IPv4 R&E Routing Table Report 20:15 GMT Wed 21 Jan, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 287605 Prefixes after maximum aggregation (per Origin AS): 118376 Deaggregation factor: 2.43 Unique aggregates announced (without unneeded subnets): 148663 Number of IPv4 prefixes with a valid ROA: 146099 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 141303 Total ASes present in the Internet Routing Table: 20539 Prefixes per ASN: 14.00 Origin-only ASes present in the Internet Routing Table: 17706 Origin ASes announcing only one prefix: 7977 Transit ASes present in the Internet Routing Table: 2833 Transit-only ASes present in the Internet Routing Table: 716 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 33 Max AS path prepend of ASN ( 37133) 26 Prefixes from unregistered ASNs in the Routing Table: 247 Number of instances of unregistered ASNs: 276 Number of 32-bit ASNs allocated by the RIRs: 48441 Number of 32-bit ASNs visible in the Routing Table: 8345 Prefixes from 32-bit ASNs in the Routing Table: 34311 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 103 Number of addresses announced to Internet: 1613931205 Equivalent to 96 /8s, 50 /16s and 162 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 92816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43208 Total APNIC prefixes after maximum aggregation: 8970 APNIC Deaggregation factor: 4.82 Prefixes being announced from the APNIC address blocks: 39865 Unique aggregates announced from the APNIC address blocks: 9203 APNIC Region origin ASes present in the Internet Routing Table: 1328 APNIC Prefixes per ASN: 30.02 APNIC Region origin ASes announcing only one prefix: 561 APNIC Region transit ASes present in the Internet Routing Table: 228 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 646 Number of APNIC addresses announced to Internet: 171185516 Equivalent to 10 /8s, 52 /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: 125858 Total ARIN prefixes after maximum aggregation: 64695 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123317 Unique aggregates announced from the ARIN address blocks: 70394 ARIN Region origin ASes present in the Internet Routing Table: 9120 ARIN Prefixes per ASN: 13.52 ARIN Region origin ASes announcing only one prefix: 3789 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2185 Number of ARIN addresses announced to Internet: 1008799785 Equivalent to 60 /8s, 33 /16s and 16 /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: 51433 Total RIPE prefixes after maximum aggregation: 25973 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54146 Unique aggregates announced from the RIPE address blocks: 37417 RIPE Region origin ASes present in the Internet Routing Table: 4509 RIPE Prefixes per ASN: 12.01 RIPE Region origin ASes announcing only one prefix: 1924 RIPE Region transit ASes present in the Internet Routing Table: 677 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1893 Number of RIPE addresses announced to Internet: 281031632 Equivalent to 16 /8s, 192 /16s and 51 /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: 56260 Total LACNIC prefixes after maximum aggregation: 16190 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 54162 Unique aggregates announced from the LACNIC address blocks: 24109 LACNIC Region origin ASes present in the Internet Routing Table: 4451 LACNIC Prefixes per ASN: 12.17 LACNIC Region origin ASes announcing only one prefix: 1588 LACNIC Region transit ASes present in the Internet Routing Table: 866 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3454 Number of LACNIC addresses announced to Internet: 106671456 Equivalent to 6 /8s, 91 /16s and 173 /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: 10599 Total AfriNIC prefixes after maximum aggregation: 2355 AfriNIC Deaggregation factor: 4.50 Prefixes being announced from the AfriNIC address blocks: 16012 Unique aggregates announced from the AfriNIC address blocks: 7447 AfriNIC Region origin ASes present in the Internet Routing Table: 302 AfriNIC Prefixes per ASN: 53.02 AfriNIC Region origin ASes announcing only one prefix: 115 AfriNIC Region transit ASes present in the Internet Routing Table: 80 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 167 Number of AfriNIC addresses announced to Internet: 46099200 Equivalent to 2 /8s, 191 /16s and 107 /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 13340 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3353 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2214 139 499 LCS-AS-AP LARUS Limited, HK 56041 1762 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1710 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1055 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 908 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 895 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 759 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 654 1159 154 ALIBABA-CN-NET Alibaba US Technology Co., Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13974 38738 5439 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3144 54729 2395 DNIC-AS-00749 - United States Department 36352 2419 200 1147 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1904 