IPv4 R&E Routing Table Report 20:15 GMT Wed 25 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: 290601 Prefixes after maximum aggregation (per Origin AS): 118471 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148484 Number of IPv4 prefixes with a valid ROA: 149417 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 140969 Total ASes present in the Internet Routing Table: 20470 Prefixes per ASN: 14.20 Origin-only ASes present in the Internet Routing Table: 17591 Origin ASes announcing only one prefix: 7896 Transit ASes present in the Internet Routing Table: 2879 Transit-only ASes present in the Internet Routing Table: 726 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: 247 Number of instances of unregistered ASNs: 276 Number of 32-bit ASNs allocated by the RIRs: 48851 Number of 32-bit ASNs visible in the Routing Table: 8407 Prefixes from 32-bit ASNs in the Routing Table: 35438 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: 99 Number of addresses announced to Internet: 1624915909 Equivalent to 96 /8s, 218 /16s and 63 /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: 93826 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42614 Total APNIC prefixes after maximum aggregation: 8139 APNIC Deaggregation factor: 5.24 Prefixes being announced from the APNIC address blocks: 39181 Unique aggregates announced from the APNIC address blocks: 7991 APNIC Region origin ASes present in the Internet Routing Table: 1263 APNIC Prefixes per ASN: 31.02 APNIC Region origin ASes announcing only one prefix: 531 APNIC Region transit ASes present in the Internet Routing Table: 215 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: 606 Number of APNIC addresses announced to Internet: 170361196 Equivalent to 10 /8s, 39 /16s and 129 /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: 127639 Total ARIN prefixes after maximum aggregation: 65039 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124878 Unique aggregates announced from the ARIN address blocks: 71107 ARIN Region origin ASes present in the Internet Routing Table: 8967 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 3701 ARIN Region transit ASes present in the Internet Routing Table: 854 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: 2139 Number of ARIN addresses announced to Internet: 1018129961 Equivalent to 60 /8s, 175 /16s and 110 /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: 51510 Total RIPE prefixes after maximum aggregation: 26023 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54486 Unique aggregates announced from the RIPE address blocks: 37566 RIPE Region origin ASes present in the Internet Routing Table: 4479 RIPE Prefixes per ASN: 12.16 RIPE Region origin ASes announcing only one prefix: 1905 RIPE Region transit ASes present in the Internet Routing Table: 697 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: 1905 Number of RIPE addresses announced to Internet: 282367696 Equivalent to 16 /8s, 212 /16s and 150 /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: 57949 Total LACNIC prefixes after maximum aggregation: 16780 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 55743 Unique aggregates announced from the LACNIC address blocks: 24696 LACNIC Region origin ASes present in the Internet Routing Table: 4624 LACNIC Prefixes per ASN: 12.06 LACNIC Region origin ASes announcing only one prefix: 1645 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: 3597 Number of LACNIC addresses announced to Internet: 107383136 Equivalent to 6 /8s, 102 /16s and 137 /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: 10642 Total AfriNIC prefixes after maximum aggregation: 2296 AfriNIC Deaggregation factor: 4.64 Prefixes being announced from the AfriNIC address blocks: 16214 Unique aggregates announced from the AfriNIC address blocks: 7035 AfriNIC Region origin ASes present in the Internet Routing Table: 298 AfriNIC Prefixes per ASN: 54.41 AfriNIC Region origin ASes announcing only one prefix: 114 AfriNIC Region transit ASes present in the Internet Routing Table: 84 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 160 Number of AfriNIC addresses announced to Internet: 46595072 Equivalent to 2 /8s, 198 /16s and 252 /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 13544 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2284 144 487 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 1060 