IPv4 R&E Routing Table Report 18:40 GMT Wed 08 Oct, 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: 1018898 Prefixes after maximum aggregation (per Origin AS): 391424 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 496081 Number of IPv4 prefixes with a valid ROA: 584128 Number of IPv4 prefixes with an invalid ROA: 2398 Number of IPv4 prefixes with no ROA: 432372 Total ASes present in the Internet Routing Table: 77480 Prefixes per ASN: 13.15 Origin-only ASes present in the Internet Routing Table: 66380 Origin ASes announcing only one prefix: 27016 Transit ASes present in the Internet Routing Table: 11100 Transit-only ASes present in the Internet Routing Table: 561 Paths with bogon ASNs present in the IPv4 Routing Table: 166 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 56 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 1121 Number of instances of unregistered ASNs: 1172 Number of 32-bit ASNs allocated by the RIRs: 47637 Number of 32-bit ASNs visible in the Routing Table: 39140 Prefixes from 32-bit ASNs in the Routing Table: 213969 Number of bogon 32-bit ASNs visible in the Routing Table: 136 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 480 Number of addresses announced to Internet: 3111656448 Equivalent to 185 /8s, 120 /16s and 28 /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: 333875 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271605 Total APNIC prefixes after maximum aggregation: 79837 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 261353 Unique aggregates announced from the APNIC address blocks: 105603 APNIC Region origin ASes present in the Internet Routing Table: 14832 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 4507 APNIC Region transit ASes present in the Internet Routing Table: 1986 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10391 Number of APNIC addresses announced to Internet: 751506688 Equivalent to 44 /8s, 203 /16s and 21 /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: 298423 Total ARIN prefixes after maximum aggregation: 134499 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 300132 Unique aggregates announced from the ARIN address blocks: 143549 ARIN Region origin ASes present in the Internet Routing Table: 19314 ARIN Prefixes per ASN: 15.54 ARIN Region origin ASes announcing only one prefix: 7087 ARIN Region transit ASes present in the Internet Routing Table: 1972 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5349 Number of ARIN addresses announced to Internet: 1352419840 Equivalent to 80 /8s, 156 /16s and 74 /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: 285131 Total RIPE prefixes after maximum aggregation: 138929 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 284402 Unique aggregates announced from the RIPE address blocks: 180990 RIPE Region origin ASes present in the Internet Routing Table: 29114 RIPE Prefixes per ASN: 9.77 RIPE Region origin ASes announcing only one prefix: 12081 RIPE Region transit ASes present in the Internet Routing Table: 4009 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12780 Number of RIPE addresses announced to Internet: 732733440 Equivalent to 43 /8s, 172 /16s and 160 /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: 125357 Total LACNIC prefixes after maximum aggregation: 30373 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 121531 Unique aggregates announced from the LACNIC address blocks: 49390 LACNIC Region origin ASes present in the Internet Routing Table: 11311 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2546 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9279 Number of LACNIC addresses announced to Internet: 170757632 Equivalent to 10 /8s, 45 /16s and 142 /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: 37261 Total AfriNIC prefixes after maximum aggregation: 7043 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 51000 Unique aggregates announced from the AfriNIC address blocks: 16126 AfriNIC Region origin ASes present in the Internet Routing Table: 1975 AfriNIC Prefixes per ASN: 25.82 AfriNIC Region origin ASes announcing only one prefix: 684 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: 56 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1341 Number of AfriNIC addresses announced to Internet: 103981824 Equivalent to 6 /8s, 50 /16s and 163 /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 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4573 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3949 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3737 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3320 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3116 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2930 863 500 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2455 511 1582 HUTCHISON-AS-AP HGC Global Communications 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 14317 40994 5382 AMAZON-02, US 