IPv4 R&E Routing Table Report 18:40 GMT Mon 20 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: 1023819 Prefixes after maximum aggregation (per Origin AS): 392840 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 497727 Number of IPv4 prefixes with a valid ROA: 588516 Number of IPv4 prefixes with an invalid ROA: 2502 Number of IPv4 prefixes with no ROA: 432801 Total ASes present in the Internet Routing Table: 77542 Prefixes per ASN: 13.20 Origin-only ASes present in the Internet Routing Table: 66452 Origin ASes announcing only one prefix: 27051 Transit ASes present in the Internet Routing Table: 11090 Transit-only ASes present in the Internet Routing Table: 559 Paths with bogon ASNs present in the IPv4 Routing Table: 249 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: 1036 Number of instances of unregistered ASNs: 1124 Number of 32-bit ASNs allocated by the RIRs: 47761 Number of 32-bit ASNs visible in the Routing Table: 39220 Prefixes from 32-bit ASNs in the Routing Table: 215948 Number of bogon 32-bit ASNs visible in the Routing Table: 216 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 439 Number of addresses announced to Internet: 3112954112 Equivalent to 185 /8s, 139 /16s and 233 /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: 336095 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272959 Total APNIC prefixes after maximum aggregation: 80404 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 262366 Unique aggregates announced from the APNIC address blocks: 105793 APNIC Region origin ASes present in the Internet Routing Table: 14845 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 4507 APNIC Region transit ASes present in the Internet Routing Table: 1978 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: 10410 Number of APNIC addresses announced to Internet: 752138240 Equivalent to 44 /8s, 212 /16s and 184 /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: 301580 Total ARIN prefixes after maximum aggregation: 134860 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 302679 Unique aggregates announced from the ARIN address blocks: 144525 ARIN Region origin ASes present in the Internet Routing Table: 19343 ARIN Prefixes per ASN: 15.65 ARIN Region origin ASes announcing only one prefix: 7090 ARIN Region transit ASes present in the Internet Routing Table: 1970 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: 5374 Number of ARIN addresses announced to Internet: 1352840960 Equivalent to 80 /8s, 162 /16s and 183 /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: 285324 Total RIPE prefixes after maximum aggregation: 139333 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 285122 Unique aggregates announced from the RIPE address blocks: 181395 RIPE Region origin ASes present in the Internet Routing Table: 29147 RIPE Prefixes per ASN: 9.78 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 4012 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: 12813 Number of RIPE addresses announced to Internet: 733038080 Equivalent to 43 /8s, 177 /16s and 70 /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: 125552 Total LACNIC prefixes after maximum aggregation: 30442 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 121616 Unique aggregates announced from the LACNIC address blocks: 49430 LACNIC Region origin ASes present in the Internet Routing Table: 11312 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2558 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: 9282 Number of LACNIC addresses announced to Internet: 170772992 Equivalent to 10 /8s, 45 /16s and 202 /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: 37368 Total AfriNIC prefixes after maximum aggregation: 7086 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 51597 Unique aggregates announced from the AfriNIC address blocks: 16198 AfriNIC Region origin ASes present in the Internet Routing Table: 1977 AfriNIC Prefixes per ASN: 26.10 AfriNIC Region origin ASes announcing only one prefix: 683 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: 103931904 Equivalent to 6 /8s, 49 /16s and 224 /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 13851 8762 118 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 4367 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3980 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3713 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3315 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 2540 518 1630 