IPv4 R&E Routing Table Report 20:15 GMT Tue 07 Apr, 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: 290611 Prefixes after maximum aggregation (per Origin AS): 118190 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148074 Number of IPv4 prefixes with a valid ROA: 149728 Number of IPv4 prefixes with an invalid ROA: 201 Number of IPv4 prefixes with no ROA: 140682 Total ASes present in the Internet Routing Table: 20237 Prefixes per ASN: 14.36 Origin-only ASes present in the Internet Routing Table: 17386 Origin ASes announcing only one prefix: 7817 Transit ASes present in the Internet Routing Table: 2851 Transit-only ASes present in the Internet Routing Table: 712 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: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 204 Number of instances of unregistered ASNs: 233 Number of 32-bit ASNs allocated by the RIRs: 49227 Number of 32-bit ASNs visible in the Routing Table: 8215 Prefixes from 32-bit ASNs in the Routing Table: 34402 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 100 Number of addresses announced to Internet: 1620454821 Equivalent to 96 /8s, 150 /16s and 45 /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: 94595 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42361 Total APNIC prefixes after maximum aggregation: 7924 APNIC Deaggregation factor: 5.35 Prefixes being announced from the APNIC address blocks: 38875 Unique aggregates announced from the APNIC address blocks: 7676 APNIC Region origin ASes present in the Internet Routing Table: 1204 APNIC Prefixes per ASN: 32.29 APNIC Region origin ASes announcing only one prefix: 498 APNIC Region transit ASes present in the Internet Routing Table: 209 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 594 Number of APNIC addresses announced to Internet: 168777836 Equivalent to 10 /8s, 15 /16s and 88 /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: 127959 Total ARIN prefixes after maximum aggregation: 65383 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125181 Unique aggregates announced from the ARIN address blocks: 71059 ARIN Region origin ASes present in the Internet Routing Table: 8959 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 3706 ARIN Region transit ASes present in the Internet Routing Table: 844 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: 1017918249 Equivalent to 60 /8s, 172 /16s and 51 /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, 393216-404380 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: 52850 Total RIPE prefixes after maximum aggregation: 25934 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 56058 Unique aggregates announced from the RIPE address blocks: 38367 RIPE Region origin ASes present in the Internet Routing Table: 4577 RIPE Prefixes per ASN: 12.25 RIPE Region origin ASes announcing only one prefix: 1957 RIPE Region transit ASes present in the Internet Routing Table: 716 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: 1970 Number of RIPE addresses announced to Internet: 283295312 Equivalent to 16 /8s, 226 /16s and 190 /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: 57599 Total LACNIC prefixes after maximum aggregation: 16328 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55201 Unique aggregates announced from the LACNIC address blocks: 23903 LACNIC Region origin ASes present in the Internet Routing Table: 4394 LACNIC Prefixes per ASN: 12.56 LACNIC Region origin ASes announcing only one prefix: 1546 LACNIC Region transit ASes present in the Internet Routing Table: 881 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: 3350 Number of LACNIC addresses announced to Internet: 106660544 Equivalent to 6 /8s, 91 /16s and 130 /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: 9638 Total AfriNIC prefixes after maximum aggregation: 2462 AfriNIC Deaggregation factor: 3.91 Prefixes being announced from the AfriNIC address blocks: 15196 Unique aggregates announced from the AfriNIC address blocks: 6990 AfriNIC Region origin ASes present in the Internet Routing Table: 278 AfriNIC Prefixes per ASN: 54.66 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.4 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: 43661312 Equivalent to 2 /8s, 154 /16s and 56 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13619 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2408 151 475 