IPv4 R&E Routing Table Report 20:15 GMT Fri 20 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: 288645 Prefixes after maximum aggregation (per Origin AS): 117145 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146463 Number of IPv4 prefixes with a valid ROA: 147556 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140875 Total ASes present in the Internet Routing Table: 20311 Prefixes per ASN: 14.21 Origin-only ASes present in the Internet Routing Table: 17426 Origin ASes announcing only one prefix: 7835 Transit ASes present in the Internet Routing Table: 2885 Transit-only ASes present in the Internet Routing Table: 732 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 239 Number of instances of unregistered ASNs: 268 Number of 32-bit ASNs allocated by the RIRs: 49032 Number of 32-bit ASNs visible in the Routing Table: 8309 Prefixes from 32-bit ASNs in the Routing Table: 34728 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: 90 Number of addresses announced to Internet: 1621580933 Equivalent to 96 /8s, 167 /16s and 92 /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: 92830 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42497 Total APNIC prefixes after maximum aggregation: 8021 APNIC Deaggregation factor: 5.30 Prefixes being announced from the APNIC address blocks: 39154 Unique aggregates announced from the APNIC address blocks: 7822 APNIC Region origin ASes present in the Internet Routing Table: 1266 APNIC Prefixes per ASN: 30.93 APNIC Region origin ASes announcing only one prefix: 524 APNIC Region transit ASes present in the Internet Routing Table: 220 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: 621 Number of APNIC addresses announced to Internet: 168866412 Equivalent to 10 /8s, 16 /16s and 178 /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: 128149 Total ARIN prefixes after maximum aggregation: 65106 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125189 Unique aggregates announced from the ARIN address blocks: 70755 ARIN Region origin ASes present in the Internet Routing Table: 8960 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 3691 ARIN Region transit ASes present in the Internet Routing Table: 846 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: 2168 Number of ARIN addresses announced to Internet: 1017795625 Equivalent to 60 /8s, 170 /16s and 84 /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: 50689 Total RIPE prefixes after maximum aggregation: 25226 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 53710 Unique aggregates announced from the RIPE address blocks: 37142 RIPE Region origin ASes present in the Internet Routing Table: 4466 RIPE Prefixes per ASN: 12.03 RIPE Region origin ASes announcing only one prefix: 1916 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1920 Number of RIPE addresses announced to Internet: 281662800 Equivalent to 16 /8s, 201 /16s and 213 /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: 57520 Total LACNIC prefixes after maximum aggregation: 16479 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55242 Unique aggregates announced from the LACNIC address blocks: 24213 LACNIC Region origin ASes present in the Internet Routing Table: 4481 LACNIC Prefixes per ASN: 12.33 LACNIC Region origin ASes announcing only one prefix: 1592 LACNIC Region transit ASes present in the Internet Routing Table: 900 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: 3443 Number of LACNIC addresses announced to Internet: 107494048 Equivalent to 6 /8s, 104 /16s and 58 /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: 9551 Total AfriNIC prefixes after maximum aggregation: 2116 AfriNIC Deaggregation factor: 4.51 Prefixes being announced from the AfriNIC address blocks: 15260 Unique aggregates announced from the AfriNIC address blocks: 6450 AfriNIC Region origin ASes present in the Internet Routing Table: 291 AfriNIC Prefixes per ASN: 52.44 AfriNIC Region origin ASes announcing only one prefix: 112 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: 157 Number of AfriNIC addresses announced to Internet: 45626112 Equivalent to 2 /8s, 184 /16s and 51 /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 13572 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2369 149 476 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1712 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1063 