IPv4 R&E Routing Table Report 18:40 GMT Wed 20 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: 1020911 Prefixes after maximum aggregation (per Origin AS): 387170 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 489768 Number of IPv4 prefixes with a valid ROA: 579564 Number of IPv4 prefixes with an invalid ROA: 2323 Number of IPv4 prefixes with no ROA: 439024 Total ASes present in the Internet Routing Table: 77376 Prefixes per ASN: 13.19 Origin-only ASes present in the Internet Routing Table: 66348 Origin ASes announcing only one prefix: 26610 Transit ASes present in the Internet Routing Table: 11028 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 124 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: 1155 Number of instances of unregistered ASNs: 1194 Number of 32-bit ASNs allocated by the RIRs: 47227 Number of 32-bit ASNs visible in the Routing Table: 38925 Prefixes from 32-bit ASNs in the Routing Table: 215906 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: 3108493568 Equivalent to 185 /8s, 71 /16s and 217 /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: 336426 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269013 Total APNIC prefixes after maximum aggregation: 78670 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 259909 Unique aggregates announced from the APNIC address blocks: 105229 APNIC Region origin ASes present in the Internet Routing Table: 14799 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 4505 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: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10339 Number of APNIC addresses announced to Internet: 750111744 Equivalent to 44 /8s, 181 /16s and 204 /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: 296089 Total ARIN prefixes after maximum aggregation: 133026 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298240 Unique aggregates announced from the ARIN address blocks: 141931 ARIN Region origin ASes present in the Internet Routing Table: 19284 ARIN Prefixes per ASN: 15.47 ARIN Region origin ASes announcing only one prefix: 7060 ARIN Region transit ASes present in the Internet Routing Table: 1963 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: 1349353728 Equivalent to 80 /8s, 109 /16s and 129 /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: 284361 Total RIPE prefixes after maximum aggregation: 137531 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 283232 Unique aggregates announced from the RIPE address blocks: 179019 RIPE Region origin ASes present in the Internet Routing Table: 29106 RIPE Prefixes per ASN: 9.73 RIPE Region origin ASes announcing only one prefix: 12077 RIPE Region transit ASes present in the Internet Routing Table: 4003 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: 732808448 Equivalent to 43 /8s, 173 /16s and 197 /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: 132627 Total LACNIC prefixes after maximum aggregation: 30184 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 128706 Unique aggregates announced from the LACNIC address blocks: 49207 LACNIC Region origin ASes present in the Internet Routing Table: 11285 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2307 LACNIC Region transit ASes present in the Internet Routing Table: 2529 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9250 Number of LACNIC addresses announced to Internet: 170777088 Equivalent to 10 /8s, 45 /16s and 218 /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: 37666 Total AfriNIC prefixes after maximum aggregation: 7005 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 50375 Unique aggregates announced from the AfriNIC address blocks: 13996 AfriNIC Region origin ASes present in the Internet Routing Table: 1963 AfriNIC Prefixes per ASN: 25.66 AfriNIC Region origin ASes announcing only one prefix: 661 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1329 Number of AfriNIC addresses announced to Internet: 105197312 Equivalent to 6 /8s, 69 /16s and 47 /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 12893 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4603 348 27 FPT-AS-AP FPT Telecom Company, VN 9498 4471 536 314 BBIL-AP BHARTI Airtel Ltd., IN 7552 3925 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3688 1043 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3312 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2967 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 