IPv4 R&E Routing Table Report 18:40 GMT Wed 30 Jul, 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: 1009853 Prefixes after maximum aggregation (per Origin AS): 384043 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 488127 Number of IPv4 prefixes with a valid ROA: 569753 Number of IPv4 prefixes with an invalid ROA: 542 Number of IPv4 prefixes with no ROA: 439558 Total ASes present in the Internet Routing Table: 77128 Prefixes per ASN: 13.09 Origin-only ASes present in the Internet Routing Table: 66049 Origin ASes announcing only one prefix: 26584 Transit ASes present in the Internet Routing Table: 11079 Transit-only ASes present in the Internet Routing Table: 563 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 57 Max AS path prepend of ASN ( 37447) 54 Prefixes from unregistered ASNs in the Routing Table: 1201 Number of instances of unregistered ASNs: 1251 Number of 32-bit ASNs allocated by the RIRs: 46974 Number of 32-bit ASNs visible in the Routing Table: 38701 Prefixes from 32-bit ASNs in the Routing Table: 212726 Number of bogon 32-bit ASNs visible in the Routing Table: 125 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 468 Number of addresses announced to Internet: 3107701504 Equivalent to 185 /8s, 59 /16s and 195 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 332003 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 264391 Total APNIC prefixes after maximum aggregation: 77941 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 255456 Unique aggregates announced from the APNIC address blocks: 105084 APNIC Region origin ASes present in the Internet Routing Table: 14701 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4479 APNIC Region transit ASes present in the Internet Routing Table: 1968 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10258 Number of APNIC addresses announced to Internet: 749444864 Equivalent to 44 /8s, 171 /16s and 159 /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: 295009 Total ARIN prefixes after maximum aggregation: 132133 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 296655 Unique aggregates announced from the ARIN address blocks: 141325 ARIN Region origin ASes present in the Internet Routing Table: 19233 ARIN Prefixes per ASN: 15.42 ARIN Region origin ASes announcing only one prefix: 7038 ARIN Region transit ASes present in the Internet Routing Table: 1982 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5262 Number of ARIN addresses announced to Internet: 1349152000 Equivalent to 80 /8s, 106 /16s and 109 /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: 279673 Total RIPE prefixes after maximum aggregation: 136428 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 278345 Unique aggregates announced from the RIPE address blocks: 178220 RIPE Region origin ASes present in the Internet Routing Table: 29023 RIPE Prefixes per ASN: 9.59 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3998 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12628 Number of RIPE addresses announced to Internet: 732404992 Equivalent to 43 /8s, 167 /16s and 157 /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: 132415 Total LACNIC prefixes after maximum aggregation: 29793 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 128717 Unique aggregates announced from the LACNIC address blocks: 49128 LACNIC Region origin ASes present in the Internet Routing Table: 11266 LACNIC Prefixes per ASN: 11.43 LACNIC Region origin ASes announcing only one prefix: 2328 LACNIC Region transit ASes present in the Internet Routing Table: 2553 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9235 Number of LACNIC addresses announced to Internet: 171223552 Equivalent to 10 /8s, 52 /16s and 170 /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: 37164 Total AfriNIC prefixes after maximum aggregation: 6989 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 50212 Unique aggregates announced from the AfriNIC address blocks: 13987 AfriNIC Region origin ASes present in the Internet Routing Table: 1956 AfriNIC Prefixes per ASN: 25.67 AfriNIC Region origin ASes announcing only one prefix: 678 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1318 Number of AfriNIC addresses announced to Internet: 105223168 Equivalent to 6 /8s, 69 /16s and 148 /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 12332 8759 112 CHINAMOBILE-CN China Mobile Communication 7545 6133 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4530 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 7552 3900 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3685 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3291 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2910 863 518 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2888 811 177 CMNET-JIANGSU-AP China Mobile communicati 4755 2172 427 181 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 13665 40975 5280 AMAZON-02, US 174 5289 8770 861 COGENT-174, US 11492 4821 