IPv4 R&E Routing Table Report 20:15 GMT Sat 28 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: 290145 Prefixes after maximum aggregation (per Origin AS): 118098 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148205 Number of IPv4 prefixes with a valid ROA: 148493 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141438 Total ASes present in the Internet Routing Table: 20418 Prefixes per ASN: 14.21 Origin-only ASes present in the Internet Routing Table: 17553 Origin ASes announcing only one prefix: 7876 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 727 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: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 257 Number of instances of unregistered ASNs: 286 Number of 32-bit ASNs allocated by the RIRs: 48897 Number of 32-bit ASNs visible in the Routing Table: 8364 Prefixes from 32-bit ASNs in the Routing Table: 35509 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: 98 Number of addresses announced to Internet: 1624572869 Equivalent to 96 /8s, 213 /16s and 3 /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: 93288 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42683 Total APNIC prefixes after maximum aggregation: 8125 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39087 Unique aggregates announced from the APNIC address blocks: 7873 APNIC Region origin ASes present in the Internet Routing Table: 1240 APNIC Prefixes per ASN: 31.52 APNIC Region origin ASes announcing only one prefix: 518 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: 596 Number of APNIC addresses announced to Internet: 170514284 Equivalent to 10 /8s, 41 /16s and 215 /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: 128178 Total ARIN prefixes after maximum aggregation: 65291 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125379 Unique aggregates announced from the ARIN address blocks: 71759 ARIN Region origin ASes present in the Internet Routing Table: 8998 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 3721 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: 2156 Number of ARIN addresses announced to Internet: 1018819881 Equivalent to 60 /8s, 185 /16s and 245 /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: 51171 Total RIPE prefixes after maximum aggregation: 25766 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54241 Unique aggregates announced from the RIPE address blocks: 37425 RIPE Region origin ASes present in the Internet Routing Table: 4458 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1898 RIPE Region transit ASes present in the Internet Routing Table: 689 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1894 Number of RIPE addresses announced to Internet: 282205904 Equivalent to 16 /8s, 210 /16s and 30 /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: 58030 Total LACNIC prefixes after maximum aggregation: 16637 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55817 Unique aggregates announced from the LACNIC address blocks: 24438 LACNIC Region origin ASes present in the Internet Routing Table: 4597 LACNIC Prefixes per ASN: 12.14 LACNIC Region origin ASes announcing only one prefix: 1633 LACNIC Region transit ASes present in the Internet Routing Table: 900 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3566 Number of LACNIC addresses announced to Internet: 107357024 Equivalent to 6 /8s, 102 /16s and 35 /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: 9826 Total AfriNIC prefixes after maximum aggregation: 2084 AfriNIC Deaggregation factor: 4.71 Prefixes being announced from the AfriNIC address blocks: 15523 Unique aggregates announced from the AfriNIC address blocks: 6622 AfriNIC Region origin ASes present in the Internet Routing Table: 284 AfriNIC Prefixes per ASN: 54.66 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: 6.3 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152 Number of AfriNIC addresses announced to Internet: 45597952 Equivalent to 2 /8s, 183 /16s and 197 /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 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2364 149 491 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 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 707 1210 157 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 14400 41220 5550 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1898 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1610 1334 736 DNIC-ASBLK-00306-00371 - United States De 19901 1475 737 685 BRIGHTSPEED - Brightspeed, US 20057 1456 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 4829 298 69 ALJAWWALSTC-AS, SA 20940 1279 98 1037 AKAMAI-ASN1, NL 25019 1272 1335 144 SAUDINETSTC-AS, SA 34984 988 145 732 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 885 1841 21 TE-AS TE-AS, EG 212238 733 53 646 CDNEXT, GB 8376 665 53 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 542 541 85 MOBILY-AS Etihad Etisalat Company Mobily, 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 7274 1920 796 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1440 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1249 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 951 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 691 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 36914 543 82 3 KENET-AS, KE 36935 538 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36992 381 868 250 ETISALAT-MISR, EG 2018 375 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN 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 14400 41220 5550 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7274 1920 796 UNINET, MX 39891 4829 298 69 ALJAWWALSTC-AS, SA 22773 4781 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 17561 2364 149 491 LCS-AS-AP LARUS Limited, HK 6167 2006 4258 558 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 7274 6478 UNINET, MX 39891 4829 4760 ALJAWWALSTC-AS, SA 22773 4781 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3407 3218 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2364 1873 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1898 1684 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 1666 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 /14:579 /15:1077 /16:7515 /17:3519 /18:4205 /19:7721 /20:13554 /21:15940 /22:28786 /23:30150 /24:176322 /25:67 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4011 7274 UNINET, MX 39891 3643 4829 ALJAWWALSTC-AS, SA 22773 3050 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2612 14400 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1440 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1093 2581 AS-COLOCROSSING - HostPapa, US 19901 1031 1475 BRIGHTSPEED - Brightspeed, US 209 950 1633 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 2:520 3:977 4:5 5:1208 6:184 7:5 8:627 9:7 11:172 12:853 13:587 14:127 15:397 16:152 17:3 18:915 20:341 21:4 22:188 23:2970 24:654 27:18 29:19 31:460 32:12 34:11 35:183 36:3352 37:622 38:2480 39:852 40:227 41:1053 42:22 43:213 44:26 45:4696 46:913 47:164 48:20 49:21 50:503 51:517 52:1080 54:260 55:1021 56:11 57:33 58:48 59:28 60:15 61:51 62:607 63:701 64:2229 65:978 66:2387 67:1108 68:492 69:1245 70:426 71:151 72:692 74:970 75:276 76:232 77:431 78:560 79:256 80:324 81:421 82:815 83:204 84:340 85:620 86:251 87:195 88:278 89:576 90:103 91:929 92:695 93:884 94:977 95:1272 96:285 97:44 98:389 99:280 100:21 101:25 102:428 103:1241 104:1744 105:159 107:1807 108:512 109:365 110:52 111:2801 112:1274 113:34 114:37 115:7 116:52 117:1620 118:59 119:83 120:2018 121:34 122:42 123:108 124:64 125:24 126:1 128:560 129:294 130:716 131:1242 132:556 133:218 134:495 135:133 136:722 137:607 138:1056 139:450 140:756 141:422 142:1493 143:885 144:505 145:214 146:671 147:502 148:1005 149:774 150:235 151:908 152:790 153:294 154:2448 155:1012 156:2076 157:469 158:669 159:819 160:690 161:713 162:985 163:412 164:733 165:629 166:570 167:709 168:1498 169:201 170:1888 171:104 172:1615 173:761 174:271 175:90 176:631 177:1056 178:641 179:926 180:36 181:2631 182:29 183:1697 184:446 185:3288 186:3513 187:1782 188:1033 189:2021 190:6316 191:574 192:5120 193:1722 194:1102 195:895 196:686 197:677 198:2698 199:2485 200:4438 201:3625 202:1017 203:741 204:2162 205:1819 206:1493 207:1690 208:1618 209:1995 210:341 211:519 212:1016 213:869 214:990 215:41 216:2442 217:552 218:655 219:18 220:26 221:537 222:28 223:1686 End of report