IPv4 R&E Routing Table Report 20:15 GMT Wed 11 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: 289710 Prefixes after maximum aggregation (per Origin AS): 118272 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147800 Number of IPv4 prefixes with a valid ROA: 148331 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141165 Total ASes present in the Internet Routing Table: 20420 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17526 Origin ASes announcing only one prefix: 7845 Transit ASes present in the Internet Routing Table: 2894 Transit-only ASes present in the Internet Routing Table: 728 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: 286 Number of instances of unregistered ASNs: 315 Number of 32-bit ASNs allocated by the RIRs: 48954 Number of 32-bit ASNs visible in the Routing Table: 8377 Prefixes from 32-bit ASNs in the Routing Table: 35178 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: 94 Number of addresses announced to Internet: 1622342597 Equivalent to 96 /8s, 178 /16s and 251 /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: 93121 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42516 Total APNIC prefixes after maximum aggregation: 8041 APNIC Deaggregation factor: 5.29 Prefixes being announced from the APNIC address blocks: 39015 Unique aggregates announced from the APNIC address blocks: 7776 APNIC Region origin ASes present in the Internet Routing Table: 1230 APNIC Prefixes per ASN: 31.72 APNIC Region origin ASes announcing only one prefix: 502 APNIC Region transit ASes present in the Internet Routing Table: 216 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: 599 Number of APNIC addresses announced to Internet: 169058668 Equivalent to 10 /8s, 19 /16s and 161 /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: 127681 Total ARIN prefixes after maximum aggregation: 65436 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124765 Unique aggregates announced from the ARIN address blocks: 70951 ARIN Region origin ASes present in the Internet Routing Table: 8973 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 3701 ARIN Region transit ASes present in the Internet Routing Table: 852 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2148 Number of ARIN addresses announced to Internet: 1018061353 Equivalent to 60 /8s, 174 /16s and 98 /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: 51214 Total RIPE prefixes after maximum aggregation: 25741 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54295 Unique aggregates announced from the RIPE address blocks: 37643 RIPE Region origin ASes present in the Internet Routing Table: 4463 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1900 RIPE Region transit ASes present in the Internet Routing Table: 700 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: 1908 Number of RIPE addresses announced to Internet: 282198480 Equivalent to 16 /8s, 210 /16s and 1 /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: 58007 Total LACNIC prefixes after maximum aggregation: 16763 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55830 Unique aggregates announced from the LACNIC address blocks: 24564 LACNIC Region origin ASes present in the Internet Routing Table: 4629 LACNIC Prefixes per ASN: 12.06 LACNIC Region origin ASes announcing only one prefix: 1639 LACNIC Region transit ASes present in the Internet Routing Table: 919 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: 3568 Number of LACNIC addresses announced to Internet: 107443552 Equivalent to 6 /8s, 103 /16s and 117 /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: 10006 Total AfriNIC prefixes after maximum aggregation: 2092 AfriNIC Deaggregation factor: 4.78 Prefixes being announced from the AfriNIC address blocks: 15711 Unique aggregates announced from the AfriNIC address blocks: 6781 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 55.91 AfriNIC Region origin ASes announcing only one prefix: 103 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 154 Number of AfriNIC addresses announced to Internet: 45506560 Equivalent to 2 /8s, 182 /16s and 96 /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 2384 150 485 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 14465 41233 5544 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 2370 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1634 1332 742 DNIC-ASBLK-00306-00371 - United States De 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1474 737 685 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1307 100 1053 AKAMAI-ASN1, NL 25019 1274 1335 143 SAUDINETSTC-AS, SA 34984 983 145 731 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 894 1841 19 TE-AS TE-AS, EG 212238 730 52 643 CDNEXT, GB 8376 665 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 527 98 446 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 6966 1852 782 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1511 211 1126 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 963 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 688 43 203 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 843 389 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 426 881 261 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 14465 41233 5544 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6966 1852 782 UNINET, MX 39891 4969 306 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 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2384 150 485 LCS-AS-AP LARUS Limited, HK 36352 2370 194 1093 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 6966 6184 UNINET, MX 39891 4969 4897 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 2384 1899 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 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 /11:55 /12:159 /13:217 /14:581 /15:1076 /16:7511 /17:3507 /18:4201 /19:7685 /20:13595 /21:16128 /22:28863 /23:29973 /24:175815 /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 3745 6966 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2586 14465 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 19901 1029 1474 BRIGHTSPEED - Brightspeed, US 36352 1029 2370 AS-COLOCROSSING - HostPapa, US 209 950 1633 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 923 1511 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 2:518 3:992 4:1 5:1155 6:183 7:5 8:619 9:7 11:172 12:854 13:595 14:129 15:400 16:142 17:3 18:909 20:344 21:4 22:188 23:2942 24:766 27:21 28:1 29:19 31:459 32:12 34:9 35:185 36:3353 37:623 38:2455 39:852 40:46 41:1078 42:22 43:217 44:25 45:4633 46:905 47:173 48:29 49:21 50:503 51:519 52:1108 54:273 55:1115 56:11 57:30 58:45 59:33 60:14 61:49 62:635 63:700 64:2212 65:970 66:2380 67:1113 68:490 69:1193 70:427 71:150 72:702 74:992 75:271 76:232 77:477 78:552 79:251 80:328 81:417 82:831 83:196 84:335 85:600 86:250 87:196 88:279 89:567 90:102 91:925 92:664 93:878 94:964 95:1289 96:282 97:44 98:386 99:284 100:21 101:24 102:419 103:1240 104:1641 105:214 107:1757 108:499 109:365 110:51 111:2751 112:1296 113:33 114:37 115:7 116:57 117:1615 118:65 119:89 120:2020 121:35 122:43 123:107 124:61 125:23 126:1 128:571 129:421 130:724 131:1228 132:562 133:217 134:503 135:132 136:719 137:600 138:1037 139:471 140:757 141:421 142:1493 143:839 144:509 145:204 146:674 147:507 148:1015 149:749 150:235 151:914 152:792 153:294 154:2355 155:1005 156:2123 157:469 158:672 159:803 160:681 161:705 162:1002 163:423 164:729 165:637 166:567 167:722 168:1486 169:205 170:1907 171:103 172:1387 173:782 174:271 175:90 176:623 177:1068 178:631 179:910 180:36 181:2632 182:27 183:1694 184:443 185:3309 186:3560 187:1693 188:1039 189:1970 190:6278 191:602 192:5092 193:1728 194:1103 195:912 196:707 197:689 198:2658 199:2464 200:4477 201:3594 202:1029 203:725 204:2169 205:1799 206:1504 207:1703 208:1624 209:2062 210:320 211:512 212:1018 213:868 214:963 215:35 216:2459 217:539 218:659 219:18 220:28 221:537 222:30 223:1690 End of report