IPv4 R&E Routing Table Report 20:15 GMT Mon 23 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: 291142 Prefixes after maximum aggregation (per Origin AS): 118664 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148927 Number of IPv4 prefixes with a valid ROA: 149246 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 141683 Total ASes present in the Internet Routing Table: 20486 Prefixes per ASN: 14.21 Origin-only ASes present in the Internet Routing Table: 17605 Origin ASes announcing only one prefix: 7919 Transit ASes present in the Internet Routing Table: 2881 Transit-only ASes present in the Internet Routing Table: 722 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: 253 Number of instances of unregistered ASNs: 282 Number of 32-bit ASNs allocated by the RIRs: 48844 Number of 32-bit ASNs visible in the Routing Table: 8400 Prefixes from 32-bit ASNs in the Routing Table: 35361 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: 1625125573 Equivalent to 96 /8s, 221 /16s and 114 /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: 93500 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43642 Total APNIC prefixes after maximum aggregation: 8605 APNIC Deaggregation factor: 5.07 Prefixes being announced from the APNIC address blocks: 39752 Unique aggregates announced from the APNIC address blocks: 8537 APNIC Region origin ASes present in the Internet Routing Table: 1270 APNIC Prefixes per ASN: 31.30 APNIC Region origin ASes announcing only one prefix: 542 APNIC Region transit ASes present in the Internet Routing Table: 217 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: 611 Number of APNIC addresses announced to Internet: 170628460 Equivalent to 10 /8s, 43 /16s and 149 /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: 127375 Total ARIN prefixes after maximum aggregation: 65070 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124571 Unique aggregates announced from the ARIN address blocks: 71006 ARIN Region origin ASes present in the Internet Routing Table: 8979 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 3706 ARIN Region transit ASes present in the Internet Routing Table: 845 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: 1017857833 Equivalent to 60 /8s, 171 /16s and 71 /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: 51462 Total RIPE prefixes after maximum aggregation: 25784 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54499 Unique aggregates announced from the RIPE address blocks: 37375 RIPE Region origin ASes present in the Internet Routing Table: 4487 RIPE Prefixes per ASN: 12.15 RIPE Region origin ASes announcing only one prefix: 1914 RIPE Region transit ASes present in the Internet Routing Table: 696 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1900 Number of RIPE addresses announced to Internet: 282830544 Equivalent to 16 /8s, 219 /16s and 166 /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: 58056 Total LACNIC prefixes after maximum aggregation: 16792 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55850 Unique aggregates announced from the LACNIC address blocks: 24629 LACNIC Region origin ASes present in the Internet Routing Table: 4632 LACNIC Prefixes per ASN: 12.06 LACNIC Region origin ASes announcing only one prefix: 1650 LACNIC Region transit ASes present in the Internet Routing Table: 919 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: 3590 Number of LACNIC addresses announced to Internet: 107339616 Equivalent to 6 /8s, 101 /16s and 223 /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: 10354 Total AfriNIC prefixes after maximum aggregation: 2214 AfriNIC Deaggregation factor: 4.68 Prefixes being announced from the AfriNIC address blocks: 16372 Unique aggregates announced from the AfriNIC address blocks: 7292 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 58.26 AfriNIC Region origin ASes announcing only one prefix: 107 AfriNIC Region transit ASes present in the Internet Routing Table: 80 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 151 Number of AfriNIC addresses announced to Internet: 46390528 Equivalent to 2 /8s, 195 /16s and 221 /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 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2728 171 525 LCS-AS-AP LARUS Limited, HK 56041 1795 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1059 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 14331 41153 5583 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3099 