IPv4 R&E Routing Table Report 20:15 GMT Fri 30 Jan, 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: 287685 Prefixes after maximum aggregation (per Origin AS): 118029 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 148159 Number of IPv4 prefixes with a valid ROA: 145736 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 141737 Total ASes present in the Internet Routing Table: 20324 Prefixes per ASN: 14.15 Origin-only ASes present in the Internet Routing Table: 17507 Origin ASes announcing only one prefix: 7898 Transit ASes present in the Internet Routing Table: 2817 Transit-only ASes present in the Internet Routing Table: 704 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: 31 Max AS path prepend of ASN (264732) 23 Prefixes from unregistered ASNs in the Routing Table: 242 Number of instances of unregistered ASNs: 271 Number of 32-bit ASNs allocated by the RIRs: 48531 Number of 32-bit ASNs visible in the Routing Table: 8242 Prefixes from 32-bit ASNs in the Routing Table: 34099 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: 94 Number of addresses announced to Internet: 1611550149 Equivalent to 96 /8s, 14 /16s and 77 /24s Percentage of available address space announced: 43.5 Percentage of allocated address space announced: 43.5 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: 92263 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43569 Total APNIC prefixes after maximum aggregation: 8974 APNIC Deaggregation factor: 4.86 Prefixes being announced from the APNIC address blocks: 40204 Unique aggregates announced from the APNIC address blocks: 9162 APNIC Region origin ASes present in the Internet Routing Table: 1331 APNIC Prefixes per ASN: 30.21 APNIC Region origin ASes announcing only one prefix: 566 APNIC Region transit ASes present in the Internet Routing Table: 229 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: 652 Number of APNIC addresses announced to Internet: 170536556 Equivalent to 10 /8s, 42 /16s and 46 /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: 126811 Total ARIN prefixes after maximum aggregation: 64855 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124336 Unique aggregates announced from the ARIN address blocks: 70662 ARIN Region origin ASes present in the Internet Routing Table: 9103 ARIN Prefixes per ASN: 13.66 ARIN Region origin ASes announcing only one prefix: 3774 ARIN Region transit ASes present in the Internet Routing Table: 854 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: 2183 Number of ARIN addresses announced to Internet: 1008381481 Equivalent to 60 /8s, 26 /16s and 174 /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: 51190 Total RIPE prefixes after maximum aggregation: 25818 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53892 Unique aggregates announced from the RIPE address blocks: 37200 RIPE Region origin ASes present in the Internet Routing Table: 4407 RIPE Prefixes per ASN: 12.23 RIPE Region origin ASes announcing only one prefix: 1872 RIPE Region transit ASes present in the Internet Routing Table: 673 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1866 Number of RIPE addresses announced to Internet: 280687056 Equivalent to 16 /8s, 186 /16s and 241 /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: 55229 Total LACNIC prefixes after maximum aggregation: 15855 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 53105 Unique aggregates announced from the LACNIC address blocks: 23579 LACNIC Region origin ASes present in the Internet Routing Table: 4363 LACNIC Prefixes per ASN: 12.17 LACNIC Region origin ASes announcing only one prefix: 1572 LACNIC Region transit ASes present in the Internet Routing Table: 858 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3376 Number of LACNIC addresses announced to Internet: 105956704 Equivalent to 6 /8s, 80 /16s and 197 /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: 10644 Total AfriNIC prefixes after maximum aggregation: 2335 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 16054 Unique aggregates announced from the AfriNIC address blocks: 7472 AfriNIC Region origin ASes present in the Internet Routing Table: 304 AfriNIC Prefixes per ASN: 52.81 AfriNIC Region origin ASes announcing only one prefix: 114 AfriNIC Region transit ASes present in the Internet Routing Table: 84 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 165 Number of AfriNIC addresses announced to Internet: 45847040 Equivalent to 2 /8s, 187 /16s and 146 /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 13436 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2243 141 511 LCS-AS-AP LARUS Limited, HK 56041 1766 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1057 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 909 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 902 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 772 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 689 1168 151 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 14093 38850 5514 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3100 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2581 212 1012 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1904 