IPv4 R&E Routing Table Report 20:15 GMT Fri 13 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: 290135 Prefixes after maximum aggregation (per Origin AS): 117772 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147372 Number of IPv4 prefixes with a valid ROA: 148546 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 141376 Total ASes present in the Internet Routing Table: 20382 Prefixes per ASN: 14.23 Origin-only ASes present in the Internet Routing Table: 17511 Origin ASes announcing only one prefix: 7837 Transit ASes present in the Internet Routing Table: 2871 Transit-only ASes present in the Internet Routing Table: 710 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: 291 Number of instances of unregistered ASNs: 320 Number of 32-bit ASNs allocated by the RIRs: 48926 Number of 32-bit ASNs visible in the Routing Table: 8380 Prefixes from 32-bit ASNs in the Routing Table: 35232 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: 92 Number of addresses announced to Internet: 1621958597 Equivalent to 96 /8s, 173 /16s and 31 /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: 93372 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42520 Total APNIC prefixes after maximum aggregation: 8016 APNIC Deaggregation factor: 5.30 Prefixes being announced from the APNIC address blocks: 38984 Unique aggregates announced from the APNIC address blocks: 7737 APNIC Region origin ASes present in the Internet Routing Table: 1234 APNIC Prefixes per ASN: 31.59 APNIC Region origin ASes announcing only one prefix: 501 APNIC Region transit ASes present in the Internet Routing Table: 218 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: 603 Number of APNIC addresses announced to Internet: 168750700 Equivalent to 10 /8s, 14 /16s and 238 /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: 127740 Total ARIN prefixes after maximum aggregation: 65210 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124897 Unique aggregates announced from the ARIN address blocks: 70711 ARIN Region origin ASes present in the Internet Routing Table: 8952 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3681 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2156 Number of ARIN addresses announced to Internet: 1017841193 Equivalent to 60 /8s, 171 /16s and 6 /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: 50443 Total RIPE prefixes after maximum aggregation: 25282 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 53616 Unique aggregates announced from the RIPE address blocks: 37169 RIPE Region origin ASes present in the Internet Routing Table: 4438 RIPE Prefixes per ASN: 12.08 RIPE Region origin ASes announcing only one prefix: 1900 RIPE Region transit ASes present in the Internet Routing Table: 694 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1892 Number of RIPE addresses announced to Internet: 281291728 Equivalent to 16 /8s, 196 /16s and 43 /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: 59271 Total LACNIC prefixes after maximum aggregation: 16974 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 57044 Unique aggregates announced from the LACNIC address blocks: 25119 LACNIC Region origin ASes present in the Internet Routing Table: 4650 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1653 LACNIC Region transit ASes present in the Internet Routing Table: 918 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: 3582 Number of LACNIC addresses announced to Internet: 108389216 Equivalent to 6 /8s, 117 /16s and 227 /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: 9870 Total AfriNIC prefixes after maximum aggregation: 2087 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 15502 Unique aggregates announced from the AfriNIC address blocks: 6553 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 55.56 AfriNIC Region origin ASes announcing only one prefix: 102 AfriNIC Region transit ASes present in the Internet Routing Table: 75 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: 147 Number of AfriNIC addresses announced to Internet: 45609216 Equivalent to 2 /8s, 183 /16s and 241 /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 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2373 149 477 LCS-AS-AP LARUS Limited, HK 56041 1802 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1698 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 707 1210 159 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 