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2358 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 CELLCO-PART - Verizon Business, US 11776 1894 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1635 4850 260 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1621 1344 743 DNIC-ASBLK-00306-00371 - United States De 19901 1475 736 687 BRIGHTSPEED - Brightspeed, US 20057 1450 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 1234 1336 139 SAUDINETSTC-AS, SA 20940 1119 87 905 AKAMAI-ASN1, NL 34984 972 144 724 TELLCOM-AS, TR 3215 935 4900 293 France Telecom - Orange, FR 8452 883 1841 21 TE-AS TE-AS, EG 212238 746 54 659 CDNEXT, GB 8376 662 53 31 Jordan Data Communications, JO 58224 566 280 396 TCI, IR 51167 565 113 248 CONTABO, DE 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 1928 796 UNINET, MX 11830 1983 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1131 Telmex Colombia S.A., CO 11664 1416 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1255 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2475 94 TIM SA, BR 18881 946 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 690 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 853 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 551 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 460 78 20 ORANGE-COTE-IVOIRE, CI 36935 452 514 6 Vodafone-, EG 36992 389 873 252 ETISALAT-MISR, EG 2018 375 318 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 14331 41153 5583 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7265 1928 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4781 3099 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3406 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 17561 2728 171 525 LCS-AS-AP LARUS Limited, HK 36352 2358 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2000 4243 540 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 7265 6469 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4781 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3406 3217 CMNET-JIANGSU-AP China Mobile communications co 17561 2728 2203 LCS-AS-AP LARUS Limited, HK 11830 1983 1918 Instituto Costarricense de Electricidad y Telec 56041 1795 1716 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 /14:579 /15:1077 /16:7509 /17:3502 /18:4215 /19:7731 /20:13502 /21:16124 /22:28644 /23:30137 /24:177396 /25:67 /26:81 /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 3991 7265 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2603 14331 AMAZON-02 - Amazon.com, Inc., US 11830 1687 1983 Instituto Costarricense de Electricidad y Telecom., CR 11664 1106 1416 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1033 1475 BRIGHTSPEED - Brightspeed, US 36352 1019 2358 AS-COLOCROSSING - HostPapa, US 209 951 1635 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 932 1520 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 2:413 3:977 4:5 5:1162 6:177 7:5 8:631 9:7 11:172 12:853 13:583 14:179 15:396 16:149 17:3 18:911 20:341 21:4 22:188 23:2743 24:658 27:45 29:19 31:471 32:12 34:9 35:184 36:3357 37:636 38:2445 39:851 40:260 41:1097 42:22 43:213 44:26 45:4670 46:933 47:165 48:20 49:21 50:492 51:519 52:1109 54:253 55:1118 56:11 57:32 58:48 59:30 60:74 61:56 62:605 63:708 64:2220 65:977 66:2378 67:1109 68:492 69:1225 70:428 71:151 72:685 74:975 75:275 76:225 77:429 78:563 79:241 80:366 81:420 82:845 83:204 84:337 85:630 86:250 87:199 88:269 89:570 90:104 91:926 92:697 93:890 94:987 95:1253 96:284 97:44 98:390 99:278 100:22 101:27 102:473 103:1265 104:1717 105:127 107:1760 108:507 109:364 110:104 111:2804 112:1273 113:34 114:35 115:54 116:54 117:1609 118:65 119:86 120:2018 121:35 122:42 123:121 124:75 125:22 126:1 128:610 129:357 130:721 131:1217 132:554 133:218 134:499 135:134 136:720 137:606 138:1046 139:458 140:758 141:425 142:1462 143:874 144:492 145:204 146:668 147:498 148:997 149:787 150:238 151:905 152:822 153:293 154:2587 155:1002 156:2280 157:466 158:661 159:814 160:689 161:710 162:983 163:409 164:736 165:640 166:565 167:707 168:1490 169:201 170:1896 171:104 172:1577 173:754 174:274 175:90 176:631 177:1077 178:649 179:925 180:37 181:2612 182:28 183:1697 184:435 185:3311 186:3508 187:1771 188:1043 189:2005 190:6309 191:560 192:5078 193:1758 194:1135 195:928 196:689 197:1114 198:2646 199:2480 200:4550 201:3655 202:1039 203:821 204:2146 205:1815 206:1480 207:1688 208:1610 209:1965 210:348 211:519 212:1021 213:883 214:987 215:43 216:2492 217:559 218:656 219:18 220:79 221:537 222:27 223:1684 End of report