IPv4 R&E Routing Table Report 20:15 GMT Sat 11 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: 290317 Prefixes after maximum aggregation (per Origin AS): 118132 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148193 Number of IPv4 prefixes with a valid ROA: 149732 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140374 Total ASes present in the Internet Routing Table: 20277 Prefixes per ASN: 14.32 Origin-only ASes present in the Internet Routing Table: 17412 Origin ASes announcing only one prefix: 7843 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 708 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: 214 Number of instances of unregistered ASNs: 243 Number of 32-bit ASNs allocated by the RIRs: 49288 Number of 32-bit ASNs visible in the Routing Table: 8255 Prefixes from 32-bit ASNs in the Routing Table: 34662 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: 99 Number of addresses announced to Internet: 1619458853 Equivalent to 96 /8s, 134 /16s and 251 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 93767 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43455 Total APNIC prefixes after maximum aggregation: 8212 APNIC Deaggregation factor: 5.29 Prefixes being announced from the APNIC address blocks: 39707 Unique aggregates announced from the APNIC address blocks: 8019 APNIC Region origin ASes present in the Internet Routing Table: 1325 APNIC Prefixes per ASN: 29.97 APNIC Region origin ASes announcing only one prefix: 546 APNIC Region transit ASes present in the Internet Routing Table: 240 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: 679 Number of APNIC addresses announced to Internet: 168747116 Equivalent to 10 /8s, 14 /16s and 224 /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: 127701 Total ARIN prefixes after maximum aggregation: 65221 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125056 Unique aggregates announced from the ARIN address blocks: 70995 ARIN Region origin ASes present in the Internet Routing Table: 8943 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 3707 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2154 Number of ARIN addresses announced to Internet: 1017940009 Equivalent to 60 /8s, 172 /16s and 136 /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: 51792 Total RIPE prefixes after maximum aggregation: 25671 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55022 Unique aggregates announced from the RIPE address blocks: 37969 RIPE Region origin ASes present in the Internet Routing Table: 4533 RIPE Prefixes per ASN: 12.14 RIPE Region origin ASes announcing only one prefix: 1944 RIPE Region transit ASes present in the Internet Routing Table: 713 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: 1947 Number of RIPE addresses announced to Internet: 282529744 Equivalent to 16 /8s, 215 /16s and 15 /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: 57413 Total LACNIC prefixes after maximum aggregation: 16359 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 54921 Unique aggregates announced from the LACNIC address blocks: 23889 LACNIC Region origin ASes present in the Internet Routing Table: 4370 LACNIC Prefixes per ASN: 12.57 LACNIC Region origin ASes announcing only one prefix: 1529 LACNIC Region transit ASes present in the Internet Routing Table: 876 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: 3327 Number of LACNIC addresses announced to Internet: 106509504 Equivalent to 6 /8s, 89 /16s and 52 /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: 9742 Total AfriNIC prefixes after maximum aggregation: 2500 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15512 Unique aggregates announced from the AfriNIC address blocks: 7243 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 55.40 AfriNIC Region origin ASes announcing only one prefix: 117 AfriNIC Region transit ASes present in the Internet Routing Table: 78 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: 148 Number of AfriNIC addresses announced to Internet: 43656448 Equivalent to 2 /8s, 154 /16s and 37 /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 13632 8729 119 CHINAMOBILE-CN China Mobile Communication 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2621 165 484 LCS-AS-AP LARUS Limited, HK 56041 1810 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 808 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 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 14632 41276 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2386 195 1101 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1626 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1594 1310 732 DNIC-ASBLK-00306-00371 - United States De 19901 1465 732 677 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 1418 1335 141 SAUDINETSTC-AS, SA 20940 1245 96 1015 AKAMAI-ASN1, NL 34984 1106 149 770 TELLCOM-AS, TR 8452 943 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 669 53 29 UNASSIGNED 212238 598 42 532 CDNEXT, GB 35819 590 582 75 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 7279 1931 810 UNINET, MX 11830 1938 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1434 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1245 371 22 INTEGRATEL PERU S.A.A., PE 26615 1058 2391 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 841 140 44 ENTEL CHILE S.A., CL 12252 672 164 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 1542 552 27 RAYA-AS, EG 24863 817 133 406 LINKdotNET-AS, EG 37069 767 1100 11 MOBINIL, EG 36935 758 521 39 Vodafone-, EG 36914 548 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 431 900 269 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 14632 41276 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13632 8729 119 CHINAMOBILE-CN China Mobile Communication 8151 7279 1931 810 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2621 165 484 LCS-AS-AP LARUS Limited, HK 36352 2386 195 1101 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13632 13513 CHINAMOBILE-CN China Mobile Communications Grou 8151 7279 6469 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4780 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3421 3232 CMNET-JIANGSU-AP China Mobile communications co 17561 2621 2137 LCS-AS-AP LARUS Limited, HK 11830 1938 1873 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 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 23.172.88.0/24 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 /12:159 /13:217 /14:575 /15:1078 /16:7465 /17:3488 /18:4215 /19:7729 /20:13279 /21:16076 /22:28681 /23:30053 /24:176905 /25:63 /26:83 /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 4020 7279 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3054 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2625 14632 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1938 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2386 AS-COLOCROSSING - HostPapa, US 19901 1021 1465 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 209 944 1626 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) ---------------------------------------------- 1:72 2:539 3:996 4:1 5:1167 6:184 7:5 8:616 9:7 11:172 12:847 13:629 14:134 15:399 16:148 17:3 18:909 20:367 21:4 22:188 23:2878 24:784 27:19 28:1 29:19 31:458 32:13 34:9 35:177 36:3356 37:648 38:2586 39:879 40:52 41:1096 42:20 43:222 44:32 45:4486 46:895 47:186 48:65 49:23 50:481 51:528 52:1105 54:272 55:1118 56:11 57:28 58:78 59:30 60:15 61:54 62:631 63:690 64:2228 65:1003 66:2464 67:1136 68:482 69:1192 70:423 71:141 72:718 74:987 75:262 76:227 77:519 78:560 79:241 80:340 81:415 82:841 83:209 84:363 85:606 86:240 87:208 88:285 89:605 90:100 91:923 92:670 93:910 94:977 95:1261 96:271 97:44 98:377 99:286 100:21 101:27 102:370 103:1217 104:1624 105:160 106:7 107:1758 108:527 109:353 110:46 111:2799 112:1321 113:34 114:33 115:29 116:56 117:1662 118:60 119:125 120:2035 121:36 122:47 123:106 124:61 125:17 126:1 128:501 129:383 130:719 131:1252 132:549 133:217 134:528 135:135 136:712 137:599 138:1044 139:456 140:750 141:458 142:1533 143:856 144:498 145:167 146:684 147:504 148:1028 149:757 150:227 151:931 152:834 153:406 154:2536 155:985 156:2030 157:473 158:671 159:868 160:682 161:703 162:996 163:445 164:727 165:655 166:556 167:714 168:1441 169:168 170:1871 171:102 172:1386 173:802 174:275 175:131 176:746 177:1082 178:646 179:882 180:37 181:2604 182:31 183:1721 184:447 185:3315 186:3590 187:1747 188:1029 189:1967 190:6213 191:567 192:5126 193:1704 194:1097 195:938 196:671 197:732 198:2649 199:2473 200:4318 201:3586 202:1089 203:750 204:2190 205:1821 206:1513 207:1708 208:1621 209:2042 210:410 211:514 212:1098 213:894 214:956 215:36 216:2493 217:539 218:670 219:18 220:27 221:536 222:30 223:1709 End of report