IPv4 R&E Routing Table Report 18:40 GMT Mon 16 Mar, 2026 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: 1066833 Prefixes after maximum aggregation (per Origin AS): 399659 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 511197 Number of IPv4 prefixes with a valid ROA: 641956 Number of IPv4 prefixes with an invalid ROA: 2975 Number of IPv4 prefixes with no ROA: 421902 Total ASes present in the Internet Routing Table: 78339 Prefixes per ASN: 13.62 Origin-only ASes present in the Internet Routing Table: 67153 Origin ASes announcing only one prefix: 26920 Transit ASes present in the Internet Routing Table: 11186 Transit-only ASes present in the Internet Routing Table: 590 Paths with bogon ASNs present in the IPv4 Routing Table: 171 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1168 Number of instances of unregistered ASNs: 1222 Number of 32-bit ASNs allocated by the RIRs: 48981 Number of 32-bit ASNs visible in the Routing Table: 40242 Prefixes from 32-bit ASNs in the Routing Table: 232912 Number of bogon 32-bit ASNs visible in the Routing Table: 145 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 412 Number of addresses announced to Internet: 3111820032 Equivalent to 185 /8s, 122 /16s and 155 /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: 350782 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288727 Total APNIC prefixes after maximum aggregation: 82357 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 275828 Unique aggregates announced from the APNIC address blocks: 107468 APNIC Region origin ASes present in the Internet Routing Table: 15197 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 4627 APNIC Region transit ASes present in the Internet Routing Table: 2037 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10731 Number of APNIC addresses announced to Internet: 754417664 Equivalent to 44 /8s, 247 /16s and 128 /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: 308620 Total ARIN prefixes after maximum aggregation: 137362 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 307336 Unique aggregates announced from the ARIN address blocks: 147132 ARIN Region origin ASes present in the Internet Routing Table: 19413 ARIN Prefixes per ASN: 15.83 ARIN Region origin ASes announcing only one prefix: 7073 ARIN Region transit ASes present in the Internet Routing Table: 1963 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: 5524 Number of ARIN addresses announced to Internet: 1349001728 Equivalent to 80 /8s, 104 /16s and 34 /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, 393216-404380 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: 292525 Total RIPE prefixes after maximum aggregation: 141287 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 294936 Unique aggregates announced from the RIPE address blocks: 187202 RIPE Region origin ASes present in the Internet Routing Table: 29396 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12138 RIPE Region transit ASes present in the Internet Routing Table: 4034 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13220 Number of RIPE addresses announced to Internet: 733718016 Equivalent to 43 /8s, 187 /16s and 166 /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: 135122 Total LACNIC prefixes after maximum aggregation: 30761 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 130496 Unique aggregates announced from the LACNIC address blocks: 50137 LACNIC Region origin ASes present in the Internet Routing Table: 11360 LACNIC Prefixes per ASN: 11.49 LACNIC Region origin ASes announcing only one prefix: 2418 LACNIC Region transit ASes present in the Internet Routing Table: 2600 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9376 Number of LACNIC addresses announced to Internet: 170483456 Equivalent to 10 /8s, 41 /16s and 95 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 40671 Total AfriNIC prefixes after maximum aggregation: 7153 AfriNIC Deaggregation factor: 5.69 Prefixes being announced from the AfriNIC address blocks: 57825 Unique aggregates announced from the AfriNIC address blocks: 18897 AfriNIC Region origin ASes present in the Internet Routing Table: 2027 AfriNIC Prefixes per ASN: 28.53 AfriNIC Region origin ASes announcing only one prefix: 664 AfriNIC Region transit ASes present in the Internet Routing Table: 374 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 52 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1391 Number of AfriNIC addresses announced to Internet: 104005120 Equivalent to 6 /8s, 50 /16s and 254 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13820 8915 101 CHINAMOBILE-CN China Mobile Communication 7545 5971 830 521 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4878 548 325 BBIL-AP BHARTI Airtel Ltd., IN 18403 4581 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 4033 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3702 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3476 887 178 CMNET-JIANGSU-AP China Mobile communicati 4538 3449 4193 76 ERX-CERNET-BKB China Education and Resear 45899 3343 1868 99 VNPT-AS-VN VNPT Corp, VN 24560 3012 865 516 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 14479 41221 5571 AMAZON-02 - Amazon.com, Inc., US 174 4964 8764 845 COGENT-174 - Cogent Communications, LLC, 22773 4780 3117 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4647 