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 14364 41235 5558 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3098 363 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 2011 4244 547 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1634 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1619 1345 742 DNIC-ASBLK-00306-00371 - United States De 19901 1478 737 687 BRIGHTSPEED - Brightspeed, US 20057 1454 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 1274 98 1033 AKAMAI-ASN1, NL 25019 1243 1336 143 SAUDINETSTC-AS, SA 34984 971 144 723 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 885 1841 21 TE-AS TE-AS, EG 212238 754 54 665 CDNEXT, GB 8376 664 53 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 58224 565 281 397 TCI, IR 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 7278 1922 792 UNINET, MX 11830 1965 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1438 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1250 371 22 INTEGRATEL PERU S.A.A., PE 18881 951 1127 31 TELEFONICA BRASIL S.A, BR 26615 926 2474 93 TIM SA, 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 1506 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 856 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 547 82 3 KENET-AS, KE 36935 537 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36992 380 866 247 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 14364 41235 5558 AMAZON-02 - Amazon.com, Inc., US 9808 13544 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7278 1922 792 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4781 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2365 194 1096 AS-COLOCROSSING - HostPapa, US 17561 2284 144 487 LCS-AS-AP LARUS Limited, HK 6167 2011 4244 547 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 13544 13424 CHINAMOBILE-CN China Mobile Communications Grou 8151 7278 6486 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4781 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3407 3218 CMNET-JIANGSU-AP China Mobile communications co 11830 1965 1900 Instituto Costarricense de Electricidad y Telec 17561 2284 1797 LCS-AS-AP LARUS Limited, HK 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 /17:3506 /18:4224 /19:7741 /20:13530 /21:16055 /22:28735 /23:30142 /24:176776 /25:67 /26:82 /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 3988 7278 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2606 14364 AMAZON-02 - Amazon.com, Inc., US 11830 1672 1965 Instituto Costarricense de Electricidad y Telecom., CR 11664 1128 1438 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1033 1478 BRIGHTSPEED - Brightspeed, US 36352 1026 2365 AS-COLOCROSSING - HostPapa, US 209 950 1634 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 934 1523 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 2:486 3:976 4:5 5:1208 6:179 7:5 8:627 9:7 11:172 12:854 13:583 14:127 15:396 16:150 17:3 18:913 20:309 21:4 22:188 23:2839 24:742 27:22 29:19 31:470 32:12 34:9 35:184 36:3354 37:627 38:2437 39:852 40:227 41:1090 42:22 43:216 44:26 45:4654 46:915 47:165 48:20 49:21 50:492 51:517 52:1110 54:259 55:1110 56:11 57:32 58:48 59:27 60:15 61:52 62:610 63:709 64:2207 65:976 66:2374 67:1108 68:491 69:1265 70:426 71:151 72:699 74:986 75:275 76:234 77:423 78:560 79:246 80:325 81:422 82:824 83:204 84:340 85:632 86:254 87:199 88:279 89:580 90:103 91:932 92:699 93:884 94:998 95:1290 96:283 97:44 98:388 99:278 100:22 101:29 102:479 103:1285 104:1728 105:155 107:1763 108:511 109:366 110:53 111:2803 112:1274 113:34 114:35 115:7 116:54 117:1610 118:58 119:96 120:2019 121:36 122:42 123:107 124:65 125:24 126:1 128:609 129:345 130:714 131:1218 132:560 133:218 134:499 135:133 136:718 137:608 138:1053 139:453 140:758 141:420 142:1490 143:879 144:494 145:203 146:669 147:498 148:998 149:787 150:239 151:908 152:793 153:293 154:2381 155:1005 156:2051 157:466 158:662 159:820 160:695 161:714 162:979 163:411 164:734 165:629 166:562 167:707 168:1494 169:202 170:1902 171:105 172:1603 173:757 174:271 175:89 176:633 177:1047 178:645 179:923 180:37 181:2631 182:31 183:1697 184:440 185:3306 186:3499 187:1779 188:1045 189:1999 190:6293 191:565 192:5084 193:1720 194:1099 195:902 196:730 197:1116 198:2653 199:2484 200:4539 201:3613 202:1026 203:752 204:2143 205:1809 206:1488 207:1695 208:1612 209:1969 210:346 211:519 212:1010 213:871 214:985 215:43 216:2485 217:553 218:657 219:18 220:26 221:537 222:27 223:1685 End of report