319 607 CABLEONE, US 7155 3855 286 85 VIASAT-SP-BACKBONE, US 6327 3634 1320 82 SHAW, CA 22773 3339 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3199 3856 433 GOOGLE-CLOUD-PLATFORM, US 16625 3028 1282 2218 AKAMAI-AS, US 4155 2889 219 1735 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 7586 1712 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3998 3395 128 AKAMAI-ASN1, NL 9009 3825 363 2136 M247, RO 12389 3116 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2400 361 583 TELLCOM-AS, TR 212238 2323 165 1690 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1583 1852 14 TE-AS TE-AS, EG 203020 1523 191 672 HOSTROYALE, IN 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 12359 3276 576 UNINET, MX 10620 3480 473 1036 Telmex Colombia S.A., CO 13999 2522 511 354 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1371 2435 269 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1209 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1189 371 22 Telefonica del Peru S.A.A., PE 22884 1073 68 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1019 373 162 Axtel, S.A.B. de C.V., MX 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 1717 660 28 RAYA-AS, EG 29571 1604 102 51 ORANGE-COTE-IVOIRE, CI 36992 1322 1490 355 ETISALAT-MISR, EG 20011 1298 204 345 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 24863 1231 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 899 520 43 Vodafone-, EG 36914 574 82 3 KENET-AS, KE 3741 563 661 320 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 13665 40975 5280 AMAZON-02, US 8151 12359 3276 576 UNINET, MX 9808 12332 8759 112 CHINAMOBILE-CN China Mobile Communication 12479 7586 1712 148 UNI2-AS, ES 7545 6133 837 619 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5289 8770 861 COGENT-174, US 11492 4821 319 607 CABLEONE, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 18403 4530 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 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 12332 12220 CHINAMOBILE-CN China Mobile Communications Grou 8151 12359 11783 UNINET, MX 12479 7586 7438 UNI2-AS, ES 7545 6133 5514 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4530 4505 FPT-AS-AP FPT Telecom Company, VN 174 5289 4428 COGENT-174, US 11492 4821 4214 CABLEONE, US 9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN 7552 3900 3873 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 46639 UNALLOCATED 8.38.73.0/24 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 23.147.224.0/24 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 /12:298 /13:581 /14:1214 /15:2173 /16:13862 /17:8298 /18:13679 /19:24735 /20:44587 /21:52548 /22:113171 /23:107033 /24:627511 /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 6546 12359 UNINET, MX 12479 6537 7586 UNI2-AS, ES 11492 3613 4821 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3432 3634 SHAW, CA 7155 2814 3855 VIASAT-SP-BACKBONE, US 22773 2492 3339 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2357 13665 AMAZON-02, US 30036 2288 2629 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2196 3480 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) ---------------------------------------------- 1:2429 2:1523 3:848 4:10 5:5005 6:163 7:6 8:1573 9:1 11:172 12:1341 13:456 14:2575 15:368 16:286 17:377 18:899 20:567 21:4 22:188 23:7789 24:2819 25:2 27:2805 29:19 31:3384 32:43 33:1 34:84 35:258 36:4042 37:4581 38:10625 39:947 40:247 41:4430 42:2020 43:2713 44:380 45:19422 46:5127 47:336 49:1932 50:2014 51:592 52:1555 54:325 55:1103 56:11 57:283 58:2183 59:1337 60:1171 61:2924 62:3025 63:1802 64:5582 65:2165 66:4843 67:3149 68:1095 69:4050 70:1043 71:630 72:2940 74:2829 75:1523 76:608 77:2864 78:1900 79:1707 80:2216 81:2076 82:3192 83:1437 84:1893 85:3481 86:1094 87:2384 88:1324 89:4441 90:778 91:8505 92:2728 93:2959 94:4080 95:4425 96:1502 97:310 98:955 99:694 100:71 101:1439 102:4308 103:32351 104:5250 105:1079 106:969 107:2662 108:1273 109:4226 110:2231 111:3379 112:2342 113:1866 114:1967 115:2275 116:2112 117:2631 118:2914 119:1935 120:2191 121:1333 122:2817 123:2358 124:1679 125:2882 126:91 128:1608 129:993 130:1329 131:2140 132:782 133:450 134:1606 135:397 136:1467 137:1144 138:3011 139:1582 140:1624 141:1518 142:1938 143:1998 144:1166 145:571 146:2188 147:2099 148:2737 149:2989 150:1285 151:2255 152:2093 153:590 154:7928 155:1870 156:3113 157:1950 158:1362 159:2516 160:3662 161:1934 162:3879 163:2261 164:1907 165:2445 166:1535 167:2034 168:4142 169:792 170:5362 171:997 172:4249 173:3417 174:917 175:1324 176:3787 177:5361 178:4018 179:2491 180:2621 181:4290 182:3534 183:2274 184:2119 185:21787 186:5577 187:4909 188:4287 189:4542 190:9847 191:1598 192:11326 193:9517 194:7853 195:5677 196:3665 197:3719 198:6146 199:8621 200:8608 201:6523 202:10451 203:10727 204:4650 205:3603 206:4509 207:3527 208:4291 209:5180 210:4727 211:2605 212:4593 213:3842 214:1026 215:48 216:6810 217:3263 218:1392 219:406 220:2145 221:1205 222:734 223:2769 End of report