IPv4 R&E Routing Table Report 20:15 GMT Sat 09 May, 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: 293116 Prefixes after maximum aggregation (per Origin AS): 119216 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150027 Number of IPv4 prefixes with a valid ROA: 152711 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 140187 Total ASes present in the Internet Routing Table: 20118 Prefixes per ASN: 14.57 Origin-only ASes present in the Internet Routing Table: 17281 Origin ASes announcing only one prefix: 7733 Transit ASes present in the Internet Routing Table: 2837 Transit-only ASes present in the Internet Routing Table: 706 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: 216 Number of instances of unregistered ASNs: 245 Number of 32-bit ASNs allocated by the RIRs: 49709 Number of 32-bit ASNs visible in the Routing Table: 8236 Prefixes from 32-bit ASNs in the Routing Table: 35541 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 88 Number of addresses announced to Internet: 1622178085 Equivalent to 96 /8s, 176 /16s and 121 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 95265 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42956 Total APNIC prefixes after maximum aggregation: 7967 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39423 Unique aggregates announced from the APNIC address blocks: 7782 APNIC Region origin ASes present in the Internet Routing Table: 1197 APNIC Prefixes per ASN: 32.93 APNIC Region origin ASes announcing only one prefix: 466 APNIC Region transit ASes present in the Internet Routing Table: 203 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 579 Number of APNIC addresses announced to Internet: 168451692 Equivalent to 10 /8s, 10 /16s and 94 /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: 128557 Total ARIN prefixes after maximum aggregation: 65375 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126042 Unique aggregates announced from the ARIN address blocks: 71357 ARIN Region origin ASes present in the Internet Routing Table: 8922 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3699 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2163 Number of ARIN addresses announced to Internet: 1019319081 Equivalent to 60 /8s, 193 /16s and 147 /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, 393216-404380 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: 53075 Total RIPE prefixes after maximum aggregation: 26299 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55890 Unique aggregates announced from the RIPE address blocks: 38602 RIPE Region origin ASes present in the Internet Routing Table: 4507 RIPE Prefixes per ASN: 12.40 RIPE Region origin ASes announcing only one prefix: 1911 RIPE Region transit ASes present in the Internet Routing Table: 711 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: 1968 Number of RIPE addresses announced to Internet: 283381968 Equivalent to 16 /8s, 228 /16s and 16 /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: 58326 Total LACNIC prefixes after maximum aggregation: 16678 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55611 Unique aggregates announced from the LACNIC address blocks: 24456 LACNIC Region origin ASes present in the Internet Routing Table: 4390 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1543 LACNIC Region transit ASes present in the Internet Routing Table: 882 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: 3371 Number of LACNIC addresses announced to Internet: 106526144 Equivalent to 6 /8s, 89 /16s and 117 /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: 9986 Total AfriNIC prefixes after maximum aggregation: 2732 AfriNIC Deaggregation factor: 3.66 Prefixes being announced from the AfriNIC address blocks: 16062 Unique aggregates announced from the AfriNIC address blocks: 7753 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 57.36 AfriNIC Region origin ASes announcing only one prefix: 114 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155 Number of AfriNIC addresses announced to Internet: 44430848 Equivalent to 2 /8s, 165 /16s and 246 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13676 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2447 154 443 LCS-AS-AP LARUS Limited, HK 56041 1821 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1075 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 834 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14931 41296 5701 AMAZON-02 - Amazon.com, Inc., US 22773 4775 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2535 192 1108 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1513 1245 728 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 BRIGHTSPEED - Brightspeed, US 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1514 1384 140 SAUDINETSTC-AS, SA 20940 1236 95 1014 AKAMAI-ASN1, NL 8452 1163 1841 20 TE-AS TE-AS, EG 34984 1035 145 736 TELLCOM-AS, TR 3215 875 4814 339 France Telecom - Orange, FR 212238 791 57 699 CDNEXT, GB 8376 677 53 30 UNASSIGNED 35819 593 583 77 MOBILY-AS Etihad Etisalat Company Mobily, 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 7625 1898 778 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1448 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1225 379 23 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 667 42 245 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 1516 553 29 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 753 170 175 Vodafone-, EG 24863 733 114 364 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 558 82 3 KENET-AS, KE 36992 532 778 349 ETISALAT-MISR, EG 36903 520 242 353 MT-MPLS, MA 2018 373 318 69 TENET-1, ZA 37693 349 599 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 14931 41296 5701 AMAZON-02 - Amazon.com, Inc., US 9808 13676 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7625 1898 778 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4775 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2535 192 1108 AS-COLOCROSSING - HostPapa, US 17561 2447 154 443 LCS-AS-AP LARUS Limited, HK 6167 2149 4362 556 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 13676 13555 CHINAMOBILE-CN China Mobile Communications Grou 8151 7625 6847 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4775 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3474 3285 CMNET-JIANGSU-AP China Mobile communications co 17561 2447 2004 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 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 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, 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 /11:54 /12:160 /13:216 /14:579 /15:1083 /16:7470 /17:3508 /18:4280 /19:7855 /20:13353 /21:16295 /22:28883 /23:30369 /24:178671 /25:64 /26:83 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4279 7625 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3057 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2688 14931 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1448 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1052 2535 AS-COLOCROSSING - HostPapa, US 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 6167 986 2149 CELLCO-PART - Verizon Business, US 209 943 1619 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:79 2:550 3:1001 4:1 5:1167 6:187 7:5 8:616 9:7 11:172 12:830 13:640 14:125 15:405 16:182 17:3 18:914 20:371 21:4 22:188 23:3009 24:793 27:18 28:1 29:19 31:431 32:13 34:12 35:178 36:3430 37:685 38:2620 39:878 40:61 41:1084 42:20 43:219 44:27 45:4360 46:899 47:188 48:67 49:24 50:474 51:545 52:1119 54:275 55:1020 56:11 57:32 58:17 59:27 60:14 61:56 62:662 63:683 64:2230 65:1017 66:2468 67:1187 68:501 69:1180 70:422 71:140 72:740 74:1033 75:260 76:221 77:527 78:559 79:272 80:343 81:429 82:823 83:214 84:398 85:634 86:253 87:234 88:280 89:626 90:122 91:940 92:619 93:935 94:985 95:1271 96:274 97:46 98:470 99:298 100:40 101:30 102:412 103:1148 104:1653 105:163 106:7 107:1837 108:528 109:384 110:62 111:2815 112:1326 113:40 114:32 115:16 116:53 117:1641 118:54 119:76 120:2048 121:38 122:44 123:106 124:64 125:19 126:1 128:505 129:390 130:725 131:1274 132:551 133:214 134:535 135:119 136:680 137:595 138:1092 139:458 140:748 141:473 142:1564 143:854 144:519 145:173 146:679 147:498 148:1051 149:838 150:217 151:905 152:844 153:543 154:2486 155:970 156:2113 157:435 158:685 159:895 160:774 161:703 162:972 163:365 164:720 165:636 166:559 167:712 168:1466 169:161 170:1849 171:104 172:1495 173:810 174:352 175:128 176:752 177:1140 178:650 179:908 180:37 181:2641 182:27 183:1732 184:445 185:3357 186:3729 187:1905 188:1052 189:1996 190:6215 191:632 192:5121 193:1702 194:1117 195:946 196:681 197:685 198:2658 199:2489 200:4537 201:3603 202:1014 203:717 204:2187 205:1844 206:1511 207:1715 208:1625 209:2003 210:353 211:518 212:1083 213:874 214:952 215:36 216:2512 217:539 218:669 219:18 220:27 221:536 222:28 223:1713 End of report