IPv4 R&E Routing Table Report 20:15 GMT Thu 19 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: 288108 Prefixes after maximum aggregation (per Origin AS): 116939 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 145877 Number of IPv4 prefixes with a valid ROA: 147010 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140884 Total ASes present in the Internet Routing Table: 20287 Prefixes per ASN: 14.20 Origin-only ASes present in the Internet Routing Table: 17401 Origin ASes announcing only one prefix: 7813 Transit ASes present in the Internet Routing Table: 2886 Transit-only ASes present in the Internet Routing Table: 741 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: 234 Number of instances of unregistered ASNs: 263 Number of 32-bit ASNs allocated by the RIRs: 49024 Number of 32-bit ASNs visible in the Routing Table: 8288 Prefixes from 32-bit ASNs in the Routing Table: 34462 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: 91 Number of addresses announced to Internet: 1621198469 Equivalent to 96 /8s, 161 /16s and 134 /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: 92714 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42456 Total APNIC prefixes after maximum aggregation: 7994 APNIC Deaggregation factor: 5.31 Prefixes being announced from the APNIC address blocks: 39112 Unique aggregates announced from the APNIC address blocks: 7781 APNIC Region origin ASes present in the Internet Routing Table: 1255 APNIC Prefixes per ASN: 31.16 APNIC Region origin ASes announcing only one prefix: 514 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: 614 Number of APNIC addresses announced to Internet: 168879724 Equivalent to 10 /8s, 16 /16s and 230 /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: 127939 Total ARIN prefixes after maximum aggregation: 65190 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124934 Unique aggregates announced from the ARIN address blocks: 70619 ARIN Region origin ASes present in the Internet Routing Table: 8948 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3680 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: 2161 Number of ARIN addresses announced to Internet: 1017826089 Equivalent to 60 /8s, 170 /16s and 203 /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: 50113 Total RIPE prefixes after maximum aggregation: 24927 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 53298 Unique aggregates announced from the RIPE address blocks: 36785 RIPE Region origin ASes present in the Internet Routing Table: 4457 RIPE Prefixes per ASN: 11.96 RIPE Region origin ASes announcing only one prefix: 1921 RIPE Region transit ASes present in the Internet Routing Table: 707 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: 1911 Number of RIPE addresses announced to Internet: 281241424 Equivalent to 16 /8s, 195 /16s and 103 /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: 57819 Total LACNIC prefixes after maximum aggregation: 16523 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55514 Unique aggregates announced from the LACNIC address blocks: 24201 LACNIC Region origin ASes present in the Internet Routing Table: 4478 LACNIC Prefixes per ASN: 12.40 LACNIC Region origin ASes announcing only one prefix: 1586 LACNIC Region transit ASes present in the Internet Routing Table: 904 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: 3445 Number of LACNIC addresses announced to Internet: 107574688 Equivalent to 6 /8s, 105 /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: 9547 Total AfriNIC prefixes after maximum aggregation: 2111 AfriNIC Deaggregation factor: 4.52 Prefixes being announced from the AfriNIC address blocks: 15159 Unique aggregates announced from the AfriNIC address blocks: 6409 AfriNIC Region origin ASes present in the Internet Routing Table: 291 AfriNIC Prefixes per ASN: 52.09 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: 45536512 Equivalent to 2 /8s, 182 /16s and 213 /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 13573 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2380 150 478 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 704 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 14489 41220 5586 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1089 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 1628 1338 749 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 1271 1335 141 SAUDINETSTC-AS, SA 20940 1255 97 1017 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 903 4832 303 France Telecom - Orange, FR 8452 893 1841 19 TE-AS TE-AS, EG 8376 668 54 30 Jordan Data Communications, JO 212238 592 42 526 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 7321 1916 799 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1513 211 1128 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1341 770 214 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 966 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 689 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 842 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36914 559 82 3 KENET-AS, KE 36935 535 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 385 856 251 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 14489 41220 5586 AMAZON-02 - Amazon.com, Inc., US 9808 13573 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7321 1916 799 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4776 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 17561 2380 150 478 LCS-AS-AP LARUS Limited, HK 36352 2371 194 1089 AS-COLOCROSSING - HostPapa, US 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 13573 13453 CHINAMOBILE-CN China Mobile Communications Grou 8151 7321 6522 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4776 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2380 1902 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 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 /14:581 /15:1074 /16:7507 /17:3503 /18:4187 /19:7696 /20:13279 /21:16017 /22:28654 /23:29919 /24:174914 /25:66 /26:83 /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 4052 7321 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3047 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2600 14489 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 1029 2371 AS-COLOCROSSING - HostPapa, US 19901 1028 1475 BRIGHTSPEED - Brightspeed, US 209 947 1629 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 925 1513 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 2:501 3:1000 4:1 5:1138 6:184 7:5 8:621 9:7 11:172 12:849 13:598 14:119 15:400 16:143 17:3 18:910 20:366 21:4 22:188 23:2899 24:844 27:18 28:1 29:19 31:455 32:13 34:9 35:185 36:3335 37:605 38:2519 39:859 40:47 41:1094 42:21 43:217 44:25 45:4490 46:905 47:174 48:37 49:21 50:500 51:463 52:1101 54:270 55:1107 56:11 57:27 58:16 59:34 60:14 61:58 62:630 63:693 64:2204 65:995 66:2389 67:1101 68:488 69:1207 70:426 71:139 72:696 74:994 75:267 76:235 77:489 78:541 79:247 80:312 81:418 82:819 83:197 84:345 85:586 86:234 87:186 88:281 89:540 90:102 91:907 92:664 93:876 94:960 95:1295 96:270 97:44 98:381 99:281 100:22 101:29 102:410 103:1228 104:1607 105:154 107:1749 108:514 109:355 110:49 111:2789 112:1299 113:33 114:39 115:7 116:58 117:1633 118:65 119:95 120:2027 121:35 122:43 123:106 124:63 125:23 126:1 128:571 129:369 130:723 131:1259 132:549 133:217 134:503 135:134 136:705 137:602 138:1035 139:464 140:746 141:416 142:1520 143:849 144:504 145:182 146:665 147:502 148:1017 149:746 150:236 151:901 152:829 153:297 154:2316 155:990 156:2105 157:449 158:666 159:822 160:649 161:702 162:980 163:422 164:734 165:633 166:561 167:710 168:1475 169:206 170:1854 171:104 172:1369 173:812 174:269 175:86 176:617 177:1120 178:612 179:871 180:35 181:2586 182:32 183:1717 184:446 185:3215 186:3572 187:1775 188:1013 189:2010 190:6226 191:548 192:5131 193:1692 194:1092 195:907 196:667 197:687 198:2665 199:2485 200:4352 201:3625 202:1028 203:731 204:2181 205:1818 206:1484 207:1687 208:1618 209:2036 210:314 211:512 212:997 213:875 214:972 215:35 216:2422 217:538 218:663 219:18 220:28 221:537 222:27 223:1693 End of report