IPv4 R&E Routing Table Report 18:40 GMT Wed 27 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: 1022846 Prefixes after maximum aggregation (per Origin AS): 388065 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491651 Number of IPv4 prefixes with a valid ROA: 582481 Number of IPv4 prefixes with an invalid ROA: 2484 Number of IPv4 prefixes with no ROA: 437881 Total ASes present in the Internet Routing Table: 77402 Prefixes per ASN: 13.21 Origin-only ASes present in the Internet Routing Table: 66368 Origin ASes announcing only one prefix: 26607 Transit ASes present in the Internet Routing Table: 11034 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: 1141 Number of instances of unregistered ASNs: 1180 Number of 32-bit ASNs allocated by the RIRs: 47277 Number of 32-bit ASNs visible in the Routing Table: 38971 Prefixes from 32-bit ASNs in the Routing Table: 216645 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: 436 Number of addresses announced to Internet: 3109077760 Equivalent to 185 /8s, 80 /16s and 195 /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: 337049 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269610 Total APNIC prefixes after maximum aggregation: 79030 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 259926 Unique aggregates announced from the APNIC address blocks: 105240 APNIC Region origin ASes present in the Internet Routing Table: 14797 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4480 APNIC Region transit ASes present in the Internet Routing Table: 1978 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: 10348 Number of APNIC addresses announced to Internet: 750599424 Equivalent to 44 /8s, 189 /16s and 61 /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: 296713 Total ARIN prefixes after maximum aggregation: 133349 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 299026 Unique aggregates announced from the ARIN address blocks: 142158 ARIN Region origin ASes present in the Internet Routing Table: 19296 ARIN Prefixes per ASN: 15.50 ARIN Region origin ASes announcing only one prefix: 7067 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: 5317 Number of ARIN addresses announced to Internet: 1349912576 Equivalent to 80 /8s, 118 /16s and 8 /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: 284658 Total RIPE prefixes after maximum aggregation: 137740 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283687 Unique aggregates announced from the RIPE address blocks: 179341 RIPE Region origin ASes present in the Internet Routing Table: 29114 RIPE Prefixes per ASN: 9.74 RIPE Region origin ASes announcing only one prefix: 12080 RIPE Region transit ASes present in the Internet Routing Table: 4005 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: 12717 Number of RIPE addresses announced to Internet: 732906752 Equivalent to 43 /8s, 175 /16s and 69 /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: 132863 Total LACNIC prefixes after maximum aggregation: 30208 LACNIC Deaggregation factor: 4.40 Prefixes being announced from the LACNIC address blocks: 128917 Unique aggregates announced from the LACNIC address blocks: 49306 LACNIC Region origin ASes present in the Internet Routing Table: 11297 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2313 LACNIC Region transit ASes present in the Internet Routing Table: 2534 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: 9256 Number of LACNIC addresses announced to Internet: 170797312 Equivalent to 10 /8s, 46 /16s and 41 /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: 37861 Total AfriNIC prefixes after maximum aggregation: 6991 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 50854 Unique aggregates announced from the AfriNIC address blocks: 15226 AfriNIC Region origin ASes present in the Internet Routing Table: 1969 AfriNIC Prefixes per ASN: 25.83 AfriNIC Region origin ASes announcing only one prefix: 667 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: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1333 Number of AfriNIC addresses announced to Internet: 104619520 Equivalent to 6 /8s, 60 /16s and 94 /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 4393 348 27 FPT-AS-AP FPT Telecom Company, VN 