13968 41110 5310 AMAZON-02, US 174 5105 8759 850 COGENT-174, US 11492 4741 314 780 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3646 1320 82 SHAW, CA 22773 3344 3033 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3218 3858 437 GOOGLE-CLOUD-PLATFORM, US 16625 3052 1291 2209 AKAMAI-AS, US 4155 2942 229 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 7553 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4033 3395 128 AKAMAI-ASN1, NL 9009 3878 367 2191 M247, RO 12389 3085 2303 849 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2623 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2404 361 585 TELLCOM-AS, TR 212238 2330 165 1698 CDNEXT, GB 203020 1721 219 809 HOSTROYALE, IN 8452 1605 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 12313 3270 573 UNINET, MX 10620 3484 472 1049 Telmex Colombia S.A., CO 13999 2530 511 349 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1372 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1220 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1185 371 22 Telefonica del Peru S.A.A., PE 22884 1060 70 379 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 973 521 43 Vodafone-, EG 36914 575 82 3 KENET-AS, KE 3741 564 725 321 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 13968 41110 5310 AMAZON-02, US 9808 12893 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12313 3270 573 UNINET, MX 12479 7553 1711 149 UNI2-AS, ES 7545 6134 838 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5105 8759 850 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4741 314 780 CABLEONE, US 18403 4603 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 12893 12782 CHINAMOBILE-CN China Mobile Communications Grou 8151 12313 11740 UNINET, MX 12479 7553 7404 UNI2-AS, ES 7545 6134 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4603 4576 FPT-AS-AP FPT Telecom Company, VN 174 5105 4255 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4741 3961 CABLEONE, US 20940 4033 3905 AKAMAI-ASN1, NL 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 /15:2175 /16:13896 /17:8382 /18:13792 /19:24861 /20:44986 /21:53020 /22:114209 /23:108693 /24:634641 /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 6514 7553 UNI2-AS, ES 8151 6490 12313 UNINET, MX 11492 3555 4741 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3444 3646 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2497 3344 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2382 13968 AMAZON-02, US 30036 2310 2653 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2204 3484 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) ---------------------------------------------- 1:2445 2:1650 3:912 4:9 5:5180 6:158 7:6 8:1560 9:4 11:172 12:1255 13:452 14:2596 15:380 16:285 17:382 18:908 20:583 21:4 22:188 23:7881 24:2803 25:2 27:2863 29:19 31:3513 32:37 33:1 34:88 35:264 36:4294 37:4637 38:10528 39:996 40:266 41:4457 42:2081 43:2764 44:389 45:19552 46:5200 47:340 49:1998 50:2053 51:592 52:1562 54:330 55:1097 56:11 57:294 58:2256 59:1337 60:1184 61:3089 62:3067 63:1799 64:5659 65:2168 66:4895 67:3150 68:1099 69:4046 70:1047 71:641 72:2975 74:2850 75:1527 76:607 77:2887 78:1925 79:1741 80:2261 81:2114 82:3282 83:1500 84:1943 85:3477 86:1225 87:2406 88:1373 89:4516 90:776 91:8515 92:2836 93:2991 94:4266 95:4489 96:1499 97:310 98:954 99:704 100:71 101:1465 102:4509 103:32759 104:5302 105:1061 106:876 107:2645 108:1281 109:4229 110:2249 111:3581 112:2472 113:1882 114:1990 115:2298 116:2141 117:2702 118:3064 119:1948 120:2203 121:1348 122:2842 123:2485 124:1744 125:2901 126:91 128:1620 129:1007 130:1326 131:2163 132:784 133:451 134:1641 135:402 136:1489 137:1136 138:3037 139:1596 140:1627 141:1543 142:1944 143:2058 144:1212 145:605 146:2197 147:2116 148:2728 149:3068 150:1269 151:2431 152:2132 153:592 154:7526 155:1908 156:3042 157:1983 158:1391 159:2530 160:3698 161:1963 162:3923 163:2304 164:1920 165:2507 166:1551 167:2087 168:4079 169:781 170:5477 171:1003 172:4284 173:3422 174:906 175:1345 176:3848 177:5390 178:4123 179:2544 180:2634 181:4340 182:3605 183:2386 184:2118 185:21912 186:5684 187:4808 188:4331 189:4525 190:9762 191:1711 192:11410 193:9541 194:7953 195:5744 196:3683 197:3782 198:6144 199:8669 200:8538 201:6540 202:10592 203:10862 204:4595 205:3632 206:4554 207:3532 208:4325 209:5177 210:4788 211:2675 212:4666 213:3893 214:1038 215:51 216:6849 217:3470 218:1456 219:422 220:2147 221:1213 222:742 223:2867 End of report