IPv4 R&E Routing Table Report 20:15 GMT Thu 05 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: 290532 Prefixes after maximum aggregation (per Origin AS): 118149 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147927 Number of IPv4 prefixes with a valid ROA: 149256 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141061 Total ASes present in the Internet Routing Table: 20369 Prefixes per ASN: 14.26 Origin-only ASes present in the Internet Routing Table: 17515 Origin ASes announcing only one prefix: 7854 Transit ASes present in the Internet Routing Table: 2854 Transit-only ASes present in the Internet Routing Table: 721 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: 254 Number of instances of unregistered ASNs: 283 Number of 32-bit ASNs allocated by the RIRs: 48940 Number of 32-bit ASNs visible in the Routing Table: 8292 Prefixes from 32-bit ASNs in the Routing Table: 35008 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: 97 Number of addresses announced to Internet: 1629146565 Equivalent to 97 /8s, 26 /16s and 205 /24s Percentage of available address space announced: 44.0 Percentage of allocated address space announced: 44.0 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: 93096 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43023 Total APNIC prefixes after maximum aggregation: 8279 APNIC Deaggregation factor: 5.20 Prefixes being announced from the APNIC address blocks: 39471 Unique aggregates announced from the APNIC address blocks: 8192 APNIC Region origin ASes present in the Internet Routing Table: 1291 APNIC Prefixes per ASN: 30.57 APNIC Region origin ASes announcing only one prefix: 540 APNIC Region transit ASes present in the Internet Routing Table: 221 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: 625 Number of APNIC addresses announced to Internet: 171419244 Equivalent to 10 /8s, 55 /16s and 166 /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: 128895 Total ARIN prefixes after maximum aggregation: 65354 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126043 Unique aggregates announced from the ARIN address blocks: 71425 ARIN Region origin ASes present in the Internet Routing Table: 9008 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 3732 ARIN Region transit ASes present in the Internet Routing Table: 855 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: 2155 Number of ARIN addresses announced to Internet: 1022165545 Equivalent to 60 /8s, 237 /16s and 2 /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: 51086 Total RIPE prefixes after maximum aggregation: 25750 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54132 Unique aggregates announced from the RIPE address blocks: 37245 RIPE Region origin ASes present in the Internet Routing Table: 4452 RIPE Prefixes per ASN: 12.16 RIPE Region origin ASes announcing only one prefix: 1893 RIPE Region transit ASes present in the Internet Routing Table: 695 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: 1896 Number of RIPE addresses announced to Internet: 282814928 Equivalent to 16 /8s, 219 /16s and 105 /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: 57342 Total LACNIC prefixes after maximum aggregation: 16512 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55198 Unique aggregates announced from the LACNIC address blocks: 24265 LACNIC Region origin ASes present in the Internet Routing Table: 4509 LACNIC Prefixes per ASN: 12.24 LACNIC Region origin ASes announcing only one prefix: 1584 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: 3470 Number of LACNIC addresses announced to Internet: 107092832 Equivalent to 6 /8s, 98 /16s and 27 /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: 9932 Total AfriNIC prefixes after maximum aggregation: 2061 AfriNIC Deaggregation factor: 4.82 Prefixes being announced from the AfriNIC address blocks: 15591 Unique aggregates announced from the AfriNIC address blocks: 6713 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 56.49 AfriNIC Region origin ASes announcing only one prefix: 105 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: 146 Number of AfriNIC addresses announced to Internet: 45580288 Equivalent to 2 /8s, 183 /16s and 128 /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 2341 147 484 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 14443 41237 5562 AMAZON-02 - Amazon.com, Inc., US 22773 4781 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 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 1621 1343 745 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1284 99 1037 AKAMAI-ASN1, NL 25019 1269 1335 143 SAUDINETSTC-AS, SA 34984 982 145 730 TELLCOM-AS, TR 3215 900 4820 301 France Telecom - Orange, FR 8452 885 1841 19 TE-AS TE-AS, EG 212238 734 53 647 CDNEXT, GB 8376 669 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 7287 1924 797 UNINET, MX 11830 1957 369 65 Instituto Costarricense de Electricidad y 10620 1514 211 1129 Telmex Colombia S.A., CO 11664 1442 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1248 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 964 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 685 43 204 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 1103 1100 11 MOBINIL, EG 24863 905 389 16 LINKdotNET-AS, EG 36914 556 82 3 KENET-AS, KE 36935 538 515 11 Vodafone-, EG 36903 503 233 345 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 14443 41237 5562 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7287 1924 797 UNINET, MX 39891 4969 306 72 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 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2374 194 1092 AS-COLOCROSSING - HostPapa, US 17561 2341 147 484 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 7287 6490 UNINET, MX 39891 4969 4897 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 1957 1892 Instituto Costarricense de Electricidad y Telec 17561 2341 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 /11:56 /12:160 /13:219 /14:582 /15:1078 /16:7534 /17:3548 /18:4253 /19:7819 /20:13656 /21:16008 /22:28923 /23:30153 /24:176199 /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 4021 7287 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3049 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2596 14443 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1957 Instituto Costarricense de Electricidad y Telecom., CR 11664 1131 1442 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1030 1475 BRIGHTSPEED - Brightspeed, US 36352 1030 2374 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 3:983 4:1 5:1153 6:181 7:5 8:625 9:7 11:172 12:856 13:594 14:127 15:399 16:152 17:3 18:912 20:342 21:4 22:188 23:2955 24:678 27:22 29:19 31:464 32:12 34:11 35:185 36:3353 37:623 38:2458 39:852 40:229 41:1059 42:22 43:218 44:30 45:4629 46:907 47:164 48:29 49:21 50:497 51:517 52:1092 54:270 55:1101 56:11 57:32 58:48 59:34 60:16 61:51 62:605 63:700 64:2220 65:976 66:2374 67:1111 68:494 69:1234 70:427 71:149 72:715 74:1010 75:272 76:233 77:444 78:555 79:251 80:327 81:415 82:807 83:202 84:335 85:603 86:251 87:193 88:277 89:561 90:102 91:919 92:670 93:880 94:981 95:1269 96:283 97:53 98:389 99:288 100:21 101:29 102:431 103:1285 104:1733 105:159 107:1754 108:501 109:363 110:52 111:2800 112:1297 113:34 114:39 115:7 116:57 117:1618 118:59 119:86 120:2020 121:35 122:42 123:108 124:61 125:24 126:1 128:606 129:372 130:721 131:1228 132:556 133:217 134:504 135:133 136:722 137:608 138:1022 139:459 140:770 141:422 142:1479 143:846 144:503 145:212 146:673 147:558 148:1014 149:784 150:239 151:905 152:795 153:297 154:2418 155:1012 156:2079 157:470 158:654 159:813 160:661 161:709 162:1014 163:419 164:738 165:634 166:569 167:711 168:1508 169:199 170:1903 171:102 172:1573 173:798 174:272 175:89 176:621 177:1011 178:625 179:911 180:37 181:2586 182:30 183:1697 184:448 185:3261 186:3502 187:1736 188:1041 189:2023 190:6280 191:584 192:5088 193:1721 194:1095 195:901 196:703 197:699 198:2669 199:2485 200:4390 201:3612 202:1033 203:756 204:2170 205:1805 206:1523 207:1707 208:1619 209:2049 210:338 211:519 212:1010 213:866 214:972 215:35 216:2459 217:545 218:655 219:18 220:26 221:537 222:30 223:1692 End of report