IPv4 R&E Routing Table Report 20:15 GMT Sun 15 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: 289877 Prefixes after maximum aggregation (per Origin AS): 117941 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147414 Number of IPv4 prefixes with a valid ROA: 148548 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141115 Total ASes present in the Internet Routing Table: 20412 Prefixes per ASN: 14.20 Origin-only ASes present in the Internet Routing Table: 17519 Origin ASes announcing only one prefix: 7846 Transit ASes present in the Internet Routing Table: 2893 Transit-only ASes present in the Internet Routing Table: 722 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: 275 Number of instances of unregistered ASNs: 304 Number of 32-bit ASNs allocated by the RIRs: 48978 Number of 32-bit ASNs visible in the Routing Table: 8402 Prefixes from 32-bit ASNs in the Routing Table: 35191 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: 87 Number of addresses announced to Internet: 1621740453 Equivalent to 96 /8s, 169 /16s and 203 /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: 93479 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42496 Total APNIC prefixes after maximum aggregation: 8017 APNIC Deaggregation factor: 5.30 Prefixes being announced from the APNIC address blocks: 38927 Unique aggregates announced from the APNIC address blocks: 7725 APNIC Region origin ASes present in the Internet Routing Table: 1226 APNIC Prefixes per ASN: 31.75 APNIC Region origin ASes announcing only one prefix: 499 APNIC Region transit ASes present in the Internet Routing Table: 213 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 601 Number of APNIC addresses announced to Internet: 168830060 Equivalent to 10 /8s, 16 /16s and 36 /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: 127941 Total ARIN prefixes after maximum aggregation: 65357 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125085 Unique aggregates announced from the ARIN address blocks: 70873 ARIN Region origin ASes present in the Internet Routing Table: 8958 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3687 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2155 Number of ARIN addresses announced to Internet: 1017805321 Equivalent to 60 /8s, 170 /16s and 122 /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: 50536 Total RIPE prefixes after maximum aggregation: 25330 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 53680 Unique aggregates announced from the RIPE address blocks: 37158 RIPE Region origin ASes present in the Internet Routing Table: 4442 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: 703 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: 1895 Number of RIPE addresses announced to Internet: 281105360 Equivalent to 16 /8s, 193 /16s and 83 /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: 59039 Total LACNIC prefixes after maximum aggregation: 16931 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 56787 Unique aggregates announced from the LACNIC address blocks: 24942 LACNIC Region origin ASes present in the Internet Routing Table: 4667 LACNIC Prefixes per ASN: 12.17 LACNIC Region origin ASes announcing only one prefix: 1655 LACNIC Region transit ASes present in the Internet Routing Table: 931 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: 3602 Number of LACNIC addresses announced to Internet: 108359008 Equivalent to 6 /8s, 117 /16s and 109 /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: 9590 Total AfriNIC prefixes after maximum aggregation: 2109 AfriNIC Deaggregation factor: 4.55 Prefixes being announced from the AfriNIC address blocks: 15311 Unique aggregates announced from the AfriNIC address blocks: 6638 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 54.29 AfriNIC Region origin ASes announcing only one prefix: 105 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: 149 Number of AfriNIC addresses announced to Internet: 45566976 Equivalent to 2 /8s, 183 /16s and 76 /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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2432 153 500 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 14440 41217 5546 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 2372 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1646 1348 754 DNIC-ASBLK-00306-00371 - United States De 209 1630 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1473 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 4901 302 73 ALJAWWALSTC-AS, SA 25019 1273 1335 141 SAUDINETSTC-AS, SA 20940 1266 98 1026 AKAMAI-ASN1, NL 34984 983 145 731 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 897 1841 19 TE-AS TE-AS, EG 212238 718 52 633 CDNEXT, GB 8376 669 54 30 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 528 98 447 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 7300 1952 828 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1511 211 1126 Telmex Colombia S.A., CO 11664 1452 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 962 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 691 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 1530 524 27 RAYA-AS, EG 24863 848 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36903 552 246 366 MT-MPLS, MA 36914 550 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 423 872 260 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 14440 41217 5546 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7300 1952 828 UNINET, MX 39891 4901 302 73 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 2432 153 500 LCS-AS-AP LARUS Limited, HK 36352 2372 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 7300 6472 UNINET, MX 39891 4901 4828 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 2432 1932 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 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 /15:1074 /16:7504 /17:3496 /18:4195 /19:7750 /20:13310 /21:15972 /22:28898 /23:30038 /24:176285 /25:65 /26:82 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4033 7300 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2575 14440 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1141 1452 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1032 2372 AS-COLOCROSSING - HostPapa, US 19901 1028 1473 BRIGHTSPEED - Brightspeed, US 209 948 1630 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 2:498 3:1000 4:1 5:1164 6:183 7:5 8:618 9:7 11:172 12:858 13:589 14:121 15:400 16:142 17:3 18:905 20:368 21:4 22:188 23:2923 24:847 27:21 28:1 29:19 31:460 32:12 34:9 35:185 36:3331 37:630 38:2563 39:852 40:46 41:1071 42:21 43:218 44:25 45:4652 46:906 47:174 48:29 49:21 50:505 51:454 52:1105 54:273 55:1108 56:11 57:30 58:43 59:33 60:14 61:57 62:630 63:697 64:2212 65:967 66:2392 67:1105 68:488 69:1191 70:427 71:139 72:698 74:992 75:267 76:236 77:477 78:539 79:247 80:316 81:417 82:826 83:199 84:333 85:599 86:241 87:191 88:279 89:554 90:102 91:921 92:664 93:887 94:965 95:1288 96:273 97:44 98:385 99:281 100:21 101:24 102:421 103:1224 104:1641 105:155 107:1756 108:513 109:365 110:49 111:2753 112:1296 113:33 114:38 115:7 116:58 117:1614 118:65 119:90 120:2020 121:35 122:44 123:107 124:61 125:23 126:1 128:569 129:371 130:714 131:1269 132:560 133:217 134:503 135:134 136:724 137:601 138:1055 139:467 140:759 141:419 142:1539 143:848 144:505 145:193 146:674 147:508 148:1013 149:748 150:238 151:905 152:796 153:296 154:2321 155:997 156:2186 157:470 158:650 159:815 160:678 161:699 162:992 163:422 164:730 165:643 166:567 167:721 168:1507 169:205 170:1900 171:106 172:1399 173:798 174:269 175:88 176:621 177:1125 178:627 179:945 180:35 181:2637 182:27 183:1695 184:448 185:3294 186:3601 187:1869 188:1029 189:2024 190:6311 191:603 192:5159 193:1704 194:1092 195:932 196:699 197:685 198:2651 199:2469 200:4452 201:3685 202:1035 203:723 204:2174 205:1819 206:1506 207:1690 208:1620 209:2049 210:320 211:511 212:994 213:867 214:965 215:35 216:2446 217:536 218:659 219:18 220:28 221:537 222:29 223:1687 End of report