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 919 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 708 1210 160 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 14513 41221 5580 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2520 207 990 AS-COLOCROSSING - HostPapa, US 6167 2047 4263 582 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1629 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1623 1336 744 DNIC-ASBLK-00306-00371 - United States De 19901 1475 739 684 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 4901 302 73 ALJAWWALSTC-AS, SA 25019 1285 1335 141 SAUDINETSTC-AS, SA 20940 1255 97 1017 AKAMAI-ASN1, NL 34984 983 145 731 TELLCOM-AS, TR 8452 923 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 668 54 30 Communications, JO 212238 593 42 527 CDNEXT, GB 51167 565 113 248 CONTABO, DE 5511 542 99 461 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 7329 1916 797 UNINET, MX 11830 1914 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1449 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 967 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 688 43 207 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 1531 524 27 RAYA-AS, EG 24863 841 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36914 549 82 3 KENET-AS, KE 36935 540 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 391 864 253 ETISALAT-MISR, EG 2018 375 318 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 14513 41221 5580 AMAZON-02 - Amazon.com, Inc., US 9808 13572 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7329 1916 797 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2520 207 990 AS-COLOCROSSING - HostPapa, US 17561 2369 149 476 LCS-AS-AP LARUS Limited, HK 6167 2047 4263 582 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 13572 13452 CHINAMOBILE-CN China Mobile Communications Grou 8151 7329 6532 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4777 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2369 1893 LCS-AS-AP LARUS Limited, HK 11830 1914 1849 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1712 1662 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 /11:55 /12:159 /13:217 /14:582 /15:1073 /16:7486 /17:3507 /18:4195 /19:7697 /20:13306 /21:16044 /22:28731 /23:29931 /24:175319 /25:65 /26:81 /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 4061 7329 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2605 14513 AMAZON-02 - Amazon.com, Inc., US 11830 1627 1914 Instituto Costarricense de Electricidad y Telecom., CR 11664 1138 1449 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1076 2520 AS-COLOCROSSING - HostPapa, US 19901 1028 1475 BRIGHTSPEED - Brightspeed, US 209 947 1629 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) ---------------------------------------------- 1:74 2:515 3:1003 4:1 5:1148 6:184 7:5 8:621 9:7 11:172 12:855 13:601 14:126 15:400 16:143 17:3 18:911 20:366 21:4 22:188 23:2908 24:845 27:18 28:1 29:19 31:459 32:13 34:9 35:185 36:3335 37:613 38:2504 39:859 40:47 41:1095 42:21 43:214 44:25 45:4485 46:906 47:174 48:39 49:21 50:503 51:463 52:1102 54:272 55:1115 56:11 57:27 58:41 59:34 60:14 61:58 62:625 63:694 64:2206 65:998 66:2398 67:1113 68:488 69:1196 70:426 71:139 72:695 74:998 75:267 76:235 77:487 78:548 79:247 80:315 81:418 82:820 83:213 84:352 85:589 86:240 87:192 88:280 89:554 90:102 91:923 92:671 93:881 94:965 95:1294 96:274 97:44 98:382 99:284 100:22 101:29 102:416 103:1246 104:1608 105:154 107:1784 108:518 109:356 110:51 111:2789 112:1299 113:33 114:38 115:7 116:57 117:1633 118:65 119:119 120:2026 121:35 122:43 123:107 124:62 125:23 126:1 128:571 129:369 130:725 131:1264 132:557 133:217 134:503 135:134 136:707 137:602 138:1028 139:463 140:745 141:418 142:1520 143:847 144:503 145:181 146:668 147:500 148:1011 149:742 150:239 151:902 152:812 153:297 154:2321 155:989 156:2098 157:460 158:665 159:833 160:660 161:746 162:979 163:425 164:733 165:638 166:562 167:713 168:1471 169:207 170:1859 171:104 172:1389 173:811 174:270 175:87 176:627 177:1047 178:617 179:875 180:35 181:2583 182:31 183:1717 184:448 185:3235 186:3554 187:1749 188:1027 189:2000 190:6221 191:579 192:5158 193:1710 194:1091 195:909 196:654 197:680 198:2683 199:2484 200:4350 201:3581 202:1030 203:748 204:2185 205:1826 206:1504 207:1689 208:1619 209:2037 210:316 211:512 212:1004 213:879 214:971 215:35 216:2429 217:541 218:663 219:18 220:28 221:537 222:29 223:1693 End of report