IPv4 R&E Routing Table Report 20:15 GMT Sat 14 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: 289788 Prefixes after maximum aggregation (per Origin AS): 117798 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147127 Number of IPv4 prefixes with a valid ROA: 148493 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141081 Total ASes present in the Internet Routing Table: 20405 Prefixes per ASN: 14.20 Origin-only ASes present in the Internet Routing Table: 17516 Origin ASes announcing only one prefix: 7854 Transit ASes present in the Internet Routing Table: 2889 Transit-only ASes present in the Internet Routing Table: 724 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: 285 Number of instances of unregistered ASNs: 314 Number of 32-bit ASNs allocated by the RIRs: 48956 Number of 32-bit ASNs visible in the Routing Table: 8397 Prefixes from 32-bit ASNs in the Routing Table: 35087 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: 88 Number of addresses announced to Internet: 1621124805 Equivalent to 96 /8s, 160 /16s and 102 /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: 93203 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42446 Total APNIC prefixes after maximum aggregation: 7992 APNIC Deaggregation factor: 5.31 Prefixes being announced from the APNIC address blocks: 38942 Unique aggregates announced from the APNIC address blocks: 7737 APNIC Region origin ASes present in the Internet Routing Table: 1228 APNIC Prefixes per ASN: 31.71 APNIC Region origin ASes announcing only one prefix: 499 APNIC Region transit ASes present in the Internet Routing Table: 215 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: 602 Number of APNIC addresses announced to Internet: 168768364 Equivalent to 10 /8s, 15 /16s and 51 /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: 127826 Total ARIN prefixes after maximum aggregation: 65348 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124982 Unique aggregates announced from the ARIN address blocks: 70813 ARIN Region origin ASes present in the Internet Routing Table: 8952 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3679 ARIN Region transit ASes present in the Internet Routing Table: 851 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: 2154 Number of ARIN addresses announced to Internet: 1017769769 Equivalent to 60 /8s, 169 /16s and 239 /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: 50509 Total RIPE prefixes after maximum aggregation: 25322 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 53675 Unique aggregates announced from the RIPE address blocks: 37159 RIPE Region origin ASes present in the Internet Routing Table: 4446 RIPE Prefixes per ASN: 12.07 RIPE Region origin ASes announcing only one prefix: 1905 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: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1896 Number of RIPE addresses announced to Internet: 281082576 Equivalent to 16 /8s, 192 /16s and 250 /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: 58684 Total LACNIC prefixes after maximum aggregation: 16852 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 56417 Unique aggregates announced from the LACNIC address blocks: 24783 LACNIC Region origin ASes present in the Internet Routing Table: 4661 LACNIC Prefixes per ASN: 12.10 LACNIC Region origin ASes announcing only one prefix: 1668 LACNIC Region transit ASes present in the Internet Routing Table: 923 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: 3598 Number of LACNIC addresses announced to Internet: 107896928 Equivalent to 6 /8s, 110 /16s and 96 /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: 10038 Total AfriNIC prefixes after maximum aggregation: 2085 AfriNIC Deaggregation factor: 4.81 Prefixes being announced from the AfriNIC address blocks: 15684 Unique aggregates announced from the AfriNIC address blocks: 6556 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 56.62 AfriNIC Region origin ASes announcing only one prefix: 103 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 147 Number of AfriNIC addresses announced to Internet: 45534976 Equivalent to 2 /8s, 182 /16s and 207 /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 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2393 150 479 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 14437 41217 5590 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 2368 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1650 1348 757 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 1274 1335 141 SAUDINETSTC-AS, SA 20940 1266 98 1026 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 891 1841 19 TE-AS TE-AS, EG 212238 718 52 633 CDNEXT, GB 8376 672 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 7304 1924 800 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 692 43 205 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 1566 556 28 RAYA-AS, EG 37069 1088 1100 11 MOBINIL, EG 24863 848 389 16 LINKdotNET-AS, EG 36935 678 515 14 Vodafone-, EG 36914 547 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 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 14437 41217 5590 AMAZON-02 - Amazon.com, Inc., US 9808 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7304 1924 800 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 2393 150 479 LCS-AS-AP LARUS Limited, HK 36352 2368 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 13543 13423 CHINAMOBILE-CN China Mobile Communications Grou 8151 7304 6504 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 2393 1914 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 /15:1076 /16:7509 /17:3494 /18:4193 /19:7702 /20:13630 /21:15994 /22:28887 /23:29974 /24:175973 /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 4038 7304 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2576 14437 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 19901 1028 1473 BRIGHTSPEED - Brightspeed, US 36352 1028 2368 AS-COLOCROSSING - HostPapa, 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) ---------------------------------------------- 1:73 2:498 3:998 4:1 5:1163 6:183 7:5 8:619 9:7 11:172 12:852 13:579 14:121 15:400 16:142 17:3 18:907 20:368 21:4 22:188 23:2921 24:846 27:21 28:1 29:19 31:455 32:12 34:9 35:185 36:3330 37:631 38:2559 39:852 40:46 41:1077 42:21 43:216 44:25 45:4646 46:906 47:174 48:29 49:21 50:506 51:454 52:1103 54:273 55:1131 56:11 57:30 58:43 59:33 60:14 61:57 62:630 63:698 64:2214 65:961 66:2396 67:1105 68:488 69:1191 70:428 71:139 72:692 74:994 75:267 76:232 77:476 78:540 79:247 80:316 81:417 82:832 83:198 84:333 85:599 86:238 87:193 88:279 89:555 90:102 91:925 92:665 93:891 94:962 95:1286 96:273 97:44 98:385 99:281 100:21 101:23 102:410 103:1230 104:1638 105:159 107:1752 108:514 109:366 110:49 111:2755 112:1296 113:33 114:39 115:7 116:58 117:1615 118:65 119:90 120:2020 121:35 122:44 123:107 124:61 125:23 126:1 128:568 129:370 130:717 131:1268 132:562 133:217 134:504 135:132 136:724 137:598 138:1048 139:467 140:758 141:419 142:1539 143:847 144:507 145:193 146:674 147:510 148:1013 149:749 150:236 151:903 152:795 153:296 154:2338 155:991 156:2104 157:470 158:649 159:817 160:670 161:699 162:991 163:421 164:729 165:639 166:567 167:720 168:1499 169:201 170:1892 171:103 172:1399 173:801 174:269 175:88 176:621 177:1077 178:627 179:913 180:35 181:2632 182:28 183:1695 184:448 185:3280 186:3599 187:1771 188:1029 189:2040 190:6317 191:603 192:5146 193:1706 194:1093 195:928 196:704 197:678 198:2652 199:2468 200:4476 201:3678 202:1037 203:723 204:2171 205:1810 206:1507 207:1690 208:1620 209:2048 210:320 211:511 212:995 213:868 214:959 215:35 216:2446 217:537 218:659 219:18 220:28 221:537 222:29 223:1687 End of report