IPv4 R&E Routing Table Report 20:15 GMT Sun 22 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: 291341 Prefixes after maximum aggregation (per Origin AS): 118773 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149075 Number of IPv4 prefixes with a valid ROA: 149394 Number of IPv4 prefixes with an invalid ROA: 242 Number of IPv4 prefixes with no ROA: 141705 Total ASes present in the Internet Routing Table: 20496 Prefixes per ASN: 14.21 Origin-only ASes present in the Internet Routing Table: 17607 Origin ASes announcing only one prefix: 7899 Transit ASes present in the Internet Routing Table: 2889 Transit-only ASes present in the Internet Routing Table: 737 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: 48843 Number of 32-bit ASNs visible in the Routing Table: 8396 Prefixes from 32-bit ASNs in the Routing Table: 35326 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: 97 Number of addresses announced to Internet: 1624090053 Equivalent to 96 /8s, 205 /16s and 165 /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: 93608 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43643 Total APNIC prefixes after maximum aggregation: 8611 APNIC Deaggregation factor: 5.07 Prefixes being announced from the APNIC address blocks: 39766 Unique aggregates announced from the APNIC address blocks: 8556 APNIC Region origin ASes present in the Internet Routing Table: 1268 APNIC Prefixes per ASN: 31.36 APNIC Region origin ASes announcing only one prefix: 539 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: 610 Number of APNIC addresses announced to Internet: 170630764 Equivalent to 10 /8s, 43 /16s and 158 /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: 127400 Total ARIN prefixes after maximum aggregation: 65085 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124559 Unique aggregates announced from the ARIN address blocks: 71008 ARIN Region origin ASes present in the Internet Routing Table: 8982 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 3705 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2148 Number of ARIN addresses announced to Internet: 1017189673 Equivalent to 60 /8s, 161 /16s and 21 /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: 51352 Total RIPE prefixes after maximum aggregation: 25834 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54437 Unique aggregates announced from the RIPE address blocks: 37373 RIPE Region origin ASes present in the Internet Routing Table: 4474 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1909 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: 1892 Number of RIPE addresses announced to Internet: 282505680 Equivalent to 16 /8s, 214 /16s and 177 /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: 58143 Total LACNIC prefixes after maximum aggregation: 16813 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55939 Unique aggregates announced from the LACNIC address blocks: 24677 LACNIC Region origin ASes present in the Internet Routing Table: 4628 LACNIC Prefixes per ASN: 12.09 LACNIC Region origin ASes announcing only one prefix: 1633 LACNIC Region transit ASes present in the Internet Routing Table: 925 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: 3589 Number of LACNIC addresses announced to Internet: 107382112 Equivalent to 6 /8s, 102 /16s and 133 /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: 10556 Total AfriNIC prefixes after maximum aggregation: 2233 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 16543 Unique aggregates announced from the AfriNIC address blocks: 7374 AfriNIC Region origin ASes present in the Internet Routing Table: 292 AfriNIC Prefixes per ASN: 56.65 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 83 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 46303488 Equivalent to 2 /8s, 194 /16s and 137 /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 2719 171 523 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 713 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 14333 41157 5583 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3098 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2363 194 1095 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1635 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1612 1334 739 DNIC-ASBLK-00306-00371 - United States De 19901 1475 736 687 BRIGHTSPEED - Brightspeed, US 20057 1450 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 25019 1240 1336 139 SAUDINETSTC-AS, SA 20940 1119 87 905 AKAMAI-ASN1, NL 34984 972 144 724 TELLCOM-AS, TR 3215 900 4820 300 France Telecom - Orange, FR 8452 880 1841 21 TE-AS TE-AS, EG 212238 746 54 659 CDNEXT, GB 8376 667 54 30 Jordan Data Communications, JO 58224 575 289 401 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 7264 1928 796 UNINET, MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1413 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1254 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2475 94 TIM SA, BR 18881 946 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 1490 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 853 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36935 553 515 10 Vodafone-, EG 36914 542 82 3 KENET-AS, KE 36903 531 251 356 MT-MPLS, MA 29571 460 78 20 ORANGE-COTE-IVOIRE, CI 36992 389 873 252 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 14333 41157 5583 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7264 1928 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4780 3098 363 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 2719 171 523 LCS-AS-AP LARUS Limited, HK 36352 2363 194 1095 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 7264 6468 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4780 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3406 3217 CMNET-JIANGSU-AP China Mobile communications co 17561 2719 2196 LCS-AS-AP LARUS Limited, HK 11830 1992 1927 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 23.176.104.0/24 Origin: 32097 WII - WholeSale Internet, Inc., US 23.176.104.0/24 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 /13:216 /14:579 /15:1076 /16:7505 /17:3499 /18:4219 /19:7730 /20:13506 /21:16157 /22:28795 /23:30146 /24:177403 /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 3990 7264 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3055 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2603 14333 AMAZON-02 - Amazon.com, Inc., US 11830 1696 1992 Instituto Costarricense de Electricidad y Telecom., CR 11664 1102 1413 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1033 1475 BRIGHTSPEED - Brightspeed, US 36352 1026 2363 AS-COLOCROSSING - HostPapa, US 209 951 1635 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 2:411 3:980 4:5 5:1167 6:178 7:5 8:631 9:7 11:172 12:868 13:583 14:179 15:396 16:149 17:3 18:911 20:341 21:4 22:188 23:2800 24:658 27:45 29:19 31:475 32:13 34:9 35:184 36:3360 37:638 38:2440 39:851 40:260 41:1074 42:22 43:217 44:27 45:4661 46:938 47:166 48:20 49:21 50:492 51:519 52:1106 54:253 55:1119 56:11 57:32 58:48 59:36 60:74 61:56 62:610 63:709 64:2212 65:975 66:2379 67:1109 68:492 69:1225 70:428 71:151 72:693 74:973 75:275 76:225 77:435 78:563 79:241 80:356 81:420 82:850 83:201 84:340 85:630 86:251 87:204 88:268 89:569 90:103 91:922 92:695 93:890 94:982 95:1253 96:284 97:44 98:390 99:278 100:22 101:27 102:474 103:1269 104:1721 105:132 107:1762 108:507 109:365 110:104 111:2804 112:1273 113:34 114:35 115:54 116:55 117:1609 118:65 119:85 120:2018 121:35 122:42 123:123 124:71 125:26 126:1 128:607 129:357 130:718 131:1200 132:549 133:218 134:499 135:134 136:722 137:606 138:1043 139:457 140:760 141:426 142:1463 143:876 144:492 145:206 146:668 147:502 148:996 149:787 150:237 151:914 152:822 153:289 154:2576 155:999 156:2275 157:466 158:655 159:810 160:690 161:710 162:984 163:409 164:737 165:636 166:566 167:718 168:1494 169:201 170:1891 171:105 172:1577 173:756 174:272 175:90 176:629 177:1077 178:657 179:924 180:37 181:2606 182:29 183:1699 184:436 185:3307 186:3502 187:1770 188:1041 189:2017 190:6317 191:561 192:5043 193:1753 194:1120 195:929 196:695 197:1104 198:2639 199:2483 200:4544 201:3685 202:1031 203:820 204:2143 205:1815 206:1482 207:1688 208:1608 209:1965 210:348 211:519 212:1020 213:886 214:987 215:43 216:2489 217:557 218:656 219:18 220:79 221:537 222:27 223:1684 End of report