IPv4 R&E Routing Table Report 20:15 GMT Fri 06 Mar, 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: 289946 Prefixes after maximum aggregation (per Origin AS): 117899 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147281 Number of IPv4 prefixes with a valid ROA: 148860 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 140868 Total ASes present in the Internet Routing Table: 20302 Prefixes per ASN: 14.28 Origin-only ASes present in the Internet Routing Table: 17447 Origin ASes announcing only one prefix: 7826 Transit ASes present in the Internet Routing Table: 2855 Transit-only ASes present in the Internet Routing Table: 720 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 253 Number of instances of unregistered ASNs: 282 Number of 32-bit ASNs allocated by the RIRs: 48965 Number of 32-bit ASNs visible in the Routing Table: 8246 Prefixes from 32-bit ASNs in the Routing Table: 35042 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: 96 Number of addresses announced to Internet: 1626109637 Equivalent to 96 /8s, 236 /16s and 118 /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: 93103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42503 Total APNIC prefixes after maximum aggregation: 8083 APNIC Deaggregation factor: 5.26 Prefixes being announced from the APNIC address blocks: 38991 Unique aggregates announced from the APNIC address blocks: 7859 APNIC Region origin ASes present in the Internet Routing Table: 1234 APNIC Prefixes per ASN: 31.60 APNIC Region origin ASes announcing only one prefix: 509 APNIC Region transit ASes present in the Internet Routing Table: 219 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 597 Number of APNIC addresses announced to Internet: 168744300 Equivalent to 10 /8s, 14 /16s and 213 /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: 128892 Total ARIN prefixes after maximum aggregation: 65312 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125955 Unique aggregates announced from the ARIN address blocks: 71290 ARIN Region origin ASes present in the Internet Routing Table: 9004 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 3735 ARIN Region transit ASes present in the Internet Routing Table: 856 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: 2153 Number of ARIN addresses announced to Internet: 1022116393 Equivalent to 60 /8s, 236 /16s and 66 /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: 50848 Total RIPE prefixes after maximum aggregation: 25626 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53890 Unique aggregates announced from the RIPE address blocks: 37124 RIPE Region origin ASes present in the Internet Routing Table: 4448 RIPE Prefixes per ASN: 12.12 RIPE Region origin ASes announcing only one prefix: 1892 RIPE Region transit ASes present in the Internet Routing Table: 693 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1891 Number of RIPE addresses announced to Internet: 282133200 Equivalent to 16 /8s, 209 /16s and 2 /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: 57538 Total LACNIC prefixes after maximum aggregation: 16586 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55437 Unique aggregates announced from the LACNIC address blocks: 24270 LACNIC Region origin ASes present in the Internet Routing Table: 4505 LACNIC Prefixes per ASN: 12.31 LACNIC Region origin ASes announcing only one prefix: 1587 LACNIC Region transit ASes present in the Internet Routing Table: 885 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: 3457 Number of LACNIC addresses announced to Internet: 107391328 Equivalent to 6 /8s, 102 /16s and 169 /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: 9912 Total AfriNIC prefixes after maximum aggregation: 2100 AfriNIC Deaggregation factor: 4.72 Prefixes being announced from the AfriNIC address blocks: 15577 Unique aggregates announced from the AfriNIC address blocks: 6652 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 55.83 AfriNIC Region origin ASes announcing only one prefix: 103 AfriNIC Region transit ASes present in the Internet Routing Table: 78 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: 148 Number of AfriNIC addresses announced to Internet: 45650944 Equivalent to 2 /8s, 184 /16s and 148 /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 