IPv4 R&E Routing Table Report 18:40 GMT Fri 24 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: 1021153 Prefixes after maximum aggregation (per Origin AS): 393395 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 498185 Number of IPv4 prefixes with a valid ROA: 587151 Number of IPv4 prefixes with an invalid ROA: 2159 Number of IPv4 prefixes with no ROA: 431843 Total ASes present in the Internet Routing Table: 77544 Prefixes per ASN: 13.17 Origin-only ASes present in the Internet Routing Table: 66441 Origin ASes announcing only one prefix: 27074 Transit ASes present in the Internet Routing Table: 11103 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 142 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: 1027 Number of instances of unregistered ASNs: 1079 Number of 32-bit ASNs allocated by the RIRs: 47797 Number of 32-bit ASNs visible in the Routing Table: 39238 Prefixes from 32-bit ASNs in the Routing Table: 215757 Number of bogon 32-bit ASNs visible in the Routing Table: 139 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 431 Number of addresses announced to Internet: 3112392448 Equivalent to 185 /8s, 131 /16s and 87 /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: 334282 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272520 Total APNIC prefixes after maximum aggregation: 80704 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 261695 Unique aggregates announced from the APNIC address blocks: 105775 APNIC Region origin ASes present in the Internet Routing Table: 14849 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 4522 APNIC Region transit ASes present in the Internet Routing Table: 1984 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: 10413 Number of APNIC addresses announced to Internet: 751864576 Equivalent to 44 /8s, 208 /16s and 139 /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: 302024 Total ARIN prefixes after maximum aggregation: 135174 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 302801 Unique aggregates announced from the ARIN address blocks: 144638 ARIN Region origin ASes present in the Internet Routing Table: 19358 ARIN Prefixes per ASN: 15.64 ARIN Region origin ASes announcing only one prefix: 7101 ARIN Region transit ASes present in the Internet Routing Table: 1976 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: 5387 Number of ARIN addresses announced to Internet: 1352372224 Equivalent to 80 /8s, 155 /16s and 144 /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: 282550 Total RIPE prefixes after maximum aggregation: 139307 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 282619 Unique aggregates announced from the RIPE address blocks: 181602 RIPE Region origin ASes present in the Internet Routing Table: 29127 RIPE Prefixes per ASN: 9.70 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 4019 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: 12802 Number of RIPE addresses announced to Internet: 733335552 Equivalent to 43 /8s, 181 /16s and 208 /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: 125507 Total LACNIC prefixes after maximum aggregation: 30444 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121598 Unique aggregates announced from the LACNIC address blocks: 49442 LACNIC Region origin ASes present in the Internet Routing Table: 11320 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2566 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: 9292 Number of LACNIC addresses announced to Internet: 170705920 Equivalent to 10 /8s, 44 /16s and 196 /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: 37525 Total AfriNIC prefixes after maximum aggregation: 7066 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 52009 Unique aggregates announced from the AfriNIC address blocks: 16352 AfriNIC Region origin ASes present in the Internet Routing Table: 1981 AfriNIC Prefixes per ASN: 26.25 AfriNIC Region origin ASes announcing only one prefix: 684 AfriNIC Region transit ASes present in the Internet Routing Table: 383 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: 1344 Number of AfriNIC addresses announced to Internet: 103890944 Equivalent to 6 /8s, 49 /16s and 64 /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 13308 8730 117 CHINAMOBILE-CN China Mobile Communication 7545 6128 834 591 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4483 537 316 BBIL-AP BHARTI Airtel Ltd., IN 18403 4381 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3984 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3743 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3319 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3234 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2937 863 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2510 515 1607 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 14370 41104 5388 AMAZON-02, US 11492 4772 316 803 CABLEONE, US 174 4716 8766 