IPv4 R&E Routing Table Report 20:15 GMT Thu 26 Feb, 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: 289936 Prefixes after maximum aggregation (per Origin AS): 118220 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148045 Number of IPv4 prefixes with a valid ROA: 148758 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 140963 Total ASes present in the Internet Routing Table: 20475 Prefixes per ASN: 14.16 Origin-only ASes present in the Internet Routing Table: 17594 Origin ASes announcing only one prefix: 7899 Transit ASes present in the Internet Routing Table: 2881 Transit-only ASes present in the Internet Routing Table: 737 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: 247 Number of instances of unregistered ASNs: 276 Number of 32-bit ASNs allocated by the RIRs: 48856 Number of 32-bit ASNs visible in the Routing Table: 8407 Prefixes from 32-bit ASNs in the Routing Table: 35475 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: 100 Number of addresses announced to Internet: 1623137989 Equivalent to 96 /8s, 191 /16s and 30 /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: 93233 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42575 Total APNIC prefixes after maximum aggregation: 8112 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39160 Unique aggregates announced from the APNIC address blocks: 7972 APNIC Region origin ASes present in the Internet Routing Table: 1265 APNIC Prefixes per ASN: 30.96 APNIC Region origin ASes announcing only one prefix: 533 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: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 608 Number of APNIC addresses announced to Internet: 170357868 Equivalent to 10 /8s, 39 /16s and 116 /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: 127868 Total ARIN prefixes after maximum aggregation: 65149 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125061 Unique aggregates announced from the ARIN address blocks: 71249 ARIN Region origin ASes present in the Internet Routing Table: 8986 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 3710 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: 2148 Number of ARIN addresses announced to Internet: 1018113321 Equivalent to 60 /8s, 175 /16s and 45 /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: 51350 Total RIPE prefixes after maximum aggregation: 25934 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54396 Unique aggregates announced from the RIPE address blocks: 37467 RIPE Region origin ASes present in the Internet Routing Table: 4471 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1905 RIPE Region transit ASes present in the Internet Routing Table: 686 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: 1904 Number of RIPE addresses announced to Internet: 281374160 Equivalent to 16 /8s, 197 /16s and 109 /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: 58059 Total LACNIC prefixes after maximum aggregation: 16786 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55835 Unique aggregates announced from the LACNIC address blocks: 24696 LACNIC Region origin ASes present in the Internet Routing Table: 4621 LACNIC Prefixes per ASN: 12.08 LACNIC Region origin ASes announcing only one prefix: 1642 LACNIC Region transit ASes present in the Internet Routing Table: 917 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: 3597 Number of LACNIC addresses announced to Internet: 107350112 Equivalent to 6 /8s, 102 /16s and 8 /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: 9837 Total AfriNIC prefixes after maximum aggregation: 2045 AfriNIC Deaggregation factor: 4.81 Prefixes being announced from the AfriNIC address blocks: 15384 Unique aggregates announced from the AfriNIC address blocks: 6571 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 54.55 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 150 Number of AfriNIC addresses announced to Internet: 45863424 Equivalent to 2 /8s, 187 /16s and 210 /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 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3408 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2245 141 454 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 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 14415 41240 5560 AMAZON-02 - Amazon.com, Inc., US 22773 4784 3100 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2366 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1634 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1625 1345 746 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 4969 306 72 ALJAWWALSTC-AS, SA 25019 1281 1336 143 SAUDINETSTC-AS, SA 20940 1276 98 1035 AKAMAI-ASN1, NL 34984 972 144 724 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 886 1841 22 TE-AS TE-AS, EG 212238 749 54 662 CDNEXT, GB 8376 665 53 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 536 535 87 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 7265 1916 793 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1437 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 1052 2475 94 TIM SA, BR 18881 952 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 691 43 208 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 1399 488 23 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 856 389 16 LINKdotNET-AS, EG 36914 549 82 3 KENET-AS, KE 36903 507 235 347 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36935 437 515 7 Vodafone-, EG 36992 380 866 247 ETISALAT-MISR, EG 2018 375 318 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 14415 41240 5560 AMAZON-02 - Amazon.com, Inc., US 9808 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7265 1916 793 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4784 3100 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3408 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2366 194 1093 AS-COLOCROSSING - HostPapa, US 17561 2245 141 454 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 13543 13423 CHINAMOBILE-CN China Mobile Communications Grou 8151 7265 6472 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4784 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3408 3219 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2245 1791 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1894 1680 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1667 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 /14:578 /15:1076 /16:7506 /17:3498 /18:4202 /19:7721 /20:13488 /21:15978 /22:28613 /23:30123 /24:176426 /25:67 /26:82 /27:51 /28:18 /29:7 /30:9 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4007 7265 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3055 4784 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2611 14415 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1126 1437 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1031 1476 BRIGHTSPEED - Brightspeed, US 36352 1026 2366 AS-COLOCROSSING - HostPapa, US 209 950 1634 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 2:518 3:977 4:5 5:1205 6:181 7:5 8:627 9:7 11:172 12:856 13:592 14:128 15:398 16:152 17:3 18:916 20:341 21:4 22:188 23:2856 24:652 27:18 29:19 31:462 32:13 34:9 35:184 36:3354 37:627 38:2446 39:853 40:227 41:1077 42:22 43:214 44:26 45:4686 46:914 47:164 48:20 49:21 50:493 51:517 52:1112 54:259 55:1114 56:11 57:31 58:48 59:27 60:15 61:50 62:599 63:703 64:2234 65:972 66:2378 67:1106 68:491 69:1270 70:426 71:151 72:700 74:987 75:273 76:230 77:424 78:562 79:257 80:322 81:420 82:813 83:204 84:339 85:621 86:251 87:193 88:278 89:577 90:103 91:931 92:699 93:885 94:985 95:1286 96:283 97:44 98:388 99:278 100:21 101:28 102:462 103:1262 104:1734 105:151 107:1762 108:514 109:365 110:53 111:2802 112:1274 113:34 114:35 115:7 116:55 117:1610 118:58 119:83 120:2019 121:36 122:42 123:107 124:66 125:24 126:1 128:608 129:359 130:715 131:1216 132:564 133:218 134:495 135:133 136:718 137:609 138:1056 139:453 140:757 141:423 142:1522 143:877 144:500 145:215 146:672 147:502 148:993 149:767 150:238 151:912 152:789 153:294 154:2408 155:1009 156:1984 157:470 158:669 159:822 160:695 161:713 162:979 163:415 164:734 165:629 166:564 167:706 168:1497 169:201 170:1887 171:105 172:1619 173:768 174:270 175:91 176:634 177:1046 178:644 179:919 180:39 181:2632 182:30 183:1697 184:441 185:3296 186:3509 187:1777 188:1047 189:2026 190:6300 191:571 192:5083 193:1718 194:1101 195:908 196:705 197:696 198:2663 199:2477 200:4545 201:3627 202:1028 203:752 204:2145 205:1812 206:1492 207:1703 208:1613 209:1991 210:342 211:519 212:1013 213:869 214:988 215:43 216:2487 217:553 218:655 219:18 220:26 221:537 222:27 223:1686 End of report