IPv4 R&E Routing Table Report 18:40 GMT Fri 17 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: 1022965 Prefixes after maximum aggregation (per Origin AS): 392686 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 497548 Number of IPv4 prefixes with a valid ROA: 588860 Number of IPv4 prefixes with an invalid ROA: 2448 Number of IPv4 prefixes with no ROA: 431657 Total ASes present in the Internet Routing Table: 77546 Prefixes per ASN: 13.19 Origin-only ASes present in the Internet Routing Table: 66448 Origin ASes announcing only one prefix: 27063 Transit ASes present in the Internet Routing Table: 11098 Transit-only ASes present in the Internet Routing Table: 561 Paths with bogon ASNs present in the IPv4 Routing Table: 248 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 91 Max AS path prepend of ASN (265605) 87 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 47739 Number of 32-bit ASNs visible in the Routing Table: 39215 Prefixes from 32-bit ASNs in the Routing Table: 215790 Number of bogon 32-bit ASNs visible in the Routing Table: 218 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 448 Number of addresses announced to Internet: 3113020160 Equivalent to 185 /8s, 140 /16s and 235 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 335736 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272786 Total APNIC prefixes after maximum aggregation: 80286 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 262224 Unique aggregates announced from the APNIC address blocks: 105717 APNIC Region origin ASes present in the Internet Routing Table: 14850 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 4511 APNIC Region transit ASes present in the Internet Routing Table: 1991 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10412 Number of APNIC addresses announced to Internet: 752053504 Equivalent to 44 /8s, 211 /16s and 109 /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: 301184 Total ARIN prefixes after maximum aggregation: 134891 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302281 Unique aggregates announced from the ARIN address blocks: 144472 ARIN Region origin ASes present in the Internet Routing Table: 19341 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7096 ARIN Region transit ASes present in the Internet Routing Table: 1977 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: 5377 Number of ARIN addresses announced to Internet: 1352958976 Equivalent to 80 /8s, 164 /16s and 132 /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: 285259 Total RIPE prefixes after maximum aggregation: 139293 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 285028 Unique aggregates announced from the RIPE address blocks: 181385 RIPE Region origin ASes present in the Internet Routing Table: 29140 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12102 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: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12799 Number of RIPE addresses announced to Internet: 733120768 Equivalent to 43 /8s, 178 /16s and 137 /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: 125467 Total LACNIC prefixes after maximum aggregation: 30434 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121535 Unique aggregates announced from the LACNIC address blocks: 49399 LACNIC Region origin ASes present in the Internet Routing Table: 11313 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2552 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 91 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9281 Number of LACNIC addresses announced to Internet: 170667520 Equivalent to 10 /8s, 44 /16s and 46 /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: 37227 Total AfriNIC prefixes after maximum aggregation: 7070 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 51449 Unique aggregates announced from the AfriNIC address blocks: 16182 AfriNIC Region origin ASes present in the Internet Routing Table: 1982 AfriNIC Prefixes per ASN: 25.96 AfriNIC Region origin ASes announcing only one prefix: 687 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: 1346 Number of AfriNIC addresses announced to Internet: 103964672 Equivalent to 6 /8s, 50 /16s and 96 /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 13848 8759 115 CHINAMOBILE-CN China Mobile Communication 7545 6180 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4370 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3978 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3713 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3314 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3163 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2934 863 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2541 518 1631 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 14362 41086 5382 AMAZON-02, US 11492 4762 321 793 CABLEONE, US 174 4739 8766 796 COGENT-174, US 22773 