IPv4 R&E Routing Table Report 20:15 GMT Sun 05 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: 289607 Prefixes after maximum aggregation (per Origin AS): 117365 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 146818 Number of IPv4 prefixes with a valid ROA: 148623 Number of IPv4 prefixes with an invalid ROA: 205 Number of IPv4 prefixes with no ROA: 140779 Total ASes present in the Internet Routing Table: 20213 Prefixes per ASN: 14.33 Origin-only ASes present in the Internet Routing Table: 17344 Origin ASes announcing only one prefix: 7816 Transit ASes present in the Internet Routing Table: 2869 Transit-only ASes present in the Internet Routing Table: 731 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: 201 Number of instances of unregistered ASNs: 230 Number of 32-bit ASNs allocated by the RIRs: 49225 Number of 32-bit ASNs visible in the Routing Table: 8223 Prefixes from 32-bit ASNs in the Routing Table: 34319 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: 100 Number of addresses announced to Internet: 1620766629 Equivalent to 96 /8s, 154 /16s and 239 /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: 93783 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42642 Total APNIC prefixes after maximum aggregation: 7956 APNIC Deaggregation factor: 5.36 Prefixes being announced from the APNIC address blocks: 39205 Unique aggregates announced from the APNIC address blocks: 7772 APNIC Region origin ASes present in the Internet Routing Table: 1224 APNIC Prefixes per ASN: 32.03 APNIC Region origin ASes announcing only one prefix: 506 APNIC Region transit ASes present in the Internet Routing Table: 224 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: 622 Number of APNIC addresses announced to Internet: 168815468 Equivalent to 10 /8s, 15 /16s and 235 /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: 127851 Total ARIN prefixes after maximum aggregation: 65257 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125052 Unique aggregates announced from the ARIN address blocks: 70897 ARIN Region origin ASes present in the Internet Routing Table: 8949 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 3702 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: 2151 Number of ARIN addresses announced to Internet: 1017882921 Equivalent to 60 /8s, 171 /16s and 169 /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: 51623 Total RIPE prefixes after maximum aggregation: 25625 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54794 Unique aggregates announced from the RIPE address blocks: 37868 RIPE Region origin ASes present in the Internet Routing Table: 4529 RIPE Prefixes per ASN: 12.10 RIPE Region origin ASes announcing only one prefix: 1942 RIPE Region transit ASes present in the Internet Routing Table: 704 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1950 Number of RIPE addresses announced to Internet: 282348880 Equivalent to 16 /8s, 212 /16s and 77 /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: 57549 Total LACNIC prefixes after maximum aggregation: 16281 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55167 Unique aggregates announced from the LACNIC address blocks: 23871 LACNIC Region origin ASes present in the Internet Routing Table: 4389 LACNIC Prefixes per ASN: 12.57 LACNIC Region origin ASes announcing only one prefix: 1553 LACNIC Region transit ASes present in the Internet Routing Table: 883 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: 106695616 Equivalent to 6 /8s, 92 /16s and 11 /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: 9741 Total AfriNIC prefixes after maximum aggregation: 2088 AfriNIC Deaggregation factor: 4.67 Prefixes being announced from the AfriNIC address blocks: 15289 Unique aggregates announced from the AfriNIC address blocks: 6330 AfriNIC Region origin ASes present in the Internet Routing Table: 278 AfriNIC Prefixes per ASN: 55.00 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 80 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: 150 Number of AfriNIC addresses announced to Internet: 44881664 Equivalent to 2 /8s, 172 /16s and 215 /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 2412 152 468 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 14510 41229 5635 AMAZON-02 - Amazon.com, Inc., US 22773 4781 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 1592 1309 731 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 1378 1335 142 SAUDINETSTC-AS, SA 20940 1246 96 1016 AKAMAI-ASN1, NL 34984 1119 152 779 TELLCOM-AS, TR 8452 941 1841 18 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 663 53 31 UNASSIGNED 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 212238 568 40 502 CDNEXT, GB 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 7346 1941 801 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 1052 2393 95 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 688 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 1542 552 27 RAYA-AS, EG 24863 850 389 16 LINKdotNET-AS, EG 36935 760 522 42 Vodafone-, EG 37069 743 1100 11 MOBINIL, EG 36914 545 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 461 932 275 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 14510 41229 5635 AMAZON-02 - Amazon.com, Inc., US 9808 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7346 1941 801 UNINET, MX 39891 4836 298 70 ALJAWWALSTC-AS, SA 22773 4781 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 2412 152 468 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 7346 6545 UNINET, MX 39891 4836 4766 ALJAWWALSTC-AS, SA 22773 4781 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2412 1944 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 /14:579 /15:1075 /16:7478 /17:3504 /18:4227 /19:7716 /20:13301 /21:16071 /22:28693 /23:30071 /24:176116 /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 4075 7346 UNINET, MX 39891 3648 4836 ALJAWWALSTC-AS, SA 22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2614 14510 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) ---------------------------------------------- 1:73 2:573 3:990 4:1 5:1162 6:183 7:5 8:624 9:7 11:172 12:855 13:616 14:117 15:397 16:144 17:3 18:903 20:366 21:4 22:188 23:2915 24:862 27:19 28:1 29:19 31:469 32:13 34:9 35:175 36:3345 37:650 38:2553 39:864 40:50 41:1089 42:20 43:216 44:33 45:4456 46:897 47:186 48:61 49:23 50:478 51:464 52:1091 54:265 55:1119 56:11 57:28 58:39 59:35 60:30 61:55 62:629 63:690 64:2230 65:1002 66:2447 67:1137 68:483 69:1194 70:424 71:142 72:723 74:986 75:262 76:235 77:518 78:556 79:240 80:326 81:419 82:834 83:206 84:363 85:608 86:240 87:196 88:285 89:608 90:100 91:935 92:666 93:927 94:981 95:1297 96:272 97:44 98:378 99:286 100:21 101:27 102:374 103:1196 104:1626 105:148 106:41 107:1754 108:528 109:357 110:58 111:2809 112:1321 113:35 114:39 115:12 116:64 117:1647 118:71 119:75 120:2029 121:36 122:54 123:163 124:63 125:21 126:1 128:440 129:386 130:720 131:1268 132:557 133:217 134:529 135:135 136:712 137:596 138:1026 139:456 140:749 141:459 142:1527 143:865 144:495 145:183 146:668 147:504 148:1018 149:751 150:227 151:920 152:840 153:287 154:2343 155:982 156:2059 157:468 158:666 159:831 160:681 161:695 162:998 163:434 164:731 165:644 166:558 167:729 168:1447 169:168 170:1870 171:104 172:1383 173:804 174:269 175:122 176:693 177:1028 178:644 179:888 180:37 181:2603 182:38 183:1719 184:450 185:3309 186:3585 187:1759 188:1021 189:1978 190:6242 191:558 192:5127 193:1705 194:1104 195:940 196:669 197:700 198:2663 199:2471 200:4361 201:3621 202:844 203:613 204:2208 205:1821 206:1507 207:1709 208:1628 209:2049 210:356 211:522 212:1095 213:892 214:972 215:36 216:2470 217:557 218:716 219:18 220:33 221:539 222:29 223:1706 End of report