IPv4 R&E Routing Table Report 18:40 GMT Wed 03 Sep, 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: 1023916 Prefixes after maximum aggregation (per Origin AS): 388470 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 491869 Number of IPv4 prefixes with a valid ROA: 584011 Number of IPv4 prefixes with an invalid ROA: 2626 Number of IPv4 prefixes with no ROA: 437279 Total ASes present in the Internet Routing Table: 77409 Prefixes per ASN: 13.23 Origin-only ASes present in the Internet Routing Table: 66389 Origin ASes announcing only one prefix: 26623 Transit ASes present in the Internet Routing Table: 11020 Transit-only ASes present in the Internet Routing Table: 555 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: 1145 Number of instances of unregistered ASNs: 1184 Number of 32-bit ASNs allocated by the RIRs: 47312 Number of 32-bit ASNs visible in the Routing Table: 38985 Prefixes from 32-bit ASNs in the Routing Table: 217130 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: 463 Number of addresses announced to Internet: 3109213440 Equivalent to 185 /8s, 82 /16s and 213 /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: 337257 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269958 Total APNIC prefixes after maximum aggregation: 79073 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 260192 Unique aggregates announced from the APNIC address blocks: 105264 APNIC Region origin ASes present in the Internet Routing Table: 14787 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 4483 APNIC Region transit ASes present in the Internet Routing Table: 1971 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: 10345 Number of APNIC addresses announced to Internet: 750683392 Equivalent to 44 /8s, 190 /16s and 133 /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: 297304 Total ARIN prefixes after maximum aggregation: 133405 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 299477 Unique aggregates announced from the ARIN address blocks: 142263 ARIN Region origin ASes present in the Internet Routing Table: 19300 ARIN Prefixes per ASN: 15.52 ARIN Region origin ASes announcing only one prefix: 7056 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: 5324 Number of ARIN addresses announced to Internet: 1349902080 Equivalent to 80 /8s, 117 /16s and 223 /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: 284974 Total RIPE prefixes after maximum aggregation: 138002 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 283919 Unique aggregates announced from the RIPE address blocks: 179420 RIPE Region origin ASes present in the Internet Routing Table: 29113 RIPE Prefixes per ASN: 9.75 RIPE Region origin ASes announcing only one prefix: 12087 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 12717 Number of RIPE addresses announced to Internet: 732627200 Equivalent to 43 /8s, 171 /16s and 1 /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: 132412 Total LACNIC prefixes after maximum aggregation: 30236 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 128448 Unique aggregates announced from the LACNIC address blocks: 49400 LACNIC Region origin ASes present in the Internet Routing Table: 11298 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 2335 LACNIC Region transit ASes present in the Internet Routing Table: 2528 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: 170832128 Equivalent to 10 /8s, 46 /16s and 177 /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: 38123 Total AfriNIC prefixes after maximum aggregation: 7001 AfriNIC Deaggregation factor: 5.45 Prefixes being announced from the AfriNIC address blocks: 51417 Unique aggregates announced from the AfriNIC address blocks: 15120 AfriNIC Region origin ASes present in the Internet Routing Table: 1976 AfriNIC Prefixes per ASN: 26.02 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 389 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: 1339 Number of AfriNIC addresses announced to Internet: 104919552 Equivalent to 6 /8s, 64 /16s and 242 /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 12920 8759 111 CHINAMOBILE-CN China Mobile Communication 7545 6135 838 613 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 3935 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3684 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3315 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 2975 811 177 CMNET-JIANGSU-AP China Mobile communicati 24560 2920 864 507 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 14234 40859 5342 AMAZON-02, US 174 5012 8760 847 COGENT-174, US 11492 4750 315 797 CABLEONE, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3657 