308 1020 CABLEONE - CABLE ONE, INC., US 7155 3868 287 89 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3709 1321 75 SHAW - Shaw Communications, CA 396982 3289 4856 483 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3139 54728 2390 DNIC-AS-00749 - United States Department 16625 2832 1242 2148 AKAMAI-AS - Akamai Technologies, Inc., US 36352 2700 221 893 AS-COLOCROSSING - HostPapa, 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 7202 1711 149 UNI2-AS, ES 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 3946 3393 111 AKAMAI-ASN1, NL 9009 3875 359 2264 M247, RO 12389 3193 2321 868 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2670 193 1957 CDNEXT, GB 5384 2632 585 28 EMIRATES-INTERNET Emirates Internet, AE 34984 2463 366 569 TELLCOM-AS, TR 8452 1702 1852 14 TE-AS TE-AS, EG 203020 1612 243 787 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 12856 3302 596 UNINET, MX 10620 3453 458 1104 Telmex Colombia S.A., CO 13999 2455 506 346 Mega Cable, S.A. de C.V., MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 11664 1454 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1371 2430 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 22884 1058 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1057 2475 94 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 2045 648 34 RAYA-AS, EG 36992 1843 1531 336 ETISALAT-MISR, EG 20011 1333 205 345 NTT-DATA-Inc, ZA 24863 1290 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1229 521 44 Vodafone-, EG 37069 1109 1100 11 MOBINIL, EG 29571 1072 78 20 ORANGE-COTE-IVOIRE, CI 15399 559 57 55 WANANCHI-, KE 3741 557 724 324 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 14479 41221 5571 AMAZON-02 - Amazon.com, Inc., US 9808 13820 8915 101 CHINAMOBILE-CN China Mobile Communication 8151 12856 3302 596 UNINET, MX 12479 7202 1711 149 UNI2-AS, ES 7545 5971 830 521 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 306 72 ALJAWWALSTC-AS, SA 174 4964 8764 845 COGENT-174 - Cogent Communications, LLC, 9498 4878 548 325 BBIL-AP BHARTI Airtel Ltd., IN 22773 4780 3117 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4647 308 1020 CABLEONE - CABLE ONE, INC., US 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 13820 13719 CHINAMOBILE-CN China Mobile Communications Grou 8151 12856 12260 UNINET, MX 12479 7202 7053 UNI2-AS, ES 7545 5971 5450 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4969 4897 ALJAWWALSTC-AS, SA 18403 4581 4556 FPT-AS-AP FPT Telecom Company, VN 9498 4878 4553 BBIL-AP BHARTI Airtel Ltd., IN 22773 4780 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 174 4964 4119 COGENT-174 - Cogent Communications, LLC, US 7552 4033 4004 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 37100 SEACOM-AS, MU 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /10:40 /11:95 /12:300 /13:584 /14:1199 /15:2120 /16:13730 /17:8459 /18:13664 /19:25992 /20:47655 /21:53881 /22:116257 /23:112854 /24:669973 /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 6989 12856 UNINET, MX 12479 6139 7202 UNI2-AS, ES 39891 3655 4969 ALJAWWALSTC-AS, SA 11492 3507 4647 CABLEONE - CABLE ONE, INC., US 6327 3489 3709 SHAW - Shaw Communications, CA 22773 3049 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2827 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2587 14479 AMAZON-02 - Amazon.com, Inc., US 30036 2316 2664 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2233 3453 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) ---------------------------------------------- 1:2526 2:1766 3:1002 4:5 5:5609 6:196 7:6 8:1527 9:29 11:172 12:1199 13:645 14:2686 15:459 16:165 17:424 18:917 20:618 21:4 22:188 23:8306 24:2949 25:2 27:2841 28:1 29:19 31:3570 32:38 34:94 35:296 36:4662 37:4565 38:11147 39:1276 40:413 41:4808 42:2111 43:3074 44:447 45:20785 46:5002 47:413 48:89 49:2227 50:2078 51:603 52:1308 54:281 55:1064 56:11 57:330 58:2386 59:1537 60:1181 61:3349 62:3162 63:1771 64:6328 65:2148 66:6130 67:3315 68:1521 69:4277 70:1060 71:627 72:3217 74:3041 75:1512 76:597 77:3013 78:1938 79:1813 80:2370 81:2261 82:4030 83:1498 84:2082 85:3829 86:1202 87:2451 88:1371 89:4727 90:799 91:8544 92:2924 93:3025 94:4464 95:4671 96:1476 97:315 98:949 99:802 100:68 101:1607 102:5363 103:33001 104:5489 105:1167 106:934 107:2853 108:1246 109:4269 110:2299 111:4150 112:3167 113:2015 114:2197 115:2406 116:2285 117:3468 118:3040 119:2153 120:2726 121:1575 122:3019 123:2698 124:1782 125:3029 126:125 128:1700 129:1010 130:1629 131:2574 132:807 133:477 134:1668 135:637 136:1605 137:1369 138:3337 139:1658 140:1784 141:1610 142:2565 143:2196 144:1753 145:638 146:2214 147:2167 148:2750 149:3127 150:1347 151:2734 152:2274 153:1028 154:9991 155:2331 156:4590 157:2324 158:1512 159:2774 160:3909 161:1987 162:4042 163:2444 164:2079 165:2668 166:1302 167:2272 168:4118 169:915 170:5740 171:1092 172:4639 173:3501 174:886 175:1383 176:3937 177:5365 178:4495 179:2497 180:3103 181:4713 182:4043 183:2831 184:2043 185:22096 186:6221 187:5168 188:4606 189:4734 190:10082 191:1676 192:11548 193:9655 194:7991 195:5890 196:3695 197:4049 198:6180 199:6134 200:8515 201:6557 202:11110 203:10790 204:4755 205:3733 206:4572 207:3885 208:4422 209:5439 210:4988 211:2787 212:5058 213:4165 214:1051 215:46 216:7365 217:3771 218:1743 219:530 220:2167 221:1317 222:1064 223:3437 End of report