IPv4 R&E Routing Table Report 20:15 GMT Tue 24 Feb, 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: 291889 Prefixes after maximum aggregation (per Origin AS): 119026 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149528 Number of IPv4 prefixes with a valid ROA: 149881 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141793 Total ASes present in the Internet Routing Table: 20496 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17620 Origin ASes announcing only one prefix: 7899 Transit ASes present in the Internet Routing Table: 2876 Transit-only ASes present in the Internet Routing Table: 729 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 249 Number of instances of unregistered ASNs: 278 Number of 32-bit ASNs allocated by the RIRs: 48842 Number of 32-bit ASNs visible in the Routing Table: 8419 Prefixes from 32-bit ASNs in the Routing Table: 35542 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: 100 Number of addresses announced to Internet: 1625058245 Equivalent to 96 /8s, 220 /16s and 107 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 94032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43551 Total APNIC prefixes after maximum aggregation: 8542 APNIC Deaggregation factor: 5.10 Prefixes being announced from the APNIC address blocks: 39662 Unique aggregates announced from the APNIC address blocks: 8466 APNIC Region origin ASes present in the Internet Routing Table: 1273 APNIC Prefixes per ASN: 31.16 APNIC Region origin ASes announcing only one prefix: 543 APNIC Region transit ASes present in the Internet Routing Table: 218 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 618 Number of APNIC addresses announced to Internet: 170414444 Equivalent to 10 /8s, 40 /16s and 81 /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: 127695 Total ARIN prefixes after maximum aggregation: 65182 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124926 Unique aggregates announced from the ARIN address blocks: 71207 ARIN Region origin ASes present in the Internet Routing Table: 8968 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 3693 ARIN Region transit ASes present in the Internet Routing Table: 850 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: 2141 Number of ARIN addresses announced to Internet: 1018031401 Equivalent to 60 /8s, 173 /16s and 237 /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: 51980 Total RIPE prefixes after maximum aggregation: 26086 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54961 Unique aggregates announced from the RIPE address blocks: 37726 RIPE Region origin ASes present in the Internet Routing Table: 4504 RIPE Prefixes per ASN: 12.20 RIPE Region origin ASes announcing only one prefix: 1918 RIPE Region transit ASes present in the Internet Routing Table: 691 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: 1912 Number of RIPE addresses announced to Internet: 282983888 Equivalent to 16 /8s, 221 /16s and 253 /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: 58083 Total LACNIC prefixes after maximum aggregation: 16823 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 55881 Unique aggregates announced from the LACNIC address blocks: 24659 LACNIC Region origin ASes present in the Internet Routing Table: 4628 LACNIC Prefixes per ASN: 12.07 LACNIC Region origin ASes announcing only one prefix: 1639 LACNIC Region transit ASes present in the Internet Routing Table: 915 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3599 Number of LACNIC addresses announced to Internet: 107282528 Equivalent to 6 /8s, 101 /16s and 0 /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: 10331 Total AfriNIC prefixes after maximum aggregation: 2197 AfriNIC Deaggregation factor: 4.70 Prefixes being announced from the AfriNIC address blocks: 16359 Unique aggregates announced from the AfriNIC address blocks: 7380 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 58.42 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 79 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 46266880 Equivalent to 2 /8s, 193 /16s and 250 /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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2740 172 523 LCS-AS-AP LARUS Limited, HK 56041 1795 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1059 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 712 1210 158 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 14324 41152 5564 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3099 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2365 194 1096 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1634 