829 COGENT-174, US 22773 4281 3068 367 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3860 286 85 VIASAT-SP-BACKBONE, US 6327 3686 1320 82 SHAW, CA 396982 3277 4825 468 GOOGLE-CLOUD-PLATFORM, US 749 3217 54766 2468 DNIC-AS-00749, US 4155 3130 243 1750 USDA-1, US 16625 3012 1287 2198 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 7352 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4040 379 2287 M247, RO 20940 4027 3395 127 AKAMAI-ASN1, NL 12389 3151 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2503 177 1812 CDNEXT, GB 34984 2416 363 577 TELLCOM-AS, TR 203020 1722 205 1005 HOSTROYALE, IN 8452 1681 1852 13 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 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 12434 3271 579 UNINET, MX 10620 3456 463 1099 Telmex Colombia S.A., CO 13999 2510 510 349 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1280 371 23 Telefonica del Peru S.A.A., PE 11664 1250 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1063 71 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1024 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 1925 630 32 RAYA-AS, EG 36992 1513 1498 386 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 24863 1263 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 36935 1101 521 44 Vodafone-, EG 37069 1085 1096 13 MOBINIL, EG 36914 578 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 14370 41104 5388 AMAZON-02, US 9808 13308 8730 117 CHINAMOBILE-CN China Mobile Communication 8151 12434 3271 579 UNINET, MX 12479 7352 1711 149 UNI2-AS, ES 7545 6128 834 591 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4772 316 803 CABLEONE, US 174 4716 8766 829 COGENT-174, US 9498 4483 537 316 BBIL-AP BHARTI Airtel Ltd., IN 18403 4381 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 13308 13191 CHINAMOBILE-CN China Mobile Communications Grou 8151 12434 11855 UNINET, MX 12479 7352 7203 UNI2-AS, ES 7545 6128 5537 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4381 4356 FPT-AS-AP FPT Telecom Company, VN 9498 4483 4167 BBIL-AP BHARTI Airtel Ltd., IN 11492 4772 3969 CABLEONE, US 7552 3984 3956 VIETEL-AS-AP Viettel Group, VN 22773 4281 3914 ASN-CXA-ALL-CCI-22773-RDC, 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 6461 ZAYO-6461, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 12025 IMDC-AS12025, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, 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 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /14:1202 /15:2138 /16:13828 /17:8272 /18:13656 /19:24894 /20:44990 /21:52480 /22:113534 /23:105624 /24:639487 /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 6653 12434 UNINET, MX 12479 6311 7352 UNI2-AS, ES 11492 3586 4772 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3474 3686 SHAW, CA 7155 2819 3860 VIASAT-SP-BACKBONE, US 22773 2627 4281 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2428 14370 AMAZON-02, US 30036 2295 2637 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2211 3456 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) ---------------------------------------------- 1:2451 2:1568 3:947 4:10 5:4912 6:170 7:6 8:1539 9:6 11:172 12:1240 13:544 14:2659 15:403 16:303 17:390 18:907 20:599 21:4 22:188 23:8130 24:2621 25:2 27:2776 29:19 31:3363 32:34 33:1 34:88 35:279 36:4506 37:4565 38:10587 39:1103 40:480 41:4511 42:1942 43:2817 44:400 45:19345 46:5238 47:382 49:2147 50:2055 51:598 52:1630 54:356 55:1058 56:11 57:296 58:2287 59:1321 60:1194 61:3062 62:3102 63:1777 64:5861 65:2136 66:5666 67:3153 68:1479 69:4212 70:1044 71:641 72:3007 74:2889 75:1518 76:600 77:2793 78:1925 79:1754 80:2272 81:2147 82:3500 83:1483 84:2005 85:3594 86:1103 87:2396 88:1371 89:4544 90:813 91:8424 92:2821 93:2988 94:4178 95:4535 96:1515 97:313 98:948 99:754 100:71 101:1219 102:4573 103:32506 104:5464 105:1126 106:899 107:2778 108:1207 109:4252 110:2252 111:3836 112:2731 113:1885 114:2076 115:2263 116:2124 117:3037 118:3051 119:2027 120:2328 121:1500 122:2832 123:2362 124:1715 125:2904 126:124 128:1565 129:1002 130:1454 131:2175 132:791 133:461 134:1627 135:369 136:1493 137:1143 138:2822 139:1591 140:1646 141:1561 142:2217 143:2090 144:1298 145:629 146:2180 147:2139 148:2768 149:2957 150:1293 151:2643 152:2218 153:582 154:8291 155:2199 156:3268 157:2020 158:1461 159:2606 160:3650 161:2007 162:3984 163:2309 164:1965 165:2578 166:1519 167:2115 168:3818 169:783 170:5414 171:1059 172:4500 173:3447 174:904 175:1364 176:3765 177:4779 178:4347 179:2299 180:2791 181:4309 182:3751 183:2562 184:2102 185:21769 186:5382 187:4701 188:4422 189:4432 190:9804 191:1578 192:11408 193:9512 194:7887 195:5629 196:3590 197:3910 198:6126 199:8843 200:8107 201:6362 202:10545 203:10708 204:4633 205:3648 206:4390 207:3724 208:4327 209:5384 210:4722 211:2715 212:4954 213:3961 214:1035 215:53 216:7169 217:3372 218:1595 219:417 220:2202 221:1258 222:755 223:3153 End of report