IPv4 R&E Routing Table Report 18:40 GMT Sun 24 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: 1022204 Prefixes after maximum aggregation (per Origin AS): 387914 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491432 Number of IPv4 prefixes with a valid ROA: 581686 Number of IPv4 prefixes with an invalid ROA: 2336 Number of IPv4 prefixes with no ROA: 438182 Total ASes present in the Internet Routing Table: 77382 Prefixes per ASN: 13.21 Origin-only ASes present in the Internet Routing Table: 66382 Origin ASes announcing only one prefix: 26602 Transit ASes present in the Internet Routing Table: 11000 Transit-only ASes present in the Internet Routing Table: 554 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: 1147 Number of instances of unregistered ASNs: 1186 Number of 32-bit ASNs allocated by the RIRs: 47270 Number of 32-bit ASNs visible in the Routing Table: 38938 Prefixes from 32-bit ASNs in the Routing Table: 216176 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: 438 Number of addresses announced to Internet: 3108151808 Equivalent to 185 /8s, 66 /16s and 162 /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: 336550 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269690 Total APNIC prefixes after maximum aggregation: 79061 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 259915 Unique aggregates announced from the APNIC address blocks: 105218 APNIC Region origin ASes present in the Internet Routing Table: 14800 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4496 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: 10344 Number of APNIC addresses announced to Internet: 750265600 Equivalent to 44 /8s, 184 /16s and 37 /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: 296611 Total ARIN prefixes after maximum aggregation: 133303 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298577 Unique aggregates announced from the ARIN address blocks: 141988 ARIN Region origin ASes present in the Internet Routing Table: 19294 ARIN Prefixes per ASN: 15.48 ARIN Region origin ASes announcing only one prefix: 7066 ARIN Region transit ASes present in the Internet Routing Table: 1955 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: 5307 Number of ARIN addresses announced to Internet: 1349114112 Equivalent to 80 /8s, 105 /16s and 217 /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: 284501 Total RIPE prefixes after maximum aggregation: 137611 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283503 Unique aggregates announced from the RIPE address blocks: 179216 RIPE Region origin ASes present in the Internet Routing Table: 29103 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12075 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12705 Number of RIPE addresses announced to Internet: 732939264 Equivalent to 43 /8s, 175 /16s and 196 /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: 132449 Total LACNIC prefixes after maximum aggregation: 30192 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128534 Unique aggregates announced from the LACNIC address blocks: 49308 LACNIC Region origin ASes present in the Internet Routing Table: 11292 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2307 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: 9255 Number of LACNIC addresses announced to Internet: 170862592 Equivalent to 10 /8s, 47 /16s and 40 /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: 37806 Total AfriNIC prefixes after maximum aggregation: 7002 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 51237 Unique aggregates announced from the AfriNIC address blocks: 15326 AfriNIC Region origin ASes present in the Internet Routing Table: 1963 AfriNIC Prefixes per ASN: 26.10 AfriNIC Region origin ASes announcing only one prefix: 658 AfriNIC Region transit ASes present in the Internet Routing Table: 385 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: 1327 Number of AfriNIC addresses announced to Internet: 104728320 Equivalent to 6 /8s, 62 /16s and 7 /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 4427 348 27 FPT-AS-AP FPT Telecom Company, VN 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., 4755 2180 428 185 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 14066 40857 5347 AMAZON-02, US 174 5081 8760 852 COGENT-174, US 11492 4742 314 779 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3646 1320 82 SHAW, CA 22773 3339 3030 160 ASN-CXA-ALL-CCI-22773-RDC, US 749 3221 54766 2472 DNIC-AS-00749, US 396982 3217 3857 435 GOOGLE-CLOUD-PLATFORM, US 16625 3049 1293 2209 AKAMAI-AS, US 4155 2943 229 1742 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 2405 361 586 TELLCOM-AS, TR 212238 2335 166 1703 CDNEXT, GB 203020 1818 221 839 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 12324 3270 570 UNINET, MX 10620 3483 472 1054 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 1178 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 1045 1096 13 MOBINIL, EG 36935 990 522 45 Vodafone-, EG 36914 566 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 14066 40857 5347 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12324 3270 570 UNINET, MX 12479 7543 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5081 8760 852 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4742 314 779 CABLEONE, US 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4427 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 12324 11754 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 4427 4400 FPT-AS-AP FPT Telecom Company, VN 174 5081 4229 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 23.147.240.0/24 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 /14:1214 /15:2174 /16:13874 /17:8362 /18:13788 /19:24868 /20:45038 /21:53094 /22:114305 /23:108804 /24:635641 /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 6502 12324 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 3339 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2398 14066 AMAZON-02, US 30036 2315 2658 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2203 3483 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) ---------------------------------------------- 1:2440 2:1655 3:924 4:10 5:5189 6:158 7:6 8:1568 9:3 11:172 12:1258 13:483 14:2601 15:386 16:285 17:383 18:907 20:583 21:4 22:188 23:7919 24:2802 25:2 27:2880 29:19 31:3510 32:37 33:1 34:88 35:264 36:4296 37:4627 38:10474 39:997 40:265 41:4489 42:1970 43:2761 44:387 45:19754 46:5194 47:341 49:2013 50:2070 51:592 52:1559 54:336 55:1109 56:11 57:296 58:2257 59:1333 60:1184 61:3089 62:3064 63:1799 64:5677 65:2167 66:4912 67:3152 68:1096 69:4061 70:1047 71:642 72:2979 74:2857 75:1526 76:607 77:2898 78:1926 79:1741 80:2266 81:2118 82:3288 83:1500 84:1944 85:3506 86:1224 87:2400 88:1371 89:4507 90:777 91:8513 92:2837 93:2985 94:4251 95:4490 96:1499 97:311 98:953 99:712 100:71 101:1469 102:4519 103:32771 104:5315 105:1070 106:875 107:2654 108:1282 109:4245 110:2249 111:3590 112:2486 113:1899 114:1987 115:2299 116:2142 117:2706 118:3048 119:1948 120:2208 121:1348 122:2841 123:2483 124:1747 125:2911 126:91 128:1611 129:1005 130:1325 131:2167 132:780 133:460 134:1630 135:403 136:1494 137:1132 138:3019 139:1600 140:1626 141:1545 142:1944 143:2046 144:1213 145:605 146:2195 147:2114 148:2731 149:3082 150:1267 151:2404 152:2134 153:624 154:7794 155:1943 156:3340 157:1986 158:1393 159:2541 160:3669 161:1960 162:3920 163:2310 164:1920 165:2529 166:1559 167:2098 168:4084 169:777 170:5492 171:997 172:4291 173:3446 174:907 175:1344 176:3883 177:5346 178:4120 179:2507 180:2636 181:4334 182:3613 183:2364 184:2116 185:21901 186:5675 187:4839 188:4346 189:4512 190:9726 191:1643 192:11407 193:9543 194:7966 195:5767 196:3684 197:3781 198:6160 199:8642 200:8566 201:6514 202:10601 203:10871 204:4596 205:3641 206:4550 207:3533 208:4323 209:5182 210:4789 211:2676 212:4676 213:3896 214:1037 215:51 216:6869 217:3472 218:1458 219:421 220:2148 221:1211 222:741 223:2866 End of report