IPv4 R&E Routing Table Report 20:15 GMT Tue 14 Apr, 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: 290581 Prefixes after maximum aggregation (per Origin AS): 118428 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147966 Number of IPv4 prefixes with a valid ROA: 149993 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140377 Total ASes present in the Internet Routing Table: 20291 Prefixes per ASN: 14.32 Origin-only ASes present in the Internet Routing Table: 17417 Origin ASes announcing only one prefix: 7842 Transit ASes present in the Internet Routing Table: 2874 Transit-only ASes present in the Internet Routing Table: 716 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 213 Number of instances of unregistered ASNs: 242 Number of 32-bit ASNs allocated by the RIRs: 49329 Number of 32-bit ASNs visible in the Routing Table: 8276 Prefixes from 32-bit ASNs in the Routing Table: 34966 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 100 Number of addresses announced to Internet: 1619996965 Equivalent to 96 /8s, 143 /16s and 49 /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: 94390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42901 Total APNIC prefixes after maximum aggregation: 7962 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39232 Unique aggregates announced from the APNIC address blocks: 7724 APNIC Region origin ASes present in the Internet Routing Table: 1227 APNIC Prefixes per ASN: 31.97 APNIC Region origin ASes announcing only one prefix: 495 APNIC Region transit ASes present in the Internet Routing Table: 219 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 607 Number of APNIC addresses announced to Internet: 168737132 Equivalent to 10 /8s, 14 /16s and 185 /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: 128178 Total ARIN prefixes after maximum aggregation: 65553 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125579 Unique aggregates announced from the ARIN address blocks: 71378 ARIN Region origin ASes present in the Internet Routing Table: 8942 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 3713 ARIN Region transit ASes present in the Internet Routing Table: 838 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: 2156 Number of ARIN addresses announced to Internet: 1017986089 Equivalent to 60 /8s, 173 /16s and 60 /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: 52277 Total RIPE prefixes after maximum aggregation: 25747 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 55421 Unique aggregates announced from the RIPE address blocks: 37573 RIPE Region origin ASes present in the Internet Routing Table: 4552 RIPE Prefixes per ASN: 12.18 RIPE Region origin ASes announcing only one prefix: 1944 RIPE Region transit ASes present in the Internet Routing Table: 712 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1949 Number of RIPE addresses announced to Internet: 283108816 Equivalent to 16 /8s, 223 /16s and 229 /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: 57324 Total LACNIC prefixes after maximum aggregation: 16529 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 54863 Unique aggregates announced from the LACNIC address blocks: 24038 LACNIC Region origin ASes present in the Internet Routing Table: 4458 LACNIC Prefixes per ASN: 12.31 LACNIC Region origin ASes announcing only one prefix: 1574 LACNIC Region transit ASes present in the Internet Routing Table: 911 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: 3416 Number of LACNIC addresses announced to Internet: 106474432 Equivalent to 6 /8s, 88 /16s and 171 /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: 9688 Total AfriNIC prefixes after maximum aggregation: 2469 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 15386 Unique aggregates announced from the AfriNIC address blocks: 7174 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 55.15 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 148 Number of AfriNIC addresses announced to Internet: 43614208 Equivalent to 2 /8s, 153 /16s and 128 /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 13643 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2576 162 440 LCS-AS-AP LARUS Limited, HK 56041 1810 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 811 1226 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14666 41275 5668 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2385 