14455 41234 5557 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2368 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1649 1348 758 DNIC-ASBLK-00306-00371 - United States De 209 1631 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1472 737 684 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 4833 298 71 ALJAWWALSTC-AS, SA 25019 1275 1335 141 SAUDINETSTC-AS, SA 20940 1266 98 1026 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 891 1841 19 TE-AS TE-AS, EG 212238 731 52 644 CDNEXT, GB 8376 664 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 545 537 59 MOBILY-AS Etihad Etisalat Company Mobily, 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 7593 2031 822 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1234 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 688 43 204 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 1532 524 27 RAYA-AS, EG 37069 1088 1100 11 MOBINIL, EG 24863 842 389 16 LINKdotNET-AS, EG 36914 554 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 423 872 260 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 14455 41234 5557 AMAZON-02 - Amazon.com, Inc., US 9808 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7593 2031 822 UNINET, MX 39891 4833 298 71 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 3141 54728 2392 DNIC-AS-00749 - United States Department 17561 2373 149 477 LCS-AS-AP LARUS Limited, HK 36352 2368 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 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 13543 13423 CHINAMOBILE-CN China Mobile Communications Grou 8151 7593 6771 UNINET, MX 39891 4833 4762 ALJAWWALSTC-AS, SA 22773 4777 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 17561 2373 1896 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 56041 1802 1723 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1698 1648 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 402287 UNALLOCATED 8.12.64.0/24 3356 LEVEL3 - Level 3 Parent 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 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 23.154.116.0/24 Origin: 402247 UNASSIGNED 23.154.116.0/24 Transit: 21738 ROZINT - Rozint, 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 /14:581 /15:1076 /16:7505 /17:3501 /18:4201 /19:7756 /20:13652 /21:16020 /22:28869 /23:30007 /24:176192 /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 4187 7593 UNINET, MX 39891 3647 4833 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2586 14455 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1028 2368 AS-COLOCROSSING - HostPapa, US 19901 1027 1472 BRIGHTSPEED - Brightspeed, US 209 949 1631 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 924 1512 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) ---------------------------------------------- 1:73 2:500 3:992 4:1 5:1153 6:183 7:5 8:620 9:7 11:172 12:852 13:586 14:122 15:400 16:142 17:3 18:908 20:368 21:4 22:188 23:2869 24:847 27:21 29:19 31:459 32:12 34:9 35:185 36:3334 37:623 38:2557 39:852 40:46 41:1077 42:21 43:217 44:25 45:4659 46:902 47:174 48:29 49:21 50:503 51:454 52:1105 54:272 55:1122 56:11 57:30 58:43 59:33 60:14 61:57 62:631 63:697 64:2214 65:964 66:2391 67:1112 68:488 69:1189 70:428 71:139 72:687 74:994 75:268 76:230 77:480 78:539 79:251 80:316 81:416 82:825 83:198 84:335 85:596 86:248 87:193 88:278 89:558 90:102 91:921 92:663 93:885 94:962 95:1286 96:274 97:44 98:385 99:281 100:21 101:24 102:410 103:1218 104:1637 105:155 107:1751 108:516 109:362 110:49 111:2752 112:1296 113:33 114:40 115:7 116:57 117:1616 118:65 119:92 120:2020 121:35 122:44 123:105 124:61 125:19 126:1 128:569 129:307 130:719 131:1274 132:568 133:217 134:503 135:132 136:722 137:599 138:1047 139:468 140:757 141:420 142:1539 143:846 144:508 145:194 146:677 147:508 148:1202 149:751 150:240 151:904 152:796 153:296 154:2310 155:992 156:2114 157:469 158:663 159:816 160:670 161:699 162:995 163:422 164:729 165:638 166:567 167:720 168:1499 169:205 170:1904 171:103 172:1399 173:802 174:269 175:88 176:621 177:1087 178:628 179:917 180:35 181:2628 182:30 183:1695 184:449 185:3278 186:3607 187:1862 188:1021 189:2112 190:6317 191:602 192:5145 193:1707 194:1092 195:927 196:700 197:683 198:2655 199:2467 200:4455 201:3676 202:1038 203:720 204:2160 205:1810 206:1507 207:1692 208:1618 209:2048 210:320 211:511 212:996 213:868 214:965 215:35 216:2443 217:536 218:659 219:18 220:28 221:537 222:29 223:1687 End of report