IPv4 R&E Routing Table Report 20:15 GMT Tue 20 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: 287380 Prefixes after maximum aggregation (per Origin AS): 118351 Deaggregation factor: 2.43 Unique aggregates announced (without unneeded subnets): 148614 Number of IPv4 prefixes with a valid ROA: 146022 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 141155 Total ASes present in the Internet Routing Table: 20469 Prefixes per ASN: 14.04 Origin-only ASes present in the Internet Routing Table: 17654 Origin ASes announcing only one prefix: 7959 Transit ASes present in the Internet Routing Table: 2815 Transit-only ASes present in the Internet Routing Table: 718 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: 248 Number of instances of unregistered ASNs: 277 Number of 32-bit ASNs allocated by the RIRs: 48435 Number of 32-bit ASNs visible in the Routing Table: 8282 Prefixes from 32-bit ASNs in the Routing Table: 34139 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: 107 Number of addresses announced to Internet: 1611902661 Equivalent to 96 /8s, 19 /16s and 174 /24s Percentage of available address space announced: 43.5 Percentage of allocated address space announced: 43.5 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: 92897 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42791 Total APNIC prefixes after maximum aggregation: 8903 APNIC Deaggregation factor: 4.81 Prefixes being announced from the APNIC address blocks: 39758 Unique aggregates announced from the APNIC address blocks: 9099 APNIC Region origin ASes present in the Internet Routing Table: 1332 APNIC Prefixes per ASN: 29.85 APNIC Region origin ASes announcing only one prefix: 565 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: 651 Number of APNIC addresses announced to Internet: 171177836 Equivalent to 10 /8s, 51 /16s and 247 /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: 126296 Total ARIN prefixes after maximum aggregation: 64592 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 123362 Unique aggregates announced from the ARIN address blocks: 70242 ARIN Region origin ASes present in the Internet Routing Table: 9125 ARIN Prefixes per ASN: 13.52 ARIN Region origin ASes announcing only one prefix: 3795 ARIN Region transit ASes present in the Internet Routing Table: 852 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: 2184 Number of ARIN addresses announced to Internet: 1008075049 Equivalent to 60 /8s, 22 /16s and 1 /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: 51618 Total RIPE prefixes after maximum aggregation: 26003 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54281 Unique aggregates announced from the RIPE address blocks: 37442 RIPE Region origin ASes present in the Internet Routing Table: 4518 RIPE Prefixes per ASN: 12.01 RIPE Region origin ASes announcing only one prefix: 1927 RIPE Region transit ASes present in the Internet Routing Table: 684 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1904 Number of RIPE addresses announced to Internet: 280796880 Equivalent to 16 /8s, 188 /16s and 158 /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: 55601 Total LACNIC prefixes after maximum aggregation: 16123 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 53506 Unique aggregates announced from the LACNIC address blocks: 24165 LACNIC Region origin ASes present in the Internet Routing Table: 4350 LACNIC Prefixes per ASN: 12.30 LACNIC Region origin ASes announcing only one prefix: 1556 LACNIC Region transit ASes present in the Internet Routing Table: 844 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: 3367 Number of LACNIC addresses announced to Internet: 106765408 Equivalent to 6 /8s, 93 /16s and 28 /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: 10826 Total AfriNIC prefixes after maximum aggregation: 2536 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 16366 Unique aggregates announced from the AfriNIC address blocks: 7569 AfriNIC Region origin ASes present in the Internet Routing Table: 312 AfriNIC Prefixes per ASN: 52.46 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 81 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 176 Number of AfriNIC addresses announced to Internet: 44942080 Equivalent to 2 /8s, 173 /16s and 195 /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 3354 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 1873 118 437 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 