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1703 1495 781 DNIC-ASBLK-00306-00371 - United States De 209 1637 4882 262 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1479 732 687 BRIGHTSPEED - Brightspeed, US 20057 1445 1017 112 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 4901 302 71 ALJAWWALSTC-AS, SA 20940 1242 95 1011 AKAMAI-ASN1, NL 25019 1151 1335 138 SAUDINETSTC-AS, SA 34984 979 150 736 TELLCOM-AS, TR 8452 901 1841 17 TE-AS TE-AS, EG 3215 900 4820 300 France Telecom - Orange, FR 212238 701 49 616 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 550 53 25 Jordan Data Communications, JO 5511 530 98 450 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 6902 1831 757 UNINET, MX 11830 1990 369 65 Instituto Costarricense de Electricidad y 10620 1521 212 1132 Telmex Colombia S.A., CO 11664 1410 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1255 371 22 INTEGRATEL PERU S.A.A., PE 26615 1004 2486 57 TIM SA, BR 18881 915 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 682 164 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 1451 463 90 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 948 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 572 82 3 KENET-AS, KE 36935 510 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 422 78 20 ORANGE-COTE-IVOIRE, CI 36992 385 870 245 ETISALAT-MISR, EG 2018 374 318 69 TENET-1, ZA 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 14093 38850 5514 AMAZON-02 - Amazon.com, Inc., US 9808 13436 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6902 1831 757 UNINET, MX 39891 4901 302 71 ALJAWWALSTC-AS, SA 22773 4777 3100 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3361 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2581 212 1012 AS-COLOCROSSING - HostPapa, US 17561 2243 141 511 LCS-AS-AP LARUS Limited, HK 11830 1990 369 65 Instituto Costarricense de Electricidad y 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 13436 13316 CHINAMOBILE-CN China Mobile Communications Grou 8151 6902 6145 UNINET, MX 39891 4901 4830 ALJAWWALSTC-AS, SA 22773 4777 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3361 3166 CMNET-JIANGSU-AP China Mobile communications co 11830 1990 1925 Instituto Costarricense de Electricidad y Telec 17561 2243 1732 LCS-AS-AP LARUS Limited, HK 11776 1904 1691 ATLANTICBB-JOHNSTOWN - Breezeline, US 56041 1766 1687 CMNET-ZHEJIANG-AP China Mobile communications c 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 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 23.155.185.0/24 Origin: 401541 OSIE - Osie, US 23.155.185.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, US 23.157.217.0/24 Origin: 401541 OSIE - Osie, US 23.157.217.0/24 Transit: 397423 TIER-NET - Tier.Net Technologies LLC, 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 /11:52 /12:159 /13:213 /14:575 /15:1065 /16:7482 /17:3469 /18:4153 /19:7603 /20:13258 /21:16198 /22:28392 /23:29487 /24:175293 /25:58 /26:82 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3699 6902 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3050 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2509 14093 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1990 Instituto Costarricense de Electricidad y Telecom., CR 36352 1094 2581 AS-COLOCROSSING - HostPapa, US 11664 1092 1410 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1045 1479 BRIGHTSPEED - Brightspeed, US 209 951 1637 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 933 1521 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 2:462 3:978 4:5 5:1151 6:172 7:5 8:638 9:6 11:172 12:881 13:558 14:179 15:363 16:154 17:3 18:911 20:218 21:4 22:188 23:2876 24:664 27:47 29:19 31:511 32:13 34:7 35:182 36:3333 37:630 38:2336 39:841 40:250 41:1145 42:22 43:205 44:29 45:4365 46:928 47:166 48:20 49:21 50:499 51:522 52:1081 54:231 55:1125 56:11 57:32 58:44 59:42 60:73 61:58 62:592 63:724 64:2176 65:976 66:2406 67:1087 68:495 69:1216 70:434 71:154 72:707 74:983 75:292 76:240 77:400 78:572 79:228 80:344 81:425 82:809 83:210 84:341 85:639 86:236 87:201 88:281 89:700 90:104 91:883 92:682 93:883 94:977 95:1308 96:283 97:45 98:391 99:270 100:23 101:20 102:512 103:1299 104:1634 105:123 106:3 107:1703 108:521 109:353 110:100 111:2771 112:1303 113:34 114:34 115:54 116:57 117:1557 118:64 119:88 120:2011 121:36 122:78 123:125 124:68 125:49 128:627 129:372 130:712 131:1177 132:550 133:218 134:504 135:136 136:742 137:604 138:988 139:451 140:755 141:519 142:1462 143:851 144:485 145:201 146:688 147:467 148:973 149:740 150:231 151:896 152:724 153:272 154:2441 155:1022 156:2036 157:471 158:643 159:835 160:637 161:723 162:992 163:421 164:736 165:617 166:559 167:711 168:1450 169:208 170:1798 171:102 172:1586 173:784 174:271 175:93 176:656 177:903 178:645 179:861 180:51 181:2556 182:23 183:1694 184:436 185:3318 186:3430 187:1626 188:1058 189:1875 190:5932 191:527 192:5098 193:1684 194:1104 195:908 196:708 197:1101 198:2665 199:2458 200:4457 201:3546 202:1108 203:824 204:2193 205:1814 206:1479 207:1709 208:1684 209:1975 210:443 211:518 212:1054 213:879 214:994 215:43 216:2453 217:549 218:653 219:29 220:82 221:536 222:37 223:1674 End of report