IPv4 R&E Routing Table Report 20:15 GMT Fri 08 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: 293204 Prefixes after maximum aggregation (per Origin AS): 119239 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150073 Number of IPv4 prefixes with a valid ROA: 152667 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 140325 Total ASes present in the Internet Routing Table: 20122 Prefixes per ASN: 14.57 Origin-only ASes present in the Internet Routing Table: 17288 Origin ASes announcing only one prefix: 7739 Transit ASes present in the Internet Routing Table: 2834 Transit-only ASes present in the Internet Routing Table: 698 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: 218 Number of instances of unregistered ASNs: 247 Number of 32-bit ASNs allocated by the RIRs: 49685 Number of 32-bit ASNs visible in the Routing Table: 8233 Prefixes from 32-bit ASNs in the Routing Table: 35574 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: 91 Number of addresses announced to Internet: 1621443621 Equivalent to 96 /8s, 165 /16s and 68 /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: 95327 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42924 Total APNIC prefixes after maximum aggregation: 7937 APNIC Deaggregation factor: 5.41 Prefixes being announced from the APNIC address blocks: 39346 Unique aggregates announced from the APNIC address blocks: 7718 APNIC Region origin ASes present in the Internet Routing Table: 1194 APNIC Prefixes per ASN: 32.95 APNIC Region origin ASes announcing only one prefix: 469 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: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 572 Number of APNIC addresses announced to Internet: 168263788 Equivalent to 10 /8s, 7 /16s and 128 /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: 128730 Total ARIN prefixes after maximum aggregation: 65472 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126177 Unique aggregates announced from the ARIN address blocks: 71399 ARIN Region origin ASes present in the Internet Routing Table: 8935 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3706 ARIN Region transit ASes present in the Internet Routing Table: 845 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: 2162 Number of ARIN addresses announced to Internet: 1019217961 Equivalent to 60 /8s, 192 /16s and 8 /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: 53082 Total RIPE prefixes after maximum aggregation: 26318 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55940 Unique aggregates announced from the RIPE address blocks: 38656 RIPE Region origin ASes present in the Internet Routing Table: 4511 RIPE Prefixes per ASN: 12.40 RIPE Region origin ASes announcing only one prefix: 1908 RIPE Region transit ASes present in the Internet Routing Table: 714 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1971 Number of RIPE addresses announced to Internet: 283337680 Equivalent to 16 /8s, 227 /16s and 99 /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: 58421 Total LACNIC prefixes after maximum aggregation: 16651 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55707 Unique aggregates announced from the LACNIC address blocks: 24450 LACNIC Region origin ASes present in the Internet Routing Table: 4391 LACNIC Prefixes per ASN: 12.69 LACNIC Region origin ASes announcing only one prefix: 1546 LACNIC Region transit ASes present in the Internet Routing Table: 881 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: 3374 Number of LACNIC addresses announced to Internet: 106503872 Equivalent to 6 /8s, 89 /16s and 30 /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: 9829 Total AfriNIC prefixes after maximum aggregation: 2696 AfriNIC Deaggregation factor: 3.65 Prefixes being announced from the AfriNIC address blocks: 15943 Unique aggregates announced from the AfriNIC address blocks: 7772 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 57.56 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 154 Number of AfriNIC addresses announced to Internet: 44050944 Equivalent to 2 /8s, 160 /16s and 42 /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 13678 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 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 14917 41294 5692 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2531 192 1112 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 1515 1245 730 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 1507 1384 140 SAUDINETSTC-AS, SA 20940 1236 95 1014 AKAMAI-ASN1, NL 8452 1162 1841 19 TE-AS TE-AS, EG 34984 1017 139 726 TELLCOM-AS, TR 3215 875 4814 339 France Telecom - Orange, FR 212238 791 57 699 CDNEXT, GB 8376 676 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 7752 1910 779 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 1228 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 36935 753 170 175 Vodafone-, EG 37069 747 1036 27 MOBINIL, EG 24863 640 91 324 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 550 82 3 KENET-AS, KE 36992 532 778 349 ETISALAT-MISR, EG 36903 503 233 345 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 14917 41294 5692 AMAZON-02 - Amazon.com, Inc., US 9808 13678 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7752 1910 779 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2531 192 1112 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 13678 13557 CHINAMOBILE-CN China Mobile Communications Grou 8151 7752 6973 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4776 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 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 /12:158 /13:214 /14:579 /15:1083 /16:7463 /17:3508 /18:4281 /19:7825 /20:13290 /21:16389 /22:28812 /23:30385 /24:178823 /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 4293 7752 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3057 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2683 14917 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 2531 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 3:1000 4:1 5:1167 6:187 7:5 8:617 9:7 11:172 12:829 13:640 14:125 15:405 16:182 17:3 18:913 20:371 21:4 22:188 23:3012 24:797 27:18 28:1 29:19 31:432 32:13 34:12 35:178 36:3429 37:680 38:2625 39:878 40:62 41:1082 42:20 43:217 44:26 45:4390 46:903 47:188 48:67 49:24 50:474 51:546 52:1119 54:275 55:1027 56:11 57:32 58:17 59:27 60:14 61:56 62:663 63:683 64:2227 65:1017 66:2472 67:1192 68:501 69:1188 70:422 71:140 72:746 74:1033 75:260 76:222 77:528 78:560 79:272 80:343 81:429 82:825 83:214 84:398 85:635 86:253 87:237 88:281 89:631 90:122 91:936 92:619 93:937 94:989 95:1272 96:275 97:46 98:468 99:298 100:40 101:29 102:411 103:1146 104:1653 105:163 106:7 107:1838 108:529 109:384 110:62 111:2816 112:1326 113:40 114:33 115:15 116:53 117:1643 118:54 119:76 120:2048 121:37 122:45 123:106 124:60 125:19 126:1 128:506 129:388 130:724 131:1263 132:550 133:214 134:535 135:119 136:680 137:595 138:1093 139:458 140:747 141:473 142:1565 143:855 144:521 145:173 146:674 147:499 148:1050 149:839 150:214 151:909 152:857 153:544 154:2504 155:969 156:2129 157:434 158:682 159:895 160:775 161:705 162:977 163:363 164:725 165:636 166:559 167:712 168:1464 169:161 170:1856 171:103 172:1496 173:812 174:353 175:128 176:750 177:1149 178:649 179:921 180:37 181:2639 182:27 183:1732 184:445 185:3361 186:3728 187:1910 188:1054 189:1981 190:6199 191:633 192:5118 193:1706 194:1121 195:945 196:679 197:674 198:2659 199:2501 200:4523 201:3615 202:1014 203:717 204:2187 205:1845 206:1521 207:1717 208:1623 209:2010 210:351 211:518 212:1090 213:873 214:952 215:36 216:2515 217:539 218:669 219:18 220:27 221:536 222:29 223:1713 End of report