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1807 1831 823 DNIC-ASBLK-00306-00371 - United States De 209 1639 4882 263 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1474 726 702 BRIGHTSPEED - Brightspeed, US 20057 1442 1017 111 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4969 306 72 ALJAWWALSTC-AS, SA 20940 1208 93 986 AKAMAI-ASN1, NL 25019 1143 1335 138 SAUDINETSTC-AS, SA 34984 985 151 740 TELLCOM-AS, TR 8452 907 1841 17 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 700 49 615 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 547 53 25 Jordan Data Communications, JO 5511 531 98 450 OPENTRANSIT, FR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7440 1960 786 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1519 211 1131 Telmex Colombia S.A., CO 11664 1396 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1258 371 22 INTEGRATEL PERU S.A.A., PE 26615 1013 2486 56 TIM SA, BR 18881 909 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 682 164 24 America Movil Peru S.A.C., PE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1439 463 90 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 947 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 569 82 3 KENET-AS, KE 36935 510 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 422 78 20 ORANGE-COTE-IVOIRE, CI 36992 385 870 245 ETISALAT-MISR, EG 2018 375 318 69 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13974 38738 5439 AMAZON-02 - Amazon.com, Inc., US 9808 13340 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7440 1960 786 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4774 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3353 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3144 54729 2395 DNIC-AS-00749 - United States Department 36352 2419 200 1147 AS-COLOCROSSING - HostPapa, US 17561 2214 139 499 LCS-AS-AP LARUS Limited, HK 11830 1991 369 65 Instituto Costarricense de Electricidad y Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13340 13220 CHINAMOBILE-CN China Mobile Communications Grou 8151 7440 6654 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4774 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3353 3158 CMNET-JIANGSU-AP China Mobile communications co 11830 1991 1926 Instituto Costarricense de Electricidad y Telec 17561 2214 1715 LCS-AS-AP LARUS Limited, HK 11776 1904 1691 ATLANTICBB-JOHNSTOWN - Breezeline, US 56041 1762 1683 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1710 1660 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 26295 UNALLOCATED 12.110.210.0/23 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/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: 3257 GTT-BACKBONE GTT, US 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 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US 41.204.224.0/24 Origin: 36911 RESERVED, ZZ 41.204.224.0/24 Transit: 327924 EXCELSIMO-NETWORKS, NG Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:14 /9:11 /10:31 /11:52 /12:159 /13:213 /14:576 /15:1066 /16:7496 /17:3488 /18:4163 /19:7674 /20:13108 /21:16284 /22:28444 /23:29515 /24:175077 /25:61 /26:83 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4040 7440 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3048 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2477 13974 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 11664 1083 1396 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1049 1474 BRIGHTSPEED - Brightspeed, US 36352 1015 2419 AS-COLOCROSSING - HostPapa, US 209 953 1639 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 931 1519 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:464 3:959 4:5 5:1169 6:172 7:5 8:634 9:5 11:172 12:878 13:553 14:176 15:360 16:154 17:3 18:910 20:204 21:4 22:188 23:2812 24:661 27:46 29:19 31:510 32:13 34:7 35:182 36:3318 37:633 38:2318 39:829 40:251 41:1110 42:23 43:202 44:29 45:4513 46:911 47:166 48:20 49:21 50:483 51:522 52:1077 54:225 55:1117 56:11 57:31 58:42 59:43 60:74 61:58 62:604 63:721 64:2225 65:990 66:2343 67:1120 68:488 69:1216 70:435 71:157 72:699 74:972 75:291 76:239 77:409 78:575 79:247 80:354 81:418 82:835 83:208 84:354 85:643 86:240 87:206 88:279 89:574 90:103 91:931 92:677 93:897 94:986 95:1309 96:285 97:45 98:390 99:270 100:22 101:23 102:536 103:1274 104:1709 105:140 106:3 107:1677 108:519 109:370 110:104 111:2756 112:1298 113:34 114:34 115:55 116:56 117:1503 118:69 119:87 120:1932 121:37 122:78 123:127 124:68 125:49 128:560 129:376 130:696 131:1128 132:559 133:220 134:500 135:135 136:741 137:605 138:1012 139:447 140:758 141:375 142:1458 143:866 144:505 145:192 146:687 147:469 148:1028 149:726 150:226 151:876 152:726 153:284 154:2379 155:1040 156:2062 157:493 158:656 159:841 160:629 161:722 162:978 163:420 164:737 165:621 166:571 167:713 168:1483 169:165 170:1840 171:101 172:1546 173:781 174:278 175:96 176:655 177:933 178:631 179:865 180:45 181:2522 182:24 183:1617 184:435 185:3412 186:3426 187:1710 188:1044 189:1957 190:5977 191:551 192:5060 193:1694 194:1116 195:956 196:706 197:1063 198:2674 199:2462 200:4490 201:3622 202:1120 203:811 204:2190 205:1633 206:1492 207:1698 208:1708 209:1907 210:441 211:513 212:1077 213:871 214:961 215:43 216:2455 217:557 218:648 219:29 220:82 221:534 222:30 223:1664 End of report