNIC Region origin ASes present in the Internet Routing Table: 1965 AfriNIC Prefixes per ASN: 25.93 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 386 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: 1328 Number of AfriNIC addresses announced to Internet: 104716800 Equivalent to 6 /8s, 61 /16s and 218 /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 12925 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 4397 348 27 FPT-AS-AP FPT Telecom Company, VN 7552 3941 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3690 1044 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3316 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2970 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2916 864 508 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 14096 40858 5354 AMAZON-02, US 174 4949 8760 851 COGENT-174, US 11492 4752 315 781 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3649 1320 82 SHAW, CA 22773 3358 3034 179 ASN-CXA-ALL-CCI-22773-RDC, US 749 3221 54766 2472 DNIC-AS-00749, US 396982 3219 3858 437 GOOGLE-CLOUD-PLATFORM, US 16625 3046 1292 2210 AKAMAI-AS, US 4155 2949 230 1745 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 7522 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4031 3395 128 AKAMAI-ASN1, NL 9009 3871 366 2188 M247, RO 12389 3082 2308 865 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2340 166 1707 CDNEXT, GB 203020 1836 221 841 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 12333 3272 572 UNINET, MX 10620 3482 472 1053 Telmex Colombia S.A., CO 13999 2531 511 351 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1372 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 1181 371 22 Telefonica del Peru S.A.A., PE 22884 1059 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 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 1041 1096 13 MOBINIL, EG 36935 972 520 42 Vodafone-, EG 36914 578 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 14096 40858 5354 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12333 3272 572 UNINET, MX 12479 7522 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4949 8760 851 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4752 315 781 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4397 348 27 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 12925 12814 CHINAMOBILE-CN China Mobile Communications Grou 8151 12333 11761 UNINET, MX 12479 7522 7372 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4397 4370 FPT-AS-AP FPT Telecom Company, VN 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 174 4949 4098 COGENT-174, US 11492 4752 3971 CABLEONE, US 7552 3941 3914 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 23.147.240.0/24 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 /16:13871 /17:8352 /18:13775 /19:24874 /20:45047 /21:53082 /22:114338 /23:108723 /24:635021 /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 6509 12333 UNINET, MX 12479 6483 7522 UNI2-AS, ES 11492 3565 4752 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3447 3649 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2510 3358 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2404 14096 AMAZON-02, US 30036 2316 2659 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) ---------------------------------------------- 1:2437 2:1656 3:925 4:10 5:5193 6:156 7:6 8:1569 9:4 11:172 12:1258 13:479 14:2611 15:388 16:285 17:383 18:909 20:583 21:4 22:188 23:7928 24:2767 25:2 27:2866 29:19 31:3515 32:37 33:1 34:88 35:264 36:4296 37:4622 38:10449 39:997 40:266 41:4474 42:1962 43:2741 44:386 45:19712 46:5198 47:346 49:2016 50:2068 51:592 52:1568 54:341 55:1104 56:11 57:295 58:2258 59:1335 60:1155 61:3093 62:3071 63:1801 64:5657 65:2168 66:4911 67:3151 68:1097 69:4040 70:1046 71:641 72:2982 74:2854 75:1524 76:606 77:2896 78:1930 79:1727 80:2268 81:2118 82:3295 83:1499 84:1943 85:3505 86:1227 87:2396 88:1371 89:4501 90:776 91:8525 92:2835 93:2988 94:4258 95:4484 96:1494 97:310 98:954 99:713 100:71 101:1466 102:4544 103:32715 104:5314 105:1063 106:874 107:2655 108:1257 109:4245 110:2249 111:3592 112:2486 113:1870 114:1991 115:2297 116:2141 117:2706 118:3044 119:1954 120:2209 121:1349 122:2840 123:2480 124:1742 125:2910 126:91 128:1593 129:1008 130:1327 131:2161 132:787 133:460 134:1634 135:404 136:1491 137:1138 138:3025 139:1601 140:1628 141:1545 142:1936 143:2058 144:1213 145:603 146:2196 147:2112 148:2731 149:2871 150:1266 151:2431 152:2134 153:624 154:7645 155:1967 156:3253 157:1983 158:1389 159:2543 160:3677 161:1995 162:3927 163:2315 164:1921 165:2539 166:1554 167:2100 168:4061 169:789 170:5509 171:997 172:4288 173:3429 174:907 175:1337 176:3885 177:5356 178:4125 179:2503 180:2638 181:4341 182:3620 183:2362 184:2114 185:21904 186:5665 187:4837 188:4335 189:4509 190:9736 191:1639 192:11411 193:9540 194:7960 195:5776 196:3686 197:3786 198:6157 199:8671 200:8579 201:6520 202:10611 203:10858 204:4585 205:3632 206:4530 207:3538 208:4312 209:5199 210:4762 211:2674 212:4679 213:3894 214:1040 215:51 216:6874 217:3464 218:1459 219:421 220:2150 221:1211 222:748 223:2867 End of report