IPv4 R&E Routing Table Report 20:15 GMT Sun 12 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: 290895 Prefixes after maximum aggregation (per Origin AS): 118296 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149035 Number of IPv4 prefixes with a valid ROA: 149959 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140725 Total ASes present in the Internet Routing Table: 20306 Prefixes per ASN: 14.33 Origin-only ASes present in the Internet Routing Table: 17439 Origin ASes announcing only one prefix: 7850 Transit ASes present in the Internet Routing Table: 2867 Transit-only ASes present in the Internet Routing Table: 715 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: 49317 Number of 32-bit ASNs visible in the Routing Table: 8278 Prefixes from 32-bit ASNs in the Routing Table: 34784 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: 1616923941 Equivalent to 96 /8s, 96 /16s and 77 /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: 93872 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43877 Total APNIC prefixes after maximum aggregation: 8244 APNIC Deaggregation factor: 5.32 Prefixes being announced from the APNIC address blocks: 39728 Unique aggregates announced from the APNIC address blocks: 8036 APNIC Region origin ASes present in the Internet Routing Table: 1327 APNIC Prefixes per ASN: 29.94 APNIC Region origin ASes announcing only one prefix: 545 APNIC Region transit ASes present in the Internet Routing Table: 239 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: 678 Number of APNIC addresses announced to Internet: 168747628 Equivalent to 10 /8s, 14 /16s and 226 /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: 127657 Total ARIN prefixes after maximum aggregation: 65313 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 125045 Unique aggregates announced from the ARIN address blocks: 71388 ARIN Region origin ASes present in the Internet Routing Table: 8940 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 3706 ARIN Region transit ASes present in the Internet Routing Table: 839 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: 1015209001 Equivalent to 60 /8s, 130 /16s and 220 /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: 51781 Total RIPE prefixes after maximum aggregation: 25674 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 54995 Unique aggregates announced from the RIPE address blocks: 37932 RIPE Region origin ASes present in the Internet Routing Table: 4533 RIPE Prefixes per ASN: 12.13 RIPE Region origin ASes announcing only one prefix: 1946 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 282581968 Equivalent to 16 /8s, 215 /16s and 219 /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: 57632 Total LACNIC prefixes after maximum aggregation: 16396 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 55126 Unique aggregates announced from the LACNIC address blocks: 23952 LACNIC Region origin ASes present in the Internet Routing Table: 4396 LACNIC Prefixes per ASN: 12.54 LACNIC Region origin ASes announcing only one prefix: 1539 LACNIC Region transit ASes present in the Internet Routing Table: 886 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: 3354 Number of LACNIC addresses announced to Internet: 106549440 Equivalent to 6 /8s, 89 /16s and 208 /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: 9734 Total AfriNIC prefixes after maximum aggregation: 2500 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 15902 Unique aggregates announced from the AfriNIC address blocks: 7649 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 57.41 AfriNIC Region origin ASes announcing only one prefix: 114 AfriNIC Region transit ASes present in the Internet Routing Table: 76 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: 145 Number of AfriNIC addresses announced to Internet: 43759872 Equivalent to 2 /8s, 155 /16s and 185 /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 3028 190 507 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 14638 41276 5674 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3100 363 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 1595 1310 734 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 1424 1335 141 SAUDINETSTC-AS, SA 20940 1246 96 1015 AKAMAI-ASN1, NL 34984 1106 149 770 TELLCOM-AS, TR 8452 941 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 671 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 1496 206 1116 Telmex Colombia S.A., CO 11664 1434 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1246 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 828 134 414 LINKdotNET-AS, EG 37069 767 1100 11 MOBINIL, EG 36935 758 521 39 Vodafone-, EG 36914 541 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 14638 41276 5674 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 4779 3100 363 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 3028 190 507 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 4779 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3421 3232 CMNET-JIANGSU-AP China Mobile communications co 17561 3028 2521 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 /13:218 /14:576 /15:1078 /16:7421 /17:3485 /18:4219 /19:7726 /20:13275 /21:16075 /22:28829 /23:30155 /24:177282 /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 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2626 14638 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 2:537 3:1000 4:1 5:1169 6:184 7:5 8:617 9:7 11:172 12:849 13:628 14:134 15:399 16:150 17:3 18:910 20:367 21:4 22:188 23:2883 24:784 27:19 28:1 29:19 31:460 32:13 34:9 35:177 36:3356 37:650 38:2615 39:883 40:52 41:1095 42:20 43:223 44:32 45:4510 46:896 47:186 48:65 49:23 50:490 51:528 52:1104 54:270 55:1116 56:11 57:28 58:80 59:30 60:14 61:54 62:629 63:691 64:2225 65:1000 66:2467 67:1117 68:482 69:1183 70:424 71:141 72:728 74:986 75:263 76:227 77:524 78:559 79:241 80:340 81:420 82:839 83:209 84:366 85:604 86:241 87:208 88:285 89:606 90:101 91:923 92:669 93:905 94:974 95:1261 96:271 97:44 98:377 99:286 100:21 101:27 102:379 103:1236 104:1627 105:147 106:7 107:1762 108:528 109:357 110:48 111:2799 112:1321 113:34 114:32 115:29 116:57 117:1662 118:60 119:125 120:2035 121:36 122:46 123:106 124:61 125:17 126:1 128:502 129:383 130:718 131:1271 132:557 133:217 134:526 135:135 136:712 137:600 138:1052 139:456 140:749 141:458 142:1534 143:864 144:496 145:167 146:670 147:505 148:1017 149:756 150:227 151:930 152:834 153:385 154:2927 155:984 156:2047 157:470 158:672 159:865 160:681 161:702 162:994 163:445 164:727 165:648 166:555 167:711 168:1451 169:164 170:1872 171:102 172:1385 173:823 174:269 175:131 176:749 177:1098 178:644 179:884 180:37 181:2604 182:31 183:1721 184:445 185:3302 186:3597 187:1748 188:1028 189:1972 190:6219 191:569 192:5121 193:1703 194:1095 195:936 196:673 197:731 198:2648 199:2474 200:4321 201:3569 202:1091 203:750 204:2149 205:1818 206:1483 207:1670 208:1615 209:2039 210:410 211:513 212:1095 213:894 214:956 215:36 216:2494 217:547 218:670 219:18 220:27 221:536 222:30 223:1708 End of report