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 14311 41082 5359 AMAZON-02, US 11492 4771 322 787 CABLEONE, US 174 4739 8766 796 COGENT-174, US 22773 4305 3086 367 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 3217 54766 2468 DNIC-AS-00749, US 4155 3112 241 1749 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 7382 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4042 3395 127 AKAMAI-ASN1, NL 9009 3998 374 2250 M247, RO 12389 3143 2313 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2630 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2538 182 1845 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1719 205 1005 HOSTROYALE, IN 8452 1672 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 12410 3287 579 UNINET, MX 10620 3480 468 1088 Telmex Colombia S.A., CO 13999 2517 511 347 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 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1280 371 23 Telefonica del Peru S.A.A., PE 11664 1244 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 1843 630 32 RAYA-AS, EG 36992 1513 1498 386 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 1189 102 52 ORANGE-COTE-IVOIRE, CI 36935 1118 522 46 Vodafone-, EG 37069 1085 1096 13 MOBINIL, 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 14311 41082 5359 AMAZON-02, US 9808 13851 8762 118 CHINAMOBILE-CN China Mobile Communication 8151 12410 3287 579 UNINET, MX 12479 7382 1711 149 UNI2-AS, ES 7545 6180 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4771 322 787 CABLEONE, US 174 4739 8766 796 COGENT-174, US 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4367 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 13851 13733 CHINAMOBILE-CN China Mobile Communications Grou 8151 12410 11831 UNINET, MX 12479 7382 7233 UNI2-AS, ES 7545 6180 5581 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4367 4342 FPT-AS-AP FPT Telecom Company, VN 9498 4481 4166 BBIL-AP BHARTI Airtel Ltd., IN 11492 4771 3984 CABLEONE, US 7552 3980 3952 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 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 /14:1204 /15:2141 /16:13846 /17:8319 /18:13663 /19:24900 /20:45044 /21:52650 /22:113863 /23:106440 /24:640701 /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 6624 12410 UNINET, MX 12479 6350 7382 UNI2-AS, ES 11492 3584 4771 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3473 3684 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2650 4305 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2408 14311 AMAZON-02, US 30036 2295 2636 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2215 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) ---------------------------------------------- 1:2439 2:1680 3:938 4:10 5:5006 6:170 7:6 8:1546 9:6 11:172 12:1239 13:538 14:2654 15:403 16:301 17:389 18:907 20:598 21:4 22:188 23:8112 24:2613 25:2 27:2782 29:19 31:3453 32:34 33:1 34:88 35:276 36:4483 37:4600 38:10556 39:1113 40:480 41:4505 42:1941 43:2823 44:397 45:19343 46:5237 47:377 49:2143 50:2054 51:598 52:1631 54:354 55:1107 56:11 57:293 58:2289 59:1324 60:1195 61:3093 62:3096 63:1776 64:5823 65:2124 66:5625 67:3154 68:1481 69:4203 70:1044 71:639 72:3021 74:2857 75:1518 76:599 77:2796 78:1925 79:1751 80:2274 81:2146 82:3495 83:1531 84:2005 85:3586 86:1200 87:2398 88:1367 89:4535 90:815 91:8426 92:2883 93:2994 94:4270 95:4541 96:1514 97:314 98:950 99:751 100:71 101:1467 102:4539 103:32630 104:5474 105:1133 106:897 107:2798 108:1207 109:4244 110:2244 111:3823 112:2717 113:1877 114:2080 115:2334 116:2142 117:3050 118:3052 119:2024 120:2310 121:1504 122:2836 123:2442 124:1754 125:2909 126:124 128:1575 129:1001 130:1443 131:2175 132:783 133:461 134:1627 135:368 136:1498 137:1142 138:2832 139:1595 140:1647 141:1560 142:2172 143:2106 144:1300 145:629 146:2180 147:2146 148:2762 149:2991 150:1302 151:2649 152:2218 153:576 154:8194 155:2211 156:3210 157:2027 158:1451 159:2605 160:3649 161:2001 162:3966 163:2302 164:1966 165:2572 166:1570 167:2121 168:3833 169:783 170:5403 171:1062 172:4514 173:3435 174:907 175:1371 176:3817 177:4792 178:4329 179:2310 180:2795 181:4274 182:3747 183:2560 184:2119 185:21851 186:5387 187:4732 188:4419 189:4431 190:9786 191:1571 192:11427 193:9519 194:7945 195:5692 196:3581 197:3902 198:6110 199:8798 200:8079 201:6367 202:10566 203:10729 204:4628 205:3647 206:4420 207:3718 208:4316 209:5368 210:4721 211:2714 212:4925 213:3960 214:1030 215:53 216:7179 217:3514 218:1599 219:418 220:2201 221:1251 222:756 223:3127 End of report