4270 3084 365 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3684 1320 82 SHAW, CA 396982 3272 4825 465 GOOGLE-CLOUD-PLATFORM, US 749 3219 54766 2470 DNIC-AS-00749, US 4155 3115 241 1748 USDA-1, US 16625 3039 1301 2212 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 7377 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4042 3395 127 AKAMAI-ASN1, NL 9009 4001 375 2253 M247, RO 12389 3144 2313 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2631 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2535 182 1842 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1721 205 1003 HOSTROYALE, IN 8452 1695 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 12383 3261 584 UNINET, MX 10620 3479 468 1087 Telmex Colombia S.A., CO 13999 2517 511 347 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1376 2435 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1272 371 23 Telefonica del Peru S.A.A., PE 11664 1241 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1064 71 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 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 1767 594 28 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 24863 1250 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1188 102 52 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1010 523 47 Vodafone-, EG 36914 574 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 14362 41086 5382 AMAZON-02, US 9808 13848 8759 115 CHINAMOBILE-CN China Mobile Communication 8151 12383 3261 584 UNINET, MX 12479 7377 1711 149 UNI2-AS, ES 7545 6180 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4762 321 793 CABLEONE, US 174 4739 8766 796 COGENT-174, US 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4370 347 25 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 13848 13733 CHINAMOBILE-CN China Mobile Communications Grou 8151 12383 11799 UNINET, MX 12479 7377 7228 UNI2-AS, ES 7545 6180 5581 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4370 4345 FPT-AS-AP FPT Telecom Company, VN 9498 4481 4166 BBIL-AP BHARTI Airtel Ltd., IN 11492 4762 3969 CABLEONE, US 7552 3978 3950 VIETEL-AS-AP Viettel Group, VN 174 4739 3943 COGENT-174, US 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 12025 IMDC-AS12025, 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: 53587 AZT, US 14.192.20.0/24 Origin: 53587 AZT, US 14.192.20.0/24 Transit: 49612 COGNITIVE-CLOUD-NET, RU 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 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 /14:1204 /15:2142 /16:13843 /17:8309 /18:13661 /19:24897 /20:45031 /21:52589 /22:113788 /23:106409 /24:640044 /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 6610 12383 UNINET, MX 12479 6345 7377 UNI2-AS, ES 11492 3576 4762 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3473 3684 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2649 4270 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2403 14362 AMAZON-02, US 30036 2307 2648 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2214 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) ---------------------------------------------- 1:2438 2:1680 3:942 4:10 5:5002 6:170 7:6 8:1543 9:6 11:172 12:1239 13:558 14:2656 15:403 16:302 17:390 18:908 20:597 21:4 22:188 23:8093 24:2608 25:2 27:2781 29:19 31:3451 32:34 33:1 34:88 35:280 36:4483 37:4601 38:10473 39:1113 40:480 41:4505 42:1944 43:2821 44:399 45:19316 46:5238 47:377 49:2129 50:2060 51:597 52:1618 54:354 55:1097 56:11 57:293 58:2292 59:1323 60:1195 61:3092 62:3096 63:1768 64:5828 65:2122 66:5604 67:3147 68:1476 69:4199 70:1044 71:630 72:3020 74:2863 75:1514 76:609 77:2794 78:1924 79:1750 80:2273 81:2146 82:3497 83:1532 84:2003 85:3569 86:1199 87:2395 88:1368 89:4544 90:815 91:8422 92:2883 93:2992 94:4261 95:4542 96:1515 97:312 98:950 99:754 100:71 101:1466 102:4562 103:32609 104:5472 105:1072 106:897 107:2798 108:1206 109:4246 110:2252 111:3823 112:2717 113:1878 114:2076 115:2334 116:2141 117:3020 118:3057 119:2023 120:2311 121:1504 122:2834 123:2441 124:1734 125:2902 126:125 128:1572 129:1002 130:1438 131:2174 132:788 133:461 134:1627 135:368 136:1497 137:1141 138:2824 139:1597 140:1644 141:1557 142:2169 143:2097 144:1304 145:629 146:2179 147:2145 148:2747 149:2994 150:1300 151:2651 152:2215 153:576 154:8142 155:2193 156:3215 157:2029 158:1447 159:2604 160:3642 161:2002 162:3958 163:2302 164:1969 165:2575 166:1568 167:2117 168:3823 169:787 170:5402 171:1061 172:4520 173:3436 174:906 175:1369 176:3818 177:4807 178:4328 179:2295 180:2793 181:4273 182:3748 183:2559 184:2104 185:21838 186:5384 187:4712 188:4417 189:4414 190:9778 191:1571 192:11427 193:9518 194:7931 195:5701 196:3611 197:3917 198:6118 199:8809 200:8069 201:6370 202:10547 203:10706 204:4623 205:3635 206:4409 207:3715 208:4315 209:5354 210:4722 211:2717 212:4913 213:3963 214:1031 215:52 216:7100 217:3508 218:1599 219:418 220:2201 221:1251 222:753 223:3126 End of report