174 4892 8767 806 COGENT-174, US 11492 4754 321 796 CABLEONE, US 22773 4020 3068 359 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3681 1320 82 SHAW, CA 396982 3271 4824 463 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3106 241 1725 USDA-1, US 16625 3045 1302 2214 AKAMAI-AS, 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 7422 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4051 3395 127 AKAMAI-ASN1, NL 9009 3985 374 2246 M247, RO 12389 3141 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2631 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2474 177 1791 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 2038 223 1001 HOSTROYALE, IN 8452 1660 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 12379 3282 574 UNINET, MX 10620 3479 468 1089 Telmex Colombia S.A., CO 13999 2543 511 346 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1227 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1179 371 23 Telefonica del Peru S.A.A., PE 22884 1070 71 349 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 2486 56 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 1765 600 27 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1249 389 20 LINKdotNET-AS, EG 29571 1190 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 958 523 47 Vodafone-, EG 36914 573 82 3 KENET-AS, KE 3741 567 725 321 NTT-DATA-Inc, 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 14317 40994 5382 AMAZON-02, US 9808 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12379 3282 574 UNINET, MX 12479 7422 1711 149 UNI2-AS, ES 7545 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4892 8767 806 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4754 321 796 CABLEONE, US 18403 4573 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 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 13677 13564 CHINAMOBILE-CN China Mobile Communications Grou 8151 12379 11805 UNINET, MX 12479 7422 7273 UNI2-AS, ES 7545 6178 5579 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4573 4547 FPT-AS-AP FPT Telecom Company, VN 9498 4474 4159 BBIL-AP BHARTI Airtel Ltd., IN 174 4892 4086 COGENT-174, US 11492 4754 3958 CABLEONE, US 20940 4051 3924 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 210537 UNALLOCATED 5.83.148.0/24 215828 TMW-GLOBAL-NETWORKS TMW 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 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, 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 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 /11:93 /12:301 /13:583 /14:1203 /15:2142 /16:13842 /17:8308 /18:13666 /19:24867 /20:45080 /21:52611 /22:113621 /23:106093 /24:636417 /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 6604 12379 UNINET, MX 12479 6386 7422 UNI2-AS, ES 11492 3567 4754 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3471 3681 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2529 4020 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2402 14317 AMAZON-02, US 30036 2294 2634 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2213 3479 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) ---------------------------------------------- 1:2450 2:1676 3:938 4:10 5:4986 6:170 7:6 8:1555 9:6 11:172 12:1243 13:566 14:2647 15:402 16:304 17:389 18:907 20:594 21:4 22:188 23:7995 24:2699 25:2 27:2786 29:19 31:3473 32:34 33:1 34:88 35:271 36:4458 37:4600 38:10598 39:1095 40:477 41:4528 42:2053 43:2780 44:393 45:19085 46:5249 47:348 49:2073 50:2061 51:596 52:1594 54:360 55:1092 56:11 57:292 58:2279 59:1330 60:1194 61:3092 62:3099 63:1782 64:5695 65:2142 66:5046 67:3130 68:1109 69:4030 70:1054 71:647 72:3015 74:2869 75:1509 76:609 77:2805 78:1923 79:1752 80:2272 81:2123 82:3476 83:1521 84:2003 85:3540 86:1198 87:2399 88:1367 89:4536 90:815 91:8426 92:2879 93:2988 94:4276 95:4526 96:1513 97:312 98:953 99:741 100:71 101:1465 102:4513 103:32636 104:5478 105:1072 106:895 107:2671 108:1212 109:4245 110:2251 111:3770 112:2662 113:1890 114:1992 115:2340 116:2131 117:2945 118:3075 119:2010 120:2270 121:1372 122:2836 123:2441 124:1735 125:2907 126:125 128:1576 129:1001 130:1339 131:2152 132:785 133:462 134:1613 135:368 136:1497 137:1133 138:2823 139:1609 140:1648 141:1547 142:2063 143:2056 144:1287 145:628 146:2182 147:2141 148:2756 149:2969 150:1288 151:2600 152:2172 153:574 154:7724 155:2099 156:3319 157:2024 158:1442 159:2602 160:3637 161:2000 162:3963 163:2301 164:1964 165:2577 166:1567 167:2107 168:3853 169:786 170:5383 171:1025 172:4492 173:3419 174:910 175:1371 176:3861 177:4800 178:4293 179:2308 180:2656 181:4264 182:3725 183:2555 184:2105 185:21851 186:5404 187:4712 188:4416 189:4391 190:9728 191:1547 192:11411 193:9505 194:7915 195:5713 196:3600 197:3918 198:6104 199:8793 200:8092 201:6354 202:10551 203:10712 204:4597 205:3643 206:4430 207:3573 208:4344 209:5327 210:4748 211:2712 212:4864 213:3935 214:1042 215:52 216:6970 217:3497 218:1588 219:414 220:2194 221:1235 222:753 223:3072 End of report