IPv4 R&E Routing Table Report 20:15 GMT Sat 07 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: 289592 Prefixes after maximum aggregation (per Origin AS): 117645 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146849 Number of IPv4 prefixes with a valid ROA: 148599 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140779 Total ASes present in the Internet Routing Table: 20336 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17465 Origin ASes announcing only one prefix: 7827 Transit ASes present in the Internet Routing Table: 2871 Transit-only ASes present in the Internet Routing Table: 726 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: 253 Number of instances of unregistered ASNs: 282 Number of 32-bit ASNs allocated by the RIRs: 48973 Number of 32-bit ASNs visible in the Routing Table: 8277 Prefixes from 32-bit ASNs in the Routing Table: 35095 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: 96 Number of addresses announced to Internet: 1625764549 Equivalent to 96 /8s, 231 /16s and 50 /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: 93186 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42523 Total APNIC prefixes after maximum aggregation: 8084 APNIC Deaggregation factor: 5.26 Prefixes being announced from the APNIC address blocks: 38985 Unique aggregates announced from the APNIC address blocks: 7855 APNIC Region origin ASes present in the Internet Routing Table: 1232 APNIC Prefixes per ASN: 31.64 APNIC Region origin ASes announcing only one prefix: 507 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: 598 Number of APNIC addresses announced to Internet: 168725100 Equivalent to 10 /8s, 14 /16s and 138 /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: 128477 Total ARIN prefixes after maximum aggregation: 65080 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125558 Unique aggregates announced from the ARIN address blocks: 70865 ARIN Region origin ASes present in the Internet Routing Table: 9009 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 3730 ARIN Region transit ASes present in the Internet Routing Table: 863 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: 2153 Number of ARIN addresses announced to Internet: 1022115369 Equivalent to 60 /8s, 236 /16s and 62 /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: 50938 Total RIPE prefixes after maximum aggregation: 25635 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 53990 Unique aggregates announced from the RIPE address blocks: 37154 RIPE Region origin ASes present in the Internet Routing Table: 4457 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1895 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: 1902 Number of RIPE addresses announced to Internet: 282030544 Equivalent to 16 /8s, 207 /16s and 113 /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: 57485 Total LACNIC prefixes after maximum aggregation: 16570 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55360 Unique aggregates announced from the LACNIC address blocks: 24235 LACNIC Region origin ASes present in the Internet Routing Table: 4510 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1584 LACNIC Region transit ASes present in the Internet Routing Table: 890 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: 3469 Number of LACNIC addresses announced to Internet: 107239264 Equivalent to 6 /8s, 100 /16s and 87 /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: 9916 Total AfriNIC prefixes after maximum aggregation: 2084 AfriNIC Deaggregation factor: 4.76 Prefixes being announced from the AfriNIC address blocks: 15603 Unique aggregates announced from the AfriNIC address blocks: 6654 AfriNIC Region origin ASes present in the Internet Routing Table: 290 AfriNIC Prefixes per ASN: 53.80 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 82 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: 155 Number of AfriNIC addresses announced to Internet: 45580800 Equivalent to 2 /8s, 183 /16s and 130 /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 2346 147 480 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 14468 41237 5572 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1094 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 1623 1343 745 DNIC-ASBLK-00306-00371 - United States De 19901 1475 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 4901 302 73 ALJAWWALSTC-AS, SA 20940 1284 99 1037 AKAMAI-ASN1, NL 25019 1272 1335 143 SAUDINETSTC-AS, SA 34984 983 145 731 TELLCOM-AS, TR 3215 900 4820 301 France Telecom - Orange, FR 8452 889 1841 19 TE-AS TE-AS, EG 212238 729 52 642 CDNEXT, GB 8376 669 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 529 98 448 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 7079 1878 799 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1515 211 1130 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1249 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 960 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 683 43 200 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 1088 1100 11 MOBINIL, EG 24863 840 389 16 LINKdotNET-AS, EG 36914 558 82 3 KENET-AS, KE 36935 538 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 406 874 238 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 14468 41237 5572 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7079 1878 799 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4778 3101 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 17561 2346 147 480 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 7079 6280 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4778 4411 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 2346 1866 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 /13:220 /14:583 /15:1078 /16:7520 /17:3522 /18:4219 /19:7717 /20:13623 /21:16005 /22:28929 /23:30121 /24:175495 /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 3964 7079 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3049 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2588 14468 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1030 1475 BRIGHTSPEED - Brightspeed, US 36352 1029 2371 AS-COLOCROSSING - HostPapa, US 209 949 1632 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 927 1515 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 3:1001 4:1 5:1158 6:181 7:5 8:621 9:7 11:172 12:856 13:596 14:127 15:398 16:152 17:3 18:912 20:342 21:4 22:188 23:2951 24:680 27:21 29:19 31:458 32:12 34:9 35:185 36:3349 37:620 38:2452 39:852 40:51 41:1072 42:22 43:215 44:27 45:4632 46:909 47:164 48:29 49:21 50:497 51:453 52:1093 54:272 55:1116 56:11 57:29 58:46 59:34 60:16 61:47 62:605 63:700 64:2222 65:973 66:2377 67:1114 68:493 69:1232 70:427 71:150 72:713 74:1016 75:272 76:233 77:446 78:554 79:250 80:326 81:415 82:809 83:203 84:333 85:603 86:251 87:194 88:279 89:562 90:102 91:919 92:668 93:879 94:984 95:1256 96:278 97:53 98:389 99:285 100:21 101:25 102:424 103:1225 104:1644 105:217 107:1759 108:502 109:365 110:51 111:2751 112:1296 113:34 114:38 115:7 116:57 117:1615 118:59 119:70 120:2020 121:35 122:42 123:107 124:62 125:23 126:1 128:605 129:373 130:724 131:1221 132:550 133:217 134:497 135:133 136:721 137:596 138:1033 139:465 140:759 141:420 142:1492 143:845 144:507 145:210 146:674 147:556 148:1010 149:747 150:235 151:906 152:794 153:290 154:2420 155:1009 156:2086 157:461 158:665 159:813 160:656 161:710 162:1019 163:421 164:736 165:628 166:571 167:723 168:1502 169:197 170:1905 171:102 172:1383 173:799 174:271 175:88 176:622 177:993 178:629 179:913 180:36 181:2619 182:25 183:1694 184:447 185:3276 186:3506 187:1709 188:1038 189:2004 190:6295 191:579 192:5098 193:1719 194:1097 195:904 196:703 197:690 198:2668 199:2486 200:4422 201:3621 202:1013 203:726 204:2166 205:1801 206:1507 207:1704 208:1628 209:2054 210:319 211:512 212:1019 213:866 214:966 215:35 216:2461 217:535 218:654 219:18 220:28 221:537 222:30 223:1690 End of report