IPv4 R&E Routing Table Report 20:15 GMT Sat 04 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: 289482 Prefixes after maximum aggregation (per Origin AS): 117349 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 146895 Number of IPv4 prefixes with a valid ROA: 148493 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 140786 Total ASes present in the Internet Routing Table: 20255 Prefixes per ASN: 14.29 Origin-only ASes present in the Internet Routing Table: 17395 Origin ASes announcing only one prefix: 7817 Transit ASes present in the Internet Routing Table: 2860 Transit-only ASes present in the Internet Routing Table: 719 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 200 Number of instances of unregistered ASNs: 229 Number of 32-bit ASNs allocated by the RIRs: 49218 Number of 32-bit ASNs visible in the Routing Table: 8265 Prefixes from 32-bit ASNs in the Routing Table: 34598 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 98 Number of addresses announced to Internet: 1620205221 Equivalent to 96 /8s, 146 /16s and 94 /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: 93686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42380 Total APNIC prefixes after maximum aggregation: 7865 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 38965 Unique aggregates announced from the APNIC address blocks: 7665 APNIC Region origin ASes present in the Internet Routing Table: 1200 APNIC Prefixes per ASN: 32.47 APNIC Region origin ASes announcing only one prefix: 494 APNIC Region transit ASes present in the Internet Routing Table: 214 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: 591 Number of APNIC addresses announced to Internet: 168055404 Equivalent to 10 /8s, 4 /16s and 82 /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: 127914 Total ARIN prefixes after maximum aggregation: 65338 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125151 Unique aggregates announced from the ARIN address blocks: 71014 ARIN Region origin ASes present in the Internet Routing Table: 8950 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 3699 ARIN Region transit ASes present in the Internet Routing Table: 842 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: 2152 Number of ARIN addresses announced to Internet: 1017893673 Equivalent to 60 /8s, 171 /16s and 211 /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: 51423 Total RIPE prefixes after maximum aggregation: 25564 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54583 Unique aggregates announced from the RIPE address blocks: 37698 RIPE Region origin ASes present in the Internet Routing Table: 4515 RIPE Prefixes per ASN: 12.09 RIPE Region origin ASes announcing only one prefix: 1941 RIPE Region transit ASes present in the Internet Routing Table: 702 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: 1944 Number of RIPE addresses announced to Internet: 282278736 Equivalent to 16 /8s, 211 /16s and 59 /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: 58082 Total LACNIC prefixes after maximum aggregation: 16375 LACNIC Deaggregation factor: 3.55 Prefixes being announced from the LACNIC address blocks: 55675 Unique aggregates announced from the LACNIC address blocks: 24146 LACNIC Region origin ASes present in the Internet Routing Table: 4483 LACNIC Prefixes per ASN: 12.42 LACNIC Region origin ASes announcing only one prefix: 1572 LACNIC Region transit ASes present in the Internet Routing Table: 895 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: 3429 Number of LACNIC addresses announced to Internet: 106977984 Equivalent to 6 /8s, 96 /16s and 90 /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: 9483 Total AfriNIC prefixes after maximum aggregation: 2050 AfriNIC Deaggregation factor: 4.63 Prefixes being announced from the AfriNIC address blocks: 15010 Unique aggregates announced from the AfriNIC address blocks: 6294 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 54.38 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 79 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 44857856 Equivalent to 2 /8s, 172 /16s and 122 /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 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2396 151 463 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 926 177 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 14516 41229 5644 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2370 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2107 4316 579 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1597 1310 734 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 4836 298 70 ALJAWWALSTC-AS, SA 25019 1326 1335 142 SAUDINETSTC-AS, SA 20940 1256 97 1020 AKAMAI-ASN1, NL 34984 985 144 731 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 662 53 31 UNASSIGNED 212238 594 42 528 CDNEXT, GB 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 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 7344 1940 799 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1459 278 31 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 1051 2393 95 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 689 43 209 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 1500 524 27 RAYA-AS, EG 24863 850 389 16 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 36914 550 82 3 KENET-AS, KE 36935 544 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 460 932 274 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 14516 41229 5644 AMAZON-02 - Amazon.com, Inc., US 9808 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7344 1940 799 UNINET, MX 39891 4836 298 70 ALJAWWALSTC-AS, SA 22773 4778 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 2396 151 463 LCS-AS-AP LARUS Limited, HK 36352 2370 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2107 4316 579 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 13623 13503 CHINAMOBILE-CN China Mobile Communications Grou 8151 7344 6545 UNINET, MX 39891 4836 4766 ALJAWWALSTC-AS, SA 22773 4778 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2396 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 /16:7474 /17:3491 /18:4215 /19:7718 /20:13239 /21:16071 /22:28606 /23:30051 /24:176188 /25:65 /26:83 /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 4073 7344 UNINET, MX 39891 3648 4836 ALJAWWALSTC-AS, SA 22773 3055 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2612 14516 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1149 1459 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2370 AS-COLOCROSSING - HostPapa, US 19901 1023 1467 BRIGHTSPEED - Brightspeed, US 6167 952 2107 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) ---------------------------------------------- 1:74 2:565 3:991 4:1 5:1163 6:183 7:5 8:624 9:7 11:172 12:855 13:616 14:118 15:397 16:144 17:3 18:904 20:364 21:4 22:188 23:2919 24:862 27:19 28:1 29:19 31:462 32:13 34:9 35:175 36:3344 37:647 38:2586 39:864 40:50 41:1084 42:21 43:212 44:32 45:4604 46:897 47:186 48:60 49:23 50:478 51:464 52:1091 54:265 55:1108 56:11 57:28 58:39 59:30 60:30 61:55 62:620 63:690 64:2231 65:1002 66:2433 67:1137 68:483 69:1194 70:424 71:142 72:723 74:986 75:262 76:235 77:517 78:555 79:240 80:325 81:419 82:829 83:206 84:344 85:600 86:240 87:198 88:285 89:608 90:98 91:926 92:663 93:928 94:978 95:1297 96:272 97:44 98:377 99:283 100:21 101:28 102:371 103:1161 104:1631 105:134 106:41 107:1754 108:529 109:357 110:48 111:2801 112:1321 113:34 114:39 115:12 116:53 117:1637 118:61 119:75 120:2029 121:36 122:54 123:163 124:63 125:21 126:1 128:445 129:372 130:720 131:1266 132:554 133:217 134:528 135:135 136:706 137:596 138:1045 139:456 140:749 141:459 142:1526 143:871 144:498 145:183 146:668 147:505 148:1017 149:755 150:226 151:929 152:841 153:286 154:2329 155:980 156:2056 157:467 158:664 159:833 160:681 161:695 162:998 163:431 164:735 165:642 166:558 167:723 168:1479 169:168 170:1889 171:103 172:1384 173:804 174:269 175:121 176:612 177:1041 178:644 179:917 180:37 181:2627 182:24 183:1719 184:450 185:3280 186:3606 187:1760 188:1023 189:1982 190:6334 191:565 192:5133 193:1701 194:1101 195:929 196:661 197:702 198:2663 199:2473 200:4411 201:3605 202:837 203:613 204:2209 205:1837 206:1512 207:1710 208:1624 209:2048 210:354 211:522 212:1083 213:874 214:968 215:36 216:2471 217:555 218:712 219:18 220:33 221:539 222:31 223:1705 End of report