IPv4 R&E Routing Table Report 20:15 GMT Sun 08 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: 290059 Prefixes after maximum aggregation (per Origin AS): 117905 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147197 Number of IPv4 prefixes with a valid ROA: 148674 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141171 Total ASes present in the Internet Routing Table: 20361 Prefixes per ASN: 14.25 Origin-only ASes present in the Internet Routing Table: 17499 Origin ASes announcing only one prefix: 7824 Transit ASes present in the Internet Routing Table: 2862 Transit-only ASes present in the Internet Routing Table: 723 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: 254 Number of instances of unregistered ASNs: 283 Number of 32-bit ASNs allocated by the RIRs: 48984 Number of 32-bit ASNs visible in the Routing Table: 8307 Prefixes from 32-bit ASNs in the Routing Table: 35258 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: 1625887173 Equivalent to 96 /8s, 233 /16s and 17 /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: 93407 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42595 Total APNIC prefixes after maximum aggregation: 8141 APNIC Deaggregation factor: 5.23 Prefixes being announced from the APNIC address blocks: 38989 Unique aggregates announced from the APNIC address blocks: 7867 APNIC Region origin ASes present in the Internet Routing Table: 1235 APNIC Prefixes per ASN: 31.57 APNIC Region origin ASes announcing only one prefix: 508 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: 601 Number of APNIC addresses announced to Internet: 168746348 Equivalent to 10 /8s, 14 /16s and 221 /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: 128406 Total ARIN prefixes after maximum aggregation: 65113 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125497 Unique aggregates announced from the ARIN address blocks: 70827 ARIN Region origin ASes present in the Internet Routing Table: 9007 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 3729 ARIN Region transit ASes present in the Internet Routing Table: 857 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: 2159 Number of ARIN addresses announced to Internet: 1022013993 Equivalent to 60 /8s, 234 /16s and 178 /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: 50876 Total RIPE prefixes after maximum aggregation: 25703 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 53994 Unique aggregates announced from the RIPE address blocks: 37222 RIPE Region origin ASes present in the Internet Routing Table: 4457 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1891 RIPE Region transit ASes present in the Internet Routing Table: 695 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: 1901 Number of RIPE addresses announced to Internet: 282013648 Equivalent to 16 /8s, 207 /16s and 47 /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: 58064 Total LACNIC prefixes after maximum aggregation: 16668 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55879 Unique aggregates announced from the LACNIC address blocks: 24409 LACNIC Region origin ASes present in the Internet Routing Table: 4544 LACNIC Prefixes per ASN: 12.30 LACNIC Region origin ASes announcing only one prefix: 1590 LACNIC Region transit ASes present in the Internet Routing Table: 888 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: 3496 Number of LACNIC addresses announced to Internet: 107446624 Equivalent to 6 /8s, 103 /16s and 129 /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: 9864 Total AfriNIC prefixes after maximum aggregation: 2087 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 15608 Unique aggregates announced from the AfriNIC address blocks: 6790 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 55.35 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 80 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: 45594112 Equivalent to 2 /8s, 183 /16s and 182 /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 2399 151 509 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 14473 41237 5567 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3100 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3141 54728 2392 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 1615 1343 739 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 4833 298 71 ALJAWWALSTC-AS, SA 25019 1272 1335 143 SAUDINETSTC-AS, SA 20940 1263 97 1026 AKAMAI-ASN1, NL 34984 983 145 731 TELLCOM-AS, TR 3215 900 4820 301 France Telecom - Orange, FR 8452 890 1841 19 TE-AS TE-AS, EG 212238 729 52 642 CDNEXT, GB 8376 669 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 530 98 449 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 7288 1924 796 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 555 82 3 KENET-AS, KE 36935 536 515 11 Vodafone-, EG 36903 507 235 347 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 14473 41237 5567 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7288 1924 796 UNINET, MX 39891 4833 298 71 ALJAWWALSTC-AS, SA 22773 4777 3100 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 2399 151 509 LCS-AS-AP LARUS Limited, HK 36352 2371 194 1094 AS-COLOCROSSING - HostPapa, US 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 7288 6492 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 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2399 1890 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 /16:7517 /17:3522 /18:4223 /19:7738 /20:13628 /21:16045 /22:29041 /23:30184 /24:175721 /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 4023 7288 UNINET, MX 39891 3647 4833 ALJAWWALSTC-AS, SA 22773 3049 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2596 14473 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 2:513 3:998 4:1 5:1159 6:182 7:5 8:619 9:7 11:172 12:856 13:596 14:129 15:398 16:152 17:3 18:912 20:342 21:4 22:188 23:2945 24:680 27:21 29:19 31:457 32:12 34:9 35:185 36:3349 37:620 38:2475 39:852 40:51 41:1070 42:22 43:216 44:26 45:4668 46:909 47:164 48:29 49:21 50:498 51:453 52:1091 54:272 55:1116 56:11 57:29 58:46 59:34 60:16 61:47 62:607 63:702 64:2225 65:972 66:2385 67:1113 68:493 69:1202 70:427 71:150 72:713 74:1016 75:272 76:233 77:447 78:554 79:250 80:327 81:415 82:817 83:203 84:336 85:604 86:254 87:194 88:278 89:591 90:102 91:921 92:669 93:875 94:984 95:1263 96:274 97:53 98:389 99:288 100:21 101:24 102:415 103:1233 104:1645 105:162 107:1760 108:503 109:365 110:51 111:2750 112:1296 113:34 114:38 115:7 116:57 117:1615 118:59 119:70 120:2020 121:35 122:42 123:107 124:63 125:23 126:1 128:605 129:309 130:723 131:1233 132:549 133:217 134:498 135:133 136:721 137:597 138:1057 139:465 140:760 141:420 142:1492 143:849 144:506 145:210 146:673 147:552 148:1010 149:747 150:240 151:908 152:793 153:294 154:2342 155:1008 156:2140 157:461 158:664 159:814 160:656 161:708 162:1025 163:422 164:736 165:627 166:571 167:723 168:1507 169:198 170:1908 171:103 172:1383 173:797 174:271 175:88 176:622 177:1068 178:629 179:912 180:36 181:2622 182:25 183:1694 184:447 185:3281 186:3540 187:1772 188:1035 189:2025 190:6296 191:579 192:5099 193:1721 194:1101 195:907 196:697 197:685 198:2669 199:2483 200:4432 201:3622 202:1015 203:726 204:2170 205:1805 206:1508 207:1704 208:1635 209:2057 210:320 211:512 212:1019 213:860 214:966 215:35 216:2465 217:543 218:654 219:18 220:28 221:537 222:30 223:1687 End of report