LCS-AS-AP LARUS Limited, HK 56041 1809 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 807 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14560 41233 5648 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2106 4316 578 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1601 1311 738 DNIC-ASBLK-00306-00371 - United States De 19901 1467 732 679 BRIGHTSPEED - Brightspeed, US 20057 1458 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1363 1335 140 SAUDINETSTC-AS, SA 20940 1230 95 1001 AKAMAI-ASN1, NL 34984 1117 152 778 TELLCOM-AS, TR 8452 941 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8764 891 212 86 TELIA-LIETUVA, LT 8376 669 54 30 UNASSIGNED 212238 591 42 525 CDNEXT, GB 35819 583 581 73 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 7337 1933 806 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1432 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1050 2392 94 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 685 43 217 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 1542 552 27 RAYA-AS, EG 24863 809 131 399 LINKdotNET-AS, EG 36935 757 521 39 Vodafone-, EG 37069 719 1100 11 MOBINIL, EG 36914 548 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 428 897 266 ETISALAT-MISR, EG 2018 373 318 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 14560 41233 5648 AMAZON-02 - Amazon.com, Inc., US 9808 13619 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7337 1933 806 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4782 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2408 151 475 LCS-AS-AP LARUS Limited, HK 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2106 4316 578 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 13619 13499 CHINAMOBILE-CN China Mobile Communications Grou 8151 7337 6531 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4782 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2408 1933 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1809 1730 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 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 23.142.24.0/24 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 /15:1075 /16:7464 /17:3495 /18:4225 /19:7731 /20:13426 /21:16136 /22:29185 /23:30106 /24:176417 /25:64 /26:82 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4073 7337 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3056 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2626 14560 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1127 1432 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2372 AS-COLOCROSSING - HostPapa, US 19901 1023 1467 BRIGHTSPEED - Brightspeed, US 6167 951 2106 CELLCO-PART - Verizon Business, US 209 945 1627 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:523 3:992 4:1 5:1175 6:183 7:5 8:623 9:7 11:172 12:855 13:617 14:116 15:399 16:144 17:3 18:906 20:366 21:4 22:188 23:2921 24:783 27:19 28:1 29:19 31:481 32:13 34:9 35:175 36:3344 37:650 38:2535 39:864 40:50 41:1097 42:20 43:216 44:33 45:4511 46:900 47:186 48:61 49:23 50:484 51:528 52:1096 54:266 55:1120 56:11 57:28 58:39 59:31 60:14 61:54 62:632 63:694 64:2239 65:1001 66:2451 67:1141 68:486 69:1194 70:424 71:142 72:724 74:1002 75:262 76:227 77:527 78:557 79:240 80:334 81:419 82:862 83:209 84:366 85:618 86:239 87:196 88:300 89:604 90:100 91:944 92:684 93:924 94:980 95:1298 96:283 97:44 98:381 99:286 100:21 101:26 102:374 103:1155 104:1628 105:156 106:7 107:1758 108:532 109:352 110:48 111:2800 112:1321 113:35 114:34 115:9 116:54 117:1636 118:60 119:74 120:2029 121:36 122:46 123:108 124:63 125:21 126:1 128:500 129:380 130:720 131:1268 132:561 133:217 134:528 135:136 136:710 137:597 138:1043 139:456 140:750 141:460 142:1525 143:870 144:498 145:183 146:671 147:505 148:1017 149:752 150:227 151:924 152:833 153:341 154:2333 155:986 156:2068 157:466 158:665 159:834 160:682 161:696 162:998 163:430 164:733 165:645 166:558 167:731 168:1440 169:168 170:1860 171:102 172:1383 173:799 174:269 175:122 176:746 177:1061 178:649 179:879 180:37 181:2611 182:24 183:1719 184:451 185:3348 186:3581 187:1762 188:1035 189:1984 190:6227 191:559 192:5143 193:1723 194:1115 195:990 196:667 197:699 198:2675 199:2466 200:4349 201:3619 202:839 203:613 204:2213 205:1837 206:1507 207:1712 208:1621 209:2053 210:354 211:513 212:1110 213:907 214:970 215:36 216:2491 217:560 218:673 219:18 220:27 221:536 222:29 223:1707 End of report