IPv4 R&E Routing Table Report 20:15 GMT Fri 01 May, 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: 292389 Prefixes after maximum aggregation (per Origin AS): 118832 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149012 Number of IPv4 prefixes with a valid ROA: 151703 Number of IPv4 prefixes with an invalid ROA: 217 Number of IPv4 prefixes with no ROA: 140469 Total ASes present in the Internet Routing Table: 20162 Prefixes per ASN: 14.50 Origin-only ASes present in the Internet Routing Table: 17320 Origin ASes announcing only one prefix: 7735 Transit ASes present in the Internet Routing Table: 2842 Transit-only ASes present in the Internet Routing Table: 701 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: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 210 Number of instances of unregistered ASNs: 239 Number of 32-bit ASNs allocated by the RIRs: 49582 Number of 32-bit ASNs visible in the Routing Table: 8298 Prefixes from 32-bit ASNs in the Routing Table: 35621 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: 87 Number of addresses announced to Internet: 1623904549 Equivalent to 96 /8s, 202 /16s and 209 /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: 95213 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42861 Total APNIC prefixes after maximum aggregation: 7913 APNIC Deaggregation factor: 5.42 Prefixes being announced from the APNIC address blocks: 39296 Unique aggregates announced from the APNIC address blocks: 7685 APNIC Region origin ASes present in the Internet Routing Table: 1187 APNIC Prefixes per ASN: 33.11 APNIC Region origin ASes announcing only one prefix: 468 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 571 Number of APNIC addresses announced to Internet: 168551276 Equivalent to 10 /8s, 11 /16s and 227 /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: 128656 Total ARIN prefixes after maximum aggregation: 65616 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125927 Unique aggregates announced from the ARIN address blocks: 71343 ARIN Region origin ASes present in the Internet Routing Table: 8913 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3691 ARIN Region transit ASes present in the Internet Routing Table: 832 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: 2162 Number of ARIN addresses announced to Internet: 1019669289 Equivalent to 60 /8s, 198 /16s and 235 /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: 52394 Total RIPE prefixes after maximum aggregation: 26065 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55734 Unique aggregates announced from the RIPE address blocks: 38577 RIPE Region origin ASes present in the Internet Routing Table: 4476 RIPE Prefixes per ASN: 12.45 RIPE Region origin ASes announcing only one prefix: 1887 RIPE Region transit ASes present in the Internet Routing Table: 700 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: 1942 Number of RIPE addresses announced to Internet: 283317456 Equivalent to 16 /8s, 227 /16s and 20 /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: 58597 Total LACNIC prefixes after maximum aggregation: 16683 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 56021 Unique aggregates announced from the LACNIC address blocks: 24504 LACNIC Region origin ASes present in the Internet Routing Table: 4497 LACNIC Prefixes per ASN: 12.46 LACNIC Region origin ASes announcing only one prefix: 1578 LACNIC Region transit ASes present in the Internet Routing Table: 913 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: 3473 Number of LACNIC addresses announced to Internet: 107482304 Equivalent to 6 /8s, 104 /16s and 12 /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: 9671 Total AfriNIC prefixes after maximum aggregation: 2392 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 15324 Unique aggregates announced from the AfriNIC address blocks: 6827 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 55.93 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150 Number of AfriNIC addresses announced to Internet: 44816128 Equivalent to 2 /8s, 171 /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 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2458 154 433 LCS-AS-AP LARUS Limited, HK 56041 1820 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1073 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 171 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14849 41293 5690 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2147 4358 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1620 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1514 1244 728 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1455 730 662 BRIGHTSPEED - Brightspeed, US 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1503 1384 141 SAUDINETSTC-AS, SA 20940 1236 95 1011 AKAMAI-ASN1, NL 34984 1029 142 731 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 212238 795 58 703 CDNEXT, GB 8376 673 53 30 UNASSIGNED 35819 586 576 79 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 7748 1931 795 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1518 207 1127 Telmex Colombia S.A., CO 11664 1444 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1229 379 23 INTEGRATEL PERU S.A.A., PE 26615 1061 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 843 140 44 ENTEL CHILE S.A., CL 12252 669 164 24 America Movil Peru S.A.C., PE 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 1516 553 29 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 756 520 37 Vodafone-, EG 24863 734 114 361 LINKdotNET-AS, EG 36914 544 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 449 923 258 ETISALAT-MISR, EG 2018 373 318 69 TENET-1, ZA 37693 349 599 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 14849 41293 5690 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7748 1931 795 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 17561 2458 154 433 LCS-AS-AP LARUS Limited, HK 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2147 4358 561 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 13671 13550 CHINAMOBILE-CN China Mobile Communications Grou 8151 7748 6953 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2458 2025 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1820 1741 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 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 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /12:160 /13:218 /14:584 /15:1082 /16:7484 /17:3506 /18:4255 /19:7757 /20:13322 /21:16253 /22:28727 /23:30418 /24:178227 /25:64 /26:84 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4390 7748 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3054 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2671 14849 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1139 1444 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2383 AS-COLOCROSSING - HostPapa, US 19901 1006 1455 BRIGHTSPEED - Brightspeed, US 6167 984 2147 CELLCO-PART - Verizon Business, US 10620 947 1518 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) ---------------------------------------------- 1:78 2:565 3:1008 4:1 5:1175 6:186 7:5 8:611 9:7 11:172 12:842 13:639 14:125 15:404 16:182 17:3 18:913 20:365 21:4 22:188 23:2904 24:790 27:22 28:1 29:19 31:454 32:13 34:12 35:178 36:3427 37:639 38:2627 39:877 40:59 41:1068 42:20 43:219 44:27 45:4393 46:902 47:187 48:67 49:23 50:473 51:544 52:1128 54:283 55:1211 56:11 57:32 58:17 59:27 60:14 61:54 62:656 63:679 64:2246 65:1019 66:2478 67:1199 68:499 69:1197 70:357 71:141 72:749 74:1028 75:262 76:221 77:513 78:563 79:251 80:343 81:424 82:830 83:212 84:394 85:637 86:248 87:235 88:278 89:628 90:125 91:932 92:648 93:937 94:988 95:1266 96:271 97:46 98:466 99:296 100:39 101:26 102:406 103:1130 104:1628 105:160 106:7 107:1783 108:528 109:379 110:62 111:2814 112:1327 113:40 114:32 115:16 116:53 117:1638 118:55 119:76 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:507 129:391 130:720 131:1281 132:551 133:214 134:530 135:122 136:679 137:590 138:1078 139:457 140:746 141:458 142:1551 143:846 144:521 145:172 146:676 147:499 148:1022 149:811 150:225 151:929 152:852 153:532 154:2559 155:968 156:1856 157:429 158:684 159:900 160:706 161:704 162:991 163:433 164:726 165:641 166:556 167:729 168:1433 169:170 170:1863 171:104 172:1455 173:804 174:321 175:126 176:751 177:1180 178:649 179:925 180:37 181:2619 182:26 183:1731 184:440 185:3352 186:3690 187:1991 188:1021 189:2056 190:6203 191:625 192:5116 193:1709 194:1115 195:937 196:679 197:686 198:2627 199:2462 200:4424 201:3630 202:1012 203:702 204:2190 205:1831 206:1506 207:1704 208:1627 209:2026 210:351 211:518 212:1092 213:859 214:954 215:36 216:2524 217:534 218:669 219:18 220:27 221:536 222:28 223:1713 End of report