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2328 146 480 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 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 14453 41235 5567 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 6167 2016 4259 564 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1632 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1586 1308 732 DNIC-ASBLK-00306-00371 - United States De 19901 1476 737 686 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 4833 298 71 ALJAWWALSTC-AS, SA 20940 1284 99 1037 AKAMAI-ASN1, NL 25019 1274 1335 143 SAUDINETSTC-AS, SA 34984 982 145 730 TELLCOM-AS, TR 3215 900 4820 301 France Telecom - Orange, FR 8452 889 1841 19 TE-AS TE-AS, EG 212238 729 52 642 CDNEXT, GB 8376 668 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 529 98 448 OPENTRANSIT, FR 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 7289 1924 797 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1514 211 1129 Telmex Colombia S.A., CO 11664 1451 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 26615 1053 2475 94 TIM SA, BR 18881 966 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 683 43 200 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 1528 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 854 389 16 LINKdotNET-AS, EG 36914 549 82 3 KENET-AS, KE 36935 538 515 11 Vodafone-, EG 36903 520 242 353 MT-MPLS, MA 36992 436 895 263 ETISALAT-MISR, EG 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 2018 374 318 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 14453 41235 5567 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7289 1924 797 UNINET, MX 39891 4833 298 71 ALJAWWALSTC-AS, SA 22773 4781 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 17561 2328 146 480 LCS-AS-AP LARUS Limited, HK 6167 2016 4259 564 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 7289 6492 UNINET, MX 39891 4833 4762 ALJAWWALSTC-AS, SA 22773 4781 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2328 1848 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 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 /11:56 /12:160 /13:219 /14:583 /15:1078 /16:7518 /17:3522 /18:4223 /19:7752 /20:13644 /21:16060 /22:29007 /23:30105 /24:175675 /25:65 /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 4023 7289 UNINET, MX 39891 3647 4833 ALJAWWALSTC-AS, SA 22773 3049 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2591 14453 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1031 1476 BRIGHTSPEED - Brightspeed, US 36352 1029 2371 AS-COLOCROSSING - HostPapa, US 209 949 1632 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 926 1514 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 2:513 3:998 4:1 5:1162 6:180 7:5 8:621 9:7 11:172 12:850 13:596 14:127 15:398 16:152 17:3 18:911 20:342 21:4 22:188 23:2950 24:680 27:21 29:19 31:457 32:12 34:9 35:185 36:3350 37:627 38:2449 39:852 40:229 41:1070 42:22 43:213 44:25 45:4618 46:905 47:164 48:29 49:21 50:496 51:453 52:1093 54:272 55:1117 56:11 57:29 58:46 59:34 60:16 61:47 62:605 63:701 64:2219 65:974 66:2376 67:1113 68:493 69:1232 70:427 71:150 72:713 74:1011 75:273 76:232 77:447 78:554 79:250 80:326 81:414 82:808 83:203 84:335 85:604 86:253 87:193 88:277 89:565 90:102 91:917 92:667 93:885 94:986 95:1252 96:278 97:53 98:389 99:285 100:21 101:24 102:433 103:1228 104:1731 105:159 107:1758 108:503 109:365 110:51 111:2751 112:1296 113:34 114:38 115:7 116:57 117:1615 118:58 119:71 120:2020 121:35 122:42 123:107 124:61 125:23 126:1 128:606 129:309 130:722 131:1225 132:555 133:217 134:498 135:133 136:721 137:600 138:1036 139:461 140:758 141:420 142:1492 143:840 144:505 145:210 146:676 147:553 148:1011 149:735 150:238 151:902 152:793 153:294 154:2402 155:997 156:2083 157:461 158:658 159:813 160:657 161:708 162:1018 163:421 164:739 165:627 166:570 167:721 168:1501 169:198 170:1899 171:103 172:1589 173:799 174:271 175:88 176:622 177:999 178:627 179:909 180:36 181:2591 182:25 183:1694 184:447 185:3264 186:3487 187:1730 188:1035 189:2027 190:6270 191:581 192:5093 193:1724 194:1096 195:902 196:700 197:683 198:2668 199:2477 200:4383 201:3629 202:1012 203:726 204:2166 205:1808 206:1511 207:1704 208:1628 209:2048 210:320 211:512 212:1010 213:865 214:964 215:35 216:2462 217:545 218:654 219:18 220:28 221:537 222:30 223:1686 End of report