1320 82 SHAW, CA 22773 3359 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 3062 1300 2214 AKAMAI-AS, US 4155 2980 232 1741 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 7494 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4038 3395 128 AKAMAI-ASN1, NL 9009 3897 367 2197 M247, RO 12389 3125 2315 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2627 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2405 361 586 TELLCOM-AS, TR 212238 2390 170 1735 CDNEXT, GB 203020 1889 226 869 HOSTROYALE, IN 8452 1611 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 12358 3273 570 UNINET, MX 10620 3487 473 1049 Telmex Colombia S.A., CO 13999 2532 511 347 Mega Cable, S.A. de C.V., MX 11830 1981 369 64 Instituto Costarricense de Electricidad y 28573 1373 2435 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1214 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1177 371 22 Telefonica del Peru S.A.A., PE 22884 1061 70 374 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 1792 652 28 RAYA-AS, EG 36992 1429 1495 377 ETISALAT-MISR, EG 29571 1371 102 38 ORANGE-COTE-IVOIRE, CI 20011 1319 204 345 INTERNET-SOLUTIONS, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1245 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 1048 521 43 Vodafone-, EG 36914 581 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 14234 40859 5342 AMAZON-02, US 9808 12920 8759 111 CHINAMOBILE-CN China Mobile Communication 8151 12358 3273 570 UNINET, MX 12479 7494 1711 150 UNI2-AS, ES 7545 6135 838 613 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5012 8760 847 COGENT-174, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4750 315 797 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 12920 12809 CHINAMOBILE-CN China Mobile Communications Grou 8151 12358 11788 UNINET, MX 12479 7494 7344 UNI2-AS, ES 7545 6135 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4381 4355 FPT-AS-AP FPT Telecom Company, VN 174 5012 4165 COGENT-174, US 9498 4471 4157 BBIL-AP BHARTI Airtel Ltd., IN 11492 4750 3953 CABLEONE, US 20940 4038 3910 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 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 23.144.196.0/24 Origin: 47689 PUDU Main public network, US 23.144.196.0/24 Transit: 395823 DOOF, 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 /14:1215 /15:2174 /16:13871 /17:8345 /18:13764 /19:24869 /20:45314 /21:53134 /22:114394 /23:108883 /24:636911 /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 6529 12358 UNINET, MX 12479 6444 7494 UNI2-AS, ES 11492 3564 4750 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3455 3657 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2511 3359 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2405 14234 AMAZON-02, US 30036 2321 2664 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2207 3487 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 2:1664 3:919 4:10 5:5207 6:155 7:6 8:1564 9:4 11:172 12:1255 13:530 14:2614 15:397 16:302 17:389 18:905 20:587 21:4 22:188 23:7931 24:2811 25:2 27:2862 29:19 31:3495 32:37 33:1 34:88 35:267 36:4295 37:4594 38:10504 39:1002 40:265 41:4501 42:1944 43:2776 44:386 45:19694 46:5218 47:346 49:2033 50:2068 51:592 52:1602 54:366 55:1105 56:11 57:295 58:2256 59:1329 60:1187 61:3087 62:3084 63:1798 64:5685 65:2161 66:4922 67:3147 68:1100 69:4061 70:1047 71:639 72:2987 74:2855 75:1526 76:606 77:2895 78:1934 79:1754 80:2261 81:2116 82:3305 83:1505 84:1969 85:3514 86:1219 87:2382 88:1370 89:4521 90:803 91:8514 92:2845 93:2984 94:4280 95:4473 96:1505 97:311 98:951 99:730 100:71 101:1468 102:4625 103:32787 104:5349 105:1071 106:876 107:2657 108:1251 109:4238 110:2241 111:3588 112:2484 113:1869 114:1991 115:2294 116:2131 117:2703 118:3044 119:1954 120:2215 121:1358 122:2842 123:2497 124:1751 125:2908 126:91 128:1596 129:1009 130:1321 131:2247 132:791 133:459 134:1653 135:412 136:1498 137:1145 138:3011 139:1596 140:1633 141:1559 142:1935 143:2114 144:1246 145:624 146:2182 147:2128 148:2730 149:2976 150:1263 151:2401 152:2136 153:629 154:7685 155:1982 156:3358 157:1981 158:1406 159:2557 160:3695 161:1974 162:3932 163:2319 164:1949 165:2552 166:1565 167:2092 168:4034 169:792 170:5490 171:998 172:4289 173:3439 174:908 175:1356 176:3889 177:5403 178:4166 179:2509 180:2633 181:4354 182:3664 183:2363 184:2115 185:21903 186:5717 187:4878 188:4339 189:4538 190:9726 191:1633 192:11436 193:9545 194:7952 195:5770 196:3684 197:3920 198:6152 199:8696 200:8539 201:6533 202:10628 203:10862 204:4588 205:3660 206:4588 207:3542 208:4320 209:5215 210:4789 211:2675 212:4695 213:3902 214:1043 215:51 216:6888 217:3460 218:1501 219:421 220:2158 221:1211 222:749 223:2867 End of report