IPv4 R&E Routing Table Report 20:15 GMT Thu 16 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: 290167 Prefixes after maximum aggregation (per Origin AS): 118304 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147723 Number of IPv4 prefixes with a valid ROA: 149537 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 140417 Total ASes present in the Internet Routing Table: 20228 Prefixes per ASN: 14.34 Origin-only ASes present in the Internet Routing Table: 17379 Origin ASes announcing only one prefix: 7798 Transit ASes present in the Internet Routing Table: 2849 Transit-only ASes present in the Internet Routing Table: 699 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: 230 Number of instances of unregistered ASNs: 259 Number of 32-bit ASNs allocated by the RIRs: 49323 Number of 32-bit ASNs visible in the Routing Table: 8265 Prefixes from 32-bit ASNs in the Routing Table: 35029 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: 117 Number of addresses announced to Internet: 1620057637 Equivalent to 96 /8s, 144 /16s and 30 /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: 94067 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42643 Total APNIC prefixes after maximum aggregation: 7878 APNIC Deaggregation factor: 5.41 Prefixes being announced from the APNIC address blocks: 39138 Unique aggregates announced from the APNIC address blocks: 7648 APNIC Region origin ASes present in the Internet Routing Table: 1189 APNIC Prefixes per ASN: 32.92 APNIC Region origin ASes announcing only one prefix: 478 APNIC Region transit ASes present in the Internet Routing Table: 202 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: 571 Number of APNIC addresses announced to Internet: 168493676 Equivalent to 10 /8s, 11 /16s and 2 /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: 128330 Total ARIN prefixes after maximum aggregation: 65614 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125655 Unique aggregates announced from the ARIN address blocks: 71445 ARIN Region origin ASes present in the Internet Routing Table: 8918 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 3690 ARIN Region transit ASes present in the Internet Routing Table: 837 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: 2145 Number of ARIN addresses announced to Internet: 1017945129 Equivalent to 60 /8s, 172 /16s and 156 /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: 52142 Total RIPE prefixes after maximum aggregation: 25818 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55351 Unique aggregates announced from the RIPE address blocks: 37633 RIPE Region origin ASes present in the Internet Routing Table: 4535 RIPE Prefixes per ASN: 12.21 RIPE Region origin ASes announcing only one prefix: 1934 RIPE Region transit ASes present in the Internet Routing Table: 711 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: 283778512 Equivalent to 16 /8s, 234 /16s and 29 /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: 57235 Total LACNIC prefixes after maximum aggregation: 16404 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 54697 Unique aggregates announced from the LACNIC address blocks: 23929 LACNIC Region origin ASes present in the Internet Routing Table: 4492 LACNIC Prefixes per ASN: 12.18 LACNIC Region origin ASes announcing only one prefix: 1586 LACNIC Region transit ASes present in the Internet Routing Table: 901 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3452 Number of LACNIC addresses announced to Internet: 106133184 Equivalent to 6 /8s, 83 /16s and 118 /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: 9587 Total AfriNIC prefixes after maximum aggregation: 2416 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 15209 Unique aggregates announced from the AfriNIC address blocks: 6981 AfriNIC Region origin ASes present in the Internet Routing Table: 273 AfriNIC Prefixes per ASN: 55.71 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 76 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: 43629312 Equivalent to 2 /8s, 153 /16s and 187 /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 13639 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2451 154 423 LCS-AS-AP LARUS Limited, HK 56041 1816 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 928 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 806 1226 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 783 497 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 14720 41276 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4770 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2393 195 1104 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1624 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1584 1305 726 DNIC-ASBLK-00306-00371 - United States De 19901 1463 730 674 BRIGHTSPEED - Brightspeed, US 20057 1459 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1482 1334 138 SAUDINETSTC-AS, SA 20940 1269 98 1030 AKAMAI-ASN1, NL 34984 1074 144 746 TELLCOM-AS, TR 8452 929 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 666 53 30 UNASSIGNED 212238 628 45 558 CDNEXT, GB 35819 609 624 59 MOBILY-AS Etihad Etisalat Company Mobily, 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 6371 1751 791 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1434 277 32 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 1064 2391 99 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 679 43 240 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 1534 552 27 RAYA-AS, EG 24863 795 127 396 LINKdotNET-AS, EG 37069 771 1100 11 MOBINIL, EG 36935 738 519 28 Vodafone-, EG 36914 543 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 432 900 268 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 14720 41276 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13639 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6371 1751 791 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4770 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 2451 154 423 LCS-AS-AP LARUS Limited, HK 36352 2393 195 1104 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 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 13639 13519 CHINAMOBILE-CN China Mobile Communications Grou 8151 6371 5580 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4770 4409 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3423 3234 CMNET-JIANGSU-AP China Mobile communications co 17561 2451 2028 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1816 1737 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1715 1665 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 /16:7457 /17:3498 /18:4251 /19:7689 /20:13231 /21:16189 /22:28688 /23:30233 /24:176493 /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 39891 3628 4943 ALJAWWALSTC-AS, SA 8151 3422 6371 UNINET, MX 22773 3051 4770 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2642 14720 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2393 AS-COLOCROSSING - HostPapa, US 19901 1020 1463 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1624 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:552 3:1008 4:1 5:1172 6:184 7:5 8:621 9:7 11:172 12:843 13:637 14:121 15:399 16:160 17:3 18:909 20:351 21:4 22:188 23:2892 24:787 27:19 28:1 29:19 31:459 32:13 34:9 35:177 36:3373 37:637 38:2587 39:868 40:54 41:1072 42:20 43:215 44:26 45:4433 46:930 47:184 48:65 49:31 50:479 51:524 52:1106 54:278 55:1114 56:11 57:25 58:17 59:30 60:14 61:54 62:633 63:688 64:2228 65:1008 66:2470 67:1212 68:482 69:1196 70:420 71:142 72:737 74:992 75:264 76:219 77:532 78:568 79:250 80:339 81:419 82:804 83:207 84:369 85:630 86:245 87:232 88:284 89:614 90:118 91:931 92:644 93:931 94:972 95:1295 96:271 97:44 98:470 99:291 100:35 101:26 102:381 103:1107 104:1634 105:140 106:7 107:1775 108:526 109:368 110:62 111:2804 112:1323 113:34 114:32 115:9 116:54 117:1643 118:57 119:77 120:2037 121:36 122:47 123:104 124:59 125:17 126:1 128:501 129:384 130:718 131:1271 132:540 133:214 134:525 135:133 136:715 137:595 138:1064 139:456 140:747 141:454 142:1539 143:897 144:510 145:167 146:667 147:500 148:1038 149:767 150:225 151:930 152:831 153:384 154:2637 155:986 156:1810 157:425 158:677 159:874 160:684 161:698 162:984 163:432 164:727 165:638 166:553 167:723 168:1455 169:168 170:1855 171:106 172:1397 173:826 174:358 175:127 176:753 177:1138 178:651 179:892 180:39 181:2639 182:25 183:1722 184:455 185:3310 186:3620 187:1659 188:996 189:1731 190:6267 191:564 192:5101 193:1707 194:1110 195:939 196:673 197:681 198:2644 199:2472 200:4376 201:3482 202:1014 203:710 204:2194 205:1797 206:1493 207:1709 208:1615 209:2022 210:354 211:514 212:1113 213:888 214:958 215:36 216:2485 217:561 218:670 219:18 220:27 221:537 222:30 223:1712 End of report