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1583 1305 726 DNIC-ASBLK-00306-00371 - United States De 19901 1462 728 676 BRIGHTSPEED - Brightspeed, US 20057 1458 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1433 1335 142 SAUDINETSTC-AS, SA 20940 1261 98 1027 AKAMAI-ASN1, NL 34984 1074 144 745 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 672 53 29 UNASSIGNED 35819 646 627 82 MOBILY-AS Etihad Etisalat Company Mobily, 212238 627 45 557 CDNEXT, GB 51167 565 113 248 CONTABO, DE 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 6832 1893 820 UNINET, MX 11830 1938 369 65 Instituto Costarricense de Electricidad y 10620 1520 208 1129 Telmex Colombia S.A., CO 11664 1434 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1245 371 22 INTEGRATEL PERU S.A.A., PE 26615 1066 2391 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 841 140 44 ENTEL CHILE S.A., CL 12252 667 164 24 America Movil Peru S.A.C., PE 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 1534 552 27 RAYA-AS, EG 24863 806 130 404 LINKdotNET-AS, EG 37069 767 1100 11 MOBINIL, EG 36935 756 521 39 Vodafone-, EG 36914 550 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 430 900 268 ETISALAT-MISR, EG 2018 373 318 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 14666 41275 5668 AMAZON-02 - Amazon.com, Inc., US 9808 13643 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6832 1893 820 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4780 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2576 162 440 LCS-AS-AP LARUS Limited, HK 36352 2385 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13643 13523 CHINAMOBILE-CN China Mobile Communications Grou 8151 6832 6012 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4780 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3420 3231 CMNET-JIANGSU-AP China Mobile communications co 17561 2576 2136 LCS-AS-AP LARUS Limited, HK 11830 1938 1873 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 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 26295 UNALLOCATED 12.110.210.0/23 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /13:218 /14:581 /15:1085 /16:7466 /17:3502 /18:4236 /19:7704 /20:13281 /21:16039 /22:28659 /23:30287 /24:176969 /25:63 /26:83 /27:48 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3790 6832 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3055 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2644 14666 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1938 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2385 AS-COLOCROSSING - HostPapa, US 19901 1020 1462 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 10620 949 1520 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 2:544 3:1003 4:1 5:1162 6:184 7:5 8:619 9:7 11:172 12:844 13:634 14:122 15:399 16:150 17:3 18:907 20:365 21:4 22:188 23:2889 24:786 27:19 28:1 29:19 31:460 32:13 34:9 35:177 36:3364 37:638 38:2594 39:883 40:52 41:1097 42:20 43:211 44:27 45:4432 46:902 47:186 48:65 49:23 50:484 51:527 52:1104 54:275 55:1113 56:11 57:25 58:25 59:30 60:14 61:54 62:633 63:690 64:2209 65:1003 66:2465 67:1216 68:483 69:1193 70:425 71:141 72:741 74:988 75:264 76:228 77:533 78:558 79:245 80:338 81:428 82:816 83:207 84:368 85:628 86:253 87:231 88:294 89:612 90:100 91:993 92:638 93:917 94:974 95:1266 96:270 97:44 98:471 99:290 100:23 101:26 102:380 103:1129 104:1632 105:147 106:7 107:1772 108:524 109:371 110:62 111:2802 112:1321 113:34 114:32 115:24 116:54 117:1664 118:58 119:113 120:2038 121:36 122:46 123:104 124:60 125:17 126:1 128:499 129:384 130:718 131:1259 132:548 133:214 134:528 135:133 136:717 137:596 138:1065 139:456 140:748 141:460 142:1533 143:878 144:505 145:167 146:670 147:504 148:1024 149:827 150:227 151:929 152:834 153:384 154:2667 155:983 156:1924 157:471 158:677 159:865 160:680 161:698 162:987 163:437 164:726 165:644 166:554 167:717 168:1447 169:164 170:1847 171:106 172:1391 173:826 174:354 175:126 176:757 177:1106 178:651 179:879 180:37 181:2608 182:29 183:1724 184:450 185:3357 186:3593 187:1698 188:1024 189:1865 190:6214 191:575 192:5106 193:1706 194:1103 195:946 196:675 197:698 198:2647 199:2476 200:4337 201:3587 202:1016 203:711 204:2181 205:1817 206:1481 207:1706 208:1611 209:2024 210:358 211:514 212:1125 213:909 214:958 215:36 216:2494 217:550 218:670 219:18 220:27 221:536 222:30 223:1707 End of report