7552 3941 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3686 1044 69 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3315 1869 101 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 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 14080 40858 5343 AMAZON-02, US 174 4946 8760 850 COGENT-174, US 11492 4744 315 801 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 3218 3858 436 GOOGLE-CLOUD-PLATFORM, US 16625 3049 1293 2209 AKAMAI-AS, US 4155 2955 230 1744 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 7515 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4035 3395 128 AKAMAI-ASN1, NL 9009 3871 366 2189 M247, RO 12389 3124 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2341 167 1708 CDNEXT, GB 203020 1846 222 848 HOSTROYALE, IN 8452 1609 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 12332 3269 565 UNINET, MX 10620 3483 472 1054 Telmex Colombia S.A., CO 13999 2531 511 351 Mega Cable, S.A. de C.V., MX 11830 1985 369 64 Instituto Costarricense de Electricidad y 28573 1372 2434 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1221 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 1010 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 1777 660 28 RAYA-AS, EG 29571 1498 94 37 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 972 520 42 Vodafone-, EG 36914 577 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 14080 40858 5343 AMAZON-02, US 9808 12925 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12332 3269 565 UNINET, MX 12479 7515 1711 150 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4946 8760 850 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 4393 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 12332 11767 UNINET, MX 12479 7515 7365 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4393 4366 FPT-AS-AP FPT Telecom Company, VN 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 174 4946 4096 COGENT-174, US 11492 4744 3943 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 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 /16:13870 /17:8345 /18:13769 /19:24883 /20:45326 /21:53089 /22:114360 /23:108882 /24:635892 /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 6513 12332 UNINET, MX 12479 6468 7515 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 2510 3358 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2417 14080 AMAZON-02, US 30036 2316 2659 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 2:1654 3:919 4:10 5:5191 6:156 7:6 8:1564 9:4 11:172 12:1256 13:484 14:2611 15:388 16:285 17:383 18:906 20:584 21:4 22:188 23:7925 24:2810 25:2 27:2865 29:19 31:3500 32:37 33:1 34:88 35:266 36:4295 37:4621 38:10538 39:997 40:267 41:4454 42:1961 43:2765 44:389 45:19653 46:5201 47:346 49:2020 50:2072 51:592 52:1567 54:336 55:1102 56:11 57:295 58:2256 59:1327 60:1188 61:3092 62:3080 63:1798 64:5676 65:2166 66:4916 67:3149 68:1096 69:4053 70:1046 71:641 72:2983 74:2849 75:1527 76:606 77:2898 78:1929 79:1750 80:2265 81:2119 82:3301 83:1497 84:1945 85:3506 86:1226 87:2385 88:1371 89:4505 90:791 91:8522 92:2842 93:2985 94:4259 95:4489 96:1502 97:311 98:955 99:726 100:71 101:1466 102:4545 103:32755 104:5301 105:1063 106:877 107:2657 108:1255 109:4246 110:2243 111:3593 112:2486 113:1868 114:1988 115:2294 116:2142 117:2705 118:3044 119:1955 120:2208 121:1349 122:2840 123:2481 124:1748 125:2911 126:91 128:1591 129:1009 130:1321 131:2166 132:789 133:459 134:1636 135:405 136:1491 137:1141 138:3012 139:1600 140:1622 141:1546 142:1931 143:2056 144:1212 145:603 146:2193 147:2115 148:2734 149:2961 150:1268 151:2437 152:2133 153:629 154:7604 155:1997 156:3211 157:1986 158:1479 159:2544 160:3679 161:1995 162:3926 163:2316 164:1923 165:2542 166:1563 167:2105 168:4072 169:791 170:5500 171:997 172:4284 173:3428 174:905 175:1347 176:3888 177:5456 178:4138 179:2520 180:2637 181:4345 182:3625 183:2360 184:2115 185:21910 186:5709 187:4897 188:4341 189:4528 190:9650 191:1847 192:11417 193:9543 194:7954 195:5778 196:3688 197:3789 198:6159 199:8667 200:8570 201:6511 202:10619 203:10854 204:4584 205:3657 206:4554 207:3543 208:4323 209:5209 210:4787 211:2677 212:4681 213:3894 214:1042 215:51 216:6881 217:3469 218:1461 219:421 220:2153 221:1211 222:748 223:2867 End of report