IPv4 R&E Routing Table Report 20:15 GMT Mon 09 Mar, 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: 290050 Prefixes after maximum aggregation (per Origin AS): 118058 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147171 Number of IPv4 prefixes with a valid ROA: 149010 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140826 Total ASes present in the Internet Routing Table: 20363 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17497 Origin ASes announcing only one prefix: 7830 Transit ASes present in the Internet Routing Table: 2866 Transit-only ASes present in the Internet Routing Table: 729 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 255 Number of instances of unregistered ASNs: 284 Number of 32-bit ASNs allocated by the RIRs: 48985 Number of 32-bit ASNs visible in the Routing Table: 8325 Prefixes from 32-bit ASNs in the Routing Table: 35238 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 1626224069 Equivalent to 96 /8s, 238 /16s and 53 /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: 93428 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42399 Total APNIC prefixes after maximum aggregation: 8082 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 38855 Unique aggregates announced from the APNIC address blocks: 7732 APNIC Region origin ASes present in the Internet Routing Table: 1231 APNIC Prefixes per ASN: 31.56 APNIC Region origin ASes announcing only one prefix: 510 APNIC Region transit ASes present in the Internet Routing Table: 219 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 601 Number of APNIC addresses announced to Internet: 168652652 Equivalent to 10 /8s, 13 /16s and 111 /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: 128536 Total ARIN prefixes after maximum aggregation: 65285 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125597 Unique aggregates announced from the ARIN address blocks: 70932 ARIN Region origin ASes present in the Internet Routing Table: 9006 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3727 ARIN Region transit ASes present in the Internet Routing Table: 861 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: 2163 Number of ARIN addresses announced to Internet: 1021990441 Equivalent to 60 /8s, 234 /16s and 86 /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, 393216-402332 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: 51073 Total RIPE prefixes after maximum aggregation: 25758 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54116 Unique aggregates announced from the RIPE address blocks: 37240 RIPE Region origin ASes present in the Internet Routing Table: 4459 RIPE Prefixes per ASN: 12.14 RIPE Region origin ASes announcing only one prefix: 1893 RIPE Region transit ASes present in the Internet Routing Table: 692 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1904 Number of RIPE addresses announced to Internet: 282262736 Equivalent to 16 /8s, 210 /16s and 252 /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: 57960 Total LACNIC prefixes after maximum aggregation: 16688 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55772 Unique aggregates announced from the LACNIC address blocks: 24343 LACNIC Region origin ASes present in the Internet Routing Table: 4544 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1596 LACNIC Region transit ASes present in the Internet Routing Table: 893 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: 3507 Number of LACNIC addresses announced to Internet: 107481696 Equivalent to 6 /8s, 104 /16s and 10 /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: 9827 Total AfriNIC prefixes after maximum aggregation: 2051 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 15621 Unique aggregates announced from the AfriNIC address blocks: 6844 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 55.59 AfriNIC Region origin ASes announcing only one prefix: 104 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.3 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: 45764608 Equivalent to 2 /8s, 186 /16s and 80 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2340 147 481 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1060 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 704 1210 158 ALIBABA-CN-NET Alibaba US Technology Co., 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 14442 41234 5556 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 6167 2016 4259 564 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1632 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1625 1332 738 DNIC-ASBLK-00306-00371 - United States De 19901 1475 737 686 BRIGHTSPEED - Brightspeed, US 20057 1456 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 4901 302 72 ALJAWWALSTC-AS, SA 20940 1309 101 1054 AKAMAI-ASN1, NL 25019 1271 1335 143 SAUDINETSTC-AS, SA 34984 983 145 731 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 890 1841 19 TE-AS TE-AS, EG 212238 729 52 642 CDNEXT, GB 8376 668 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 529 98 448 OPENTRANSIT, FR 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 7203 1938 828 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1515 211 1130 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1249 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 960 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 683 43 200 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 1528 524 27 RAYA-AS, EG 37069 1088 1100 11 MOBINIL, EG 24863 843 389 16 LINKdotNET-AS, EG 36914 556 82 3 KENET-AS, KE 36935 536 515 11 Vodafone-, EG 36903 468 222 317 MT-MPLS, MA 36992 436 895 263 ETISALAT-MISR, EG 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 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 14442 41234 5556 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7203 1938 828 UNINET, MX 39891 4901 302 72 ALJAWWALSTC-AS, SA 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 17561 2340 147 481 LCS-AS-AP LARUS Limited, HK 6167 2016 4259 564 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 7203 6375 UNINET, MX 39891 4901 4829 ALJAWWALSTC-AS, SA 22773 4777 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2340 1859 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 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 397665 UNALLOCATED 12.24.28.0/24 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 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 /11:56 /12:160 /13:220 /14:583 /15:1077 /16:7520 /17:3518 /18:4232 /19:7755 /20:13637 /21:15959 /22:28997 /23:30236 /24:175756 /25:65 /26:82 /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 3997 7203 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2573 14442 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1030 1475 BRIGHTSPEED - Brightspeed, US 36352 1029 2371 AS-COLOCROSSING - HostPapa, US 209 949 1632 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 927 1515 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) ---------------------------------------------- 1:72 2:517 3:995 4:1 5:1159 6:183 7:5 8:619 9:7 11:172 12:857 13:596 14:129 15:400 16:152 17:3 18:912 20:342 21:4 22:188 23:2962 24:680 27:21 29:19 31:457 32:12 34:9 35:185 36:3352 37:612 38:2474 39:852 40:46 41:1074 42:22 43:214 44:25 45:4671 46:907 47:173 48:29 49:21 50:496 51:515 52:1091 54:272 55:1114 56:11 57:30 58:46 59:32 60:14 61:47 62:606 63:701 64:2222 65:973 66:2389 67:1114 68:493 69:1208 70:427 71:150 72:710 74:1011 75:273 76:233 77:447 78:555 79:238 80:326 81:416 82:817 83:203 84:335 85:600 86:252 87:194 88:279 89:580 90:102 91:933 92:669 93:886 94:981 95:1290 96:282 97:53 98:389 99:285 100:21 101:25 102:407 103:1244 104:1650 105:159 107:1762 108:499 109:369 110:51 111:2749 112:1296 113:34 114:38 115:7 116:57 117:1615 118:59 119:71 120:2020 121:35 122:42 123:107 124:62 125:23 126:1 128:607 129:304 130:727 131:1230 132:551 133:217 134:498 135:133 136:719 137:597 138:1043 139:464 140:760 141:420 142:1491 143:846 144:507 145:203 146:674 147:557 148:1015 149:749 150:240 151:908 152:790 153:294 154:2351 155:1005 156:2089 157:460 158:670 159:813 160:674 161:708 162:1030 163:424 164:728 165:633 166:569 167:723 168:1503 169:198 170:1906 171:103 172:1389 173:799 174:271 175:87 176:621 177:1067 178:630 179:899 180:36 181:2622 182:27 183:1694 184:447 185:3282 186:3527 187:1799 188:1053 189:1954 190:6304 191:580 192:5106 193:1724 194:1096 195:906 196:703 197:685 198:2675 199:2481 200:4438 201:3624 202:1015 203:728 204:2169 205:1797 206:1510 207:1701 208:1624 209:2059 210:320 211:512 212:1013 213:866 214:965 215:35 216:2464 217:547 218:654 219:18 220:28 221:537 222:30 223:1684 End of report