14014 38705 5438 AMAZON-02 - Amazon.com, Inc., US 22773 4776 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 1805 1830 822 DNIC-ASBLK-00306-00371 - United States De 209 1638 4882 263 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1478 726 700 BRIGHTSPEED - Brightspeed, US 20057 1441 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 1207 92 985 AKAMAI-ASN1, NL 25019 1143 1335 138 SAUDINETSTC-AS, SA 34984 984 151 739 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 7433 1944 785 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1519 212 1132 Telmex Colombia S.A., CO 11664 1369 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1256 371 22 INTEGRATEL PERU S.A.A., PE 26615 1013 2486 56 TIM SA, BR 18881 908 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 1079 1084 13 MOBINIL, EG 24863 946 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 565 82 3 KENET-AS, KE 36935 509 135 138 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 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 14014 38705 5438 AMAZON-02 - Amazon.com, Inc., US 9808 13340 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7433 1944 785 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4776 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3354 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 11830 1991 369 65 Instituto Costarricense de Electricidad y 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 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 7433 6648 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4776 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3354 3159 CMNET-JIANGSU-AP China Mobile communications co 11830 1991 1926 Instituto Costarricense de Electricidad y Telec 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 6167 1974 1443 CELLCO-PART - Verizon Business, US 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 23.155.185.0/24 Origin: 401541 OSIE - Osie, US 23.155.185.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, US 23.157.217.0/24 Origin: 401541 OSIE - Osie, US 23.157.217.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, US 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 /11:51 /12:159 /13:213 /14:576 /15:1063 /16:7491 /17:3484 /18:4163 /19:7674 /20:13113 /21:16252 /22:28418 /23:29338 /24:175095 /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 4034 7433 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2483 14014 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 11664 1056 1369 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1052 1478 BRIGHTSPEED - Brightspeed, US 36352 1015 2419 AS-COLOCROSSING - HostPapa, US 209 953 1638 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 930 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) ---------------------------------------------- 1:48 2:460 3:973 4:5 5:1182 6:172 7:5 8:635 9:5 11:172 12:878 13:557 14:178 15:361 16:154 17:3 18:910 20:204 21:4 22:188 23:2817 24:662 27:46 29:19 31:510 32:13 34:6 35:182 36:3320 37:632 38:2318 39:829 40:251 41:1149 42:23 43:202 44:29 45:4553 46:908 47:166 48:20 49:19 50:482 51:522 52:1079 54:228 55:1117 56:11 57:31 58:43 59:43 60:74 61:58 62:601 63:722 64:2198 65:991 66:2344 67:1120 68:489 69:1216 70:440 71:157 72:701 74:976 75:293 76:239 77:398 78:574 79:247 80:353 81:392 82:846 83:212 84:345 85:641 86:234 87:208 88:278 89:622 90:100 91:931 92:676 93:951 94:985 95:1311 96:285 97:45 98:391 99:270 100:22 101:25 102:600 103:1280 104:1706 105:154 106:3 107:1677 108:520 109:362 110:94 111:2756 112:1266 113:34 114:34 115:55 116:56 117:1503 118:72 119:87 120:1931 121:37 122:78 123:129 124:68 125:49 128:558 129:375 130:698 131:1125 132:560 133:220 134:499 135:135 136:741 137:609 138:994 139:450 140:759 141:377 142:1458 143:858 144:503 145:192 146:688 147:470 148:1022 149:713 150:225 151:871 152:728 153:282 154:2586 155:1055 156:1879 157:492 158:648 159:839 160:644 161:721 162:975 163:417 164:740 165:646 166:570 167:712 168:1461 169:165 170:1826 171:101 172:1545 173:780 174:279 175:98 176:647 177:896 178:632 179:864 180:45 181:2473 182:24 183:1615 184:437 185:3398 186:3381 187:1716 188:1042 189:1949 190:5929 191:568 192:5050 193:1696 194:1114 195:975 196:706 197:1083 198:2669 199:2468 200:4434 201:3617 202:1119 203:813 204:2191 205:1632 206:1490 207:1702 208:1711 209:1914 210:442 211:513 212:1122 213:875 214:963 215:43 216:2469 217:556 218:648 219:29 220:82 221:534 222:29 223:1665 End of report