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1620 1345 742 DNIC-ASBLK-00306-00371 - United States De 19901 1473 736 689 BRIGHTSPEED - Brightspeed, US 20057 1453 1001 113 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 1273 98 1032 AKAMAI-ASN1, NL 25019 1252 1336 139 SAUDINETSTC-AS, SA 34984 976 146 726 TELLCOM-AS, TR 3215 900 4820 300 France Telecom - Orange, FR 8452 887 1841 21 TE-AS TE-AS, EG 212238 744 54 658 CDNEXT, GB 8376 664 53 31 Jordan Data Communications, JO 58224 566 280 396 TCI, IR 51167 565 113 248 CONTABO, DE 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 7267 1926 795 UNINET, MX 11830 1969 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1438 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1253 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 947 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 690 43 208 UFINET PANAMA S.A., PA 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 1399 488 23 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 853 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 559 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36935 436 514 6 Vodafone-, EG 36992 380 866 247 ETISALAT-MISR, EG 2018 374 318 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 14324 41152 5564 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7267 1926 795 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4782 3099 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 17561 2740 172 523 LCS-AS-AP LARUS Limited, HK 36352 2365 194 1096 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 7267 6472 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4782 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3406 3217 CMNET-JIANGSU-AP China Mobile communications co 17561 2740 2217 LCS-AS-AP LARUS Limited, HK 11830 1969 1904 Instituto Costarricense de Electricidad y Telec 56041 1795 1716 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1894 1680 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1667 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 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 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 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /11:55 /12:159 /13:217 /14:581 /15:1076 /16:7508 /17:3500 /18:4216 /19:7745 /20:13479 /21:16114 /22:28750 /23:30175 /24:178017 /25:67 /26:83 /27:51 /28:18 /29:7 /30:9 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3994 7267 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3056 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2602 14324 AMAZON-02 - Amazon.com, Inc., US 11830 1675 1969 Instituto Costarricense de Electricidad y Telecom., CR 11664 1128 1438 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1031 1473 BRIGHTSPEED - Brightspeed, US 36352 1026 2365 AS-COLOCROSSING - HostPapa, US 209 950 1634 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 932 1520 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 2:489 3:979 4:5 5:1217 6:179 7:5 8:627 9:7 11:172 12:854 13:576 14:178 15:395 16:149 17:3 18:913 20:341 21:4 22:188 23:2846 24:724 27:45 29:19 31:475 32:12 34:9 35:184 36:3354 37:645 38:2438 39:851 40:260 41:1086 42:22 43:215 44:26 45:4710 46:932 47:165 48:20 49:21 50:491 51:517 52:1109 54:255 55:1110 56:11 57:31 58:48 59:30 60:73 61:56 62:606 63:710 64:2209 65:976 66:2377 67:1111 68:493 69:1261 70:428 71:153 72:700 74:971 75:275 76:225 77:448 78:560 79:257 80:360 81:419 82:848 83:213 84:340 85:634 86:252 87:200 88:280 89:578 90:103 91:928 92:711 93:893 94:1002 95:1278 96:282 97:44 98:389 99:278 100:22 101:27 102:470 103:1280 104:1731 105:127 107:1760 108:506 109:366 110:104 111:2804 112:1273 113:34 114:35 115:54 116:54 117:1608 118:61 119:85 120:2018 121:35 122:42 123:123 124:74 125:26 126:1 128:609 129:358 130:716 131:1219 132:564 133:218 134:499 135:133 136:717 137:607 138:1065 139:458 140:757 141:426 142:1463 143:875 144:493 145:204 146:668 147:500 148:998 149:786 150:239 151:908 152:789 153:294 154:2607 155:1003 156:2271 157:466 158:667 159:819 160:691 161:711 162:973 163:410 164:735 165:629 166:565 167:706 168:1502 169:204 170:1898 171:105 172:1591 173:761 174:271 175:89 176:638 177:1060 178:648 179:939 180:37 181:2628 182:31 183:1697 184:440 185:3328 186:3503 187:1777 188:1047 189:1998 190:6330 191:563 192:5067 193:1763 194:1130 195:930 196:678 197:1124 198:2647 199:2485 200:4557 201:3649 202:1045 203:819 204:2147 205:1811 206:1485 207:1685 208:1612 209:1970 210:349 211:519 212:1021 213:898 214:988 215:43 216:2485 217:553 218:656 219:18 220:79 221:537 222:27 223:1684 End of report