IPv4 R&E Routing Table Report 20:15 GMT Tue 03 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: 289200 Prefixes after maximum aggregation (per Origin AS): 117929 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147764 Number of IPv4 prefixes with a valid ROA: 148117 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 140868 Total ASes present in the Internet Routing Table: 20280 Prefixes per ASN: 14.26 Origin-only ASes present in the Internet Routing Table: 17420 Origin ASes announcing only one prefix: 7819 Transit ASes present in the Internet Routing Table: 2860 Transit-only ASes present in the Internet Routing Table: 728 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: 256 Number of instances of unregistered ASNs: 285 Number of 32-bit ASNs allocated by the RIRs: 48908 Number of 32-bit ASNs visible in the Routing Table: 8224 Prefixes from 32-bit ASNs in the Routing Table: 34746 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: 1624130245 Equivalent to 96 /8s, 206 /16s and 66 /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: 92633 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42852 Total APNIC prefixes after maximum aggregation: 8176 APNIC Deaggregation factor: 5.24 Prefixes being announced from the APNIC address blocks: 39282 Unique aggregates announced from the APNIC address blocks: 8062 APNIC Region origin ASes present in the Internet Routing Table: 1258 APNIC Prefixes per ASN: 31.23 APNIC Region origin ASes announcing only one prefix: 523 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: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 604 Number of APNIC addresses announced to Internet: 171239020 Equivalent to 10 /8s, 52 /16s and 230 /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: 127856 Total ARIN prefixes after maximum aggregation: 65294 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125004 Unique aggregates announced from the ARIN address blocks: 71531 ARIN Region origin ASes present in the Internet Routing Table: 8985 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 3711 ARIN Region transit ASes present in the Internet Routing Table: 860 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: 2149 Number of ARIN addresses announced to Internet: 1018179369 Equivalent to 60 /8s, 176 /16s and 47 /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: 51040 Total RIPE prefixes after maximum aggregation: 25781 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54053 Unique aggregates announced from the RIPE address blocks: 37185 RIPE Region origin ASes present in the Internet Routing Table: 4448 RIPE Prefixes per ASN: 12.15 RIPE Region origin ASes announcing only one prefix: 1889 RIPE Region transit ASes present in the Internet Routing Table: 696 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1885 Number of RIPE addresses announced to Internet: 282149840 Equivalent to 16 /8s, 209 /16s and 67 /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: 57378 Total LACNIC prefixes after maximum aggregation: 16435 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55265 Unique aggregates announced from the LACNIC address blocks: 24213 LACNIC Region origin ASes present in the Internet Routing Table: 4461 LACNIC Prefixes per ASN: 12.39 LACNIC Region origin ASes announcing only one prefix: 1586 LACNIC Region transit ASes present in the Internet Routing Table: 884 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: 3430 Number of LACNIC addresses announced to Internet: 107288928 Equivalent to 6 /8s, 101 /16s and 25 /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: 9818 Total AfriNIC prefixes after maximum aggregation: 2049 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 15498 Unique aggregates announced from the AfriNIC address blocks: 6685 AfriNIC Region origin ASes present in the Internet Routing Table: 287 AfriNIC Prefixes per ASN: 54.00 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 80 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: 156 Number of AfriNIC addresses announced to Internet: 45195264 Equivalent to 2 /8s, 177 /16s and 160 /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 2343 147 486 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 14412 41221 5564 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2374 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1615 1343 739 DNIC-ASBLK-00306-00371 - United States De 19901 1474 737 684 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 4969 306 72 ALJAWWALSTC-AS, SA 25019 1279 1335 144 SAUDINETSTC-AS, SA 20940 1278 98 1036 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 888 1841 21 TE-AS TE-AS, EG 212238 733 53 646 CDNEXT, GB 8376 671 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 544 545 84 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 7446 1965 813 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1442 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 954 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 673 164 24 America Movil Peru S.A.C., PE 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 1524 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 853 389 16 LINKdotNET-AS, EG 36914 550 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36992 410 882 258 ETISALAT-MISR, EG 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 14412 41221 5564 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7446 1965 813 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4782 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2374 194 1092 AS-COLOCROSSING - HostPapa, US 17561 2343 147 486 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 7446 6633 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4782 4413 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 2343 1857 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 /11:55 /12:159 /13:217 /14:579 /15:1077 /16:7509 /17:3531 /18:4207 /19:7736 /20:13527 /21:15961 /22:28832 /23:29886 /24:175578 /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 4107 7446 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2589 14412 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1132 1442 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1030 1474 BRIGHTSPEED - Brightspeed, US 36352 1030 2374 AS-COLOCROSSING - HostPapa, 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 2:515 3:975 4:5 5:1154 6:180 7:5 8:626 9:7 11:172 12:857 13:594 14:127 15:399 16:152 17:3 18:913 20:341 21:4 22:188 23:2946 24:648 27:18 29:19 31:461 32:12 34:11 35:185 36:3351 37:623 38:2442 39:852 40:223 41:1059 42:22 43:215 44:30 45:4613 46:904 47:164 48:20 49:21 50:498 51:517 52:1086 54:262 55:1116 56:11 57:33 58:48 59:35 60:16 61:51 62:599 63:702 64:2220 65:980 66:2370 67:1105 68:492 69:1229 70:428 71:149 72:698 74:969 75:270 76:232 77:441 78:557 79:250 80:327 81:414 82:799 83:204 84:335 85:608 86:249 87:194 88:277 89:552 90:103 91:923 92:675 93:879 94:977 95:1267 96:283 97:44 98:388 99:280 100:21 101:26 102:428 103:1235 104:1734 105:136 107:1755 108:494 109:363 110:52 111:2801 112:1274 113:34 114:34 115:7 116:53 117:1620 118:59 119:85 120:2018 121:35 122:42 123:107 124:61 125:24 126:1 128:605 129:372 130:728 131:1214 132:558 133:218 134:496 135:133 136:726 137:606 138:1016 139:453 140:767 141:422 142:1437 143:841 144:502 145:214 146:673 147:502 148:1015 149:766 150:240 151:906 152:793 153:297 154:2416 155:1013 156:2086 157:469 158:665 159:813 160:686 161:711 162:986 163:414 164:736 165:627 166:568 167:705 168:1496 169:200 170:1875 171:104 172:1546 173:772 174:271 175:90 176:624 177:952 178:624 179:900 180:37 181:2623 182:28 183:1697 184:447 185:3271 186:3522 187:1784 188:1040 189:2031 190:6306 191:572 192:5051 193:1725 194:1103 195:892 196:685 197:687 198:2667 199:2480 200:4439 201:3604 202:1028 203:741 204:2166 205:1808 206:1529 207:1697 208:1617 209:2023 210:344 211:519 212:991 213:858 214:967 215:35 216:2449 217:547 218:655 219:18 220:26 221:537 222:28 223:1686 End of report