IPv4 R&E Routing Table Report 20:15 GMT Sun 01 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: 290270 Prefixes after maximum aggregation (per Origin AS): 118146 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148566 Number of IPv4 prefixes with a valid ROA: 148773 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141283 Total ASes present in the Internet Routing Table: 20377 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17526 Origin ASes announcing only one prefix: 7858 Transit ASes present in the Internet Routing Table: 2851 Transit-only ASes present in the Internet Routing Table: 724 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: 254 Number of instances of unregistered ASNs: 283 Number of 32-bit ASNs allocated by the RIRs: 48903 Number of 32-bit ASNs visible in the Routing Table: 8333 Prefixes from 32-bit ASNs in the Routing Table: 35323 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: 95 Number of addresses announced to Internet: 1624816837 Equivalent to 96 /8s, 216 /16s and 188 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 93335 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42839 Total APNIC prefixes after maximum aggregation: 8157 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39279 Unique aggregates announced from the APNIC address blocks: 8070 APNIC Region origin ASes present in the Internet Routing Table: 1251 APNIC Prefixes per ASN: 31.40 APNIC Region origin ASes announcing only one prefix: 521 APNIC Region transit ASes present in the Internet Routing Table: 222 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: 608 Number of APNIC addresses announced to Internet: 171223660 Equivalent to 10 /8s, 52 /16s and 170 /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: 128064 Total ARIN prefixes after maximum aggregation: 65245 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125222 Unique aggregates announced from the ARIN address blocks: 71772 ARIN Region origin ASes present in the Internet Routing Table: 8983 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 3711 ARIN Region transit ASes present in the Internet Routing Table: 852 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: 2151 Number of ARIN addresses announced to Internet: 1018409769 Equivalent to 60 /8s, 179 /16s and 179 /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: 51247 Total RIPE prefixes after maximum aggregation: 25817 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54312 Unique aggregates announced from the RIPE address blocks: 37352 RIPE Region origin ASes present in the Internet Routing Table: 4456 RIPE Prefixes per ASN: 12.19 RIPE Region origin ASes announcing only one prefix: 1899 RIPE Region transit ASes present in the Internet Routing Table: 685 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: 1892 Number of RIPE addresses announced to Internet: 282181840 Equivalent to 16 /8s, 209 /16s and 192 /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: 58021 Total LACNIC prefixes after maximum aggregation: 16652 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55849 Unique aggregates announced from the LACNIC address blocks: 24582 LACNIC Region origin ASes present in the Internet Routing Table: 4568 LACNIC Prefixes per ASN: 12.23 LACNIC Region origin ASes announcing only one prefix: 1622 LACNIC Region transit ASes present in the Internet Routing Table: 886 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: 3533 Number of LACNIC addresses announced to Internet: 107402080 Equivalent to 6 /8s, 102 /16s and 211 /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: 9845 Total AfriNIC prefixes after maximum aggregation: 2080 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 15513 Unique aggregates announced from the AfriNIC address blocks: 6705 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 55.21 AfriNIC Region origin ASes announcing only one prefix: 105 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: 149 Number of AfriNIC addresses announced to Internet: 45522432 Equivalent to 2 /8s, 182 /16s and 158 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 2348 148 488 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 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 712 1210 158 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 14423 41222 5559 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1898 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1606 1332 736 DNIC-ASBLK-00306-00371 - United States De 19901 1475 737 685 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 4969 306 72 ALJAWWALSTC-AS, SA 25019 1282 1335 144 SAUDINETSTC-AS, SA 20940 1279 98 1037 AKAMAI-ASN1, NL 34984 988 145 732 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 883 1841 21 TE-AS TE-AS, EG 212238 733 53 646 CDNEXT, GB 8376 666 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 542 541 85 MOBILY-AS Etihad Etisalat Company Mobily, 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 7274 1920 796 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1440 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1249 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 951 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 686 43 203 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 1522 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 856 389 16 LINKdotNET-AS, EG 36914 551 82 3 KENET-AS, KE 36935 538 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36992 383 868 250 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 14423 41222 5559 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7274 1920 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4781 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54728 2394 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 17561 2348 148 488 LCS-AS-AP LARUS Limited, HK 6167 2006 4258 558 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 7274 6478 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4781 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2348 1860 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1898 1684 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 1666 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 /14:579 /15:1077 /16:7504 /17:3533 /18:4206 /19:7730 /20:13547 /21:15925 /22:28883 /23:30097 /24:176412 /25:67 /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 4011 7274 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2614 14423 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1440 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1093 2581 AS-COLOCROSSING - HostPapa, US 19901 1031 1475 BRIGHTSPEED - Brightspeed, US 209 950 1633 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 934 1523 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 2:521 3:979 4:5 5:1200 6:179 7:5 8:626 9:7 11:172 12:854 13:587 14:127 15:397 16:152 17:3 18:915 20:341 21:4 22:188 23:2967 24:655 27:18 29:19 31:461 32:12 34:9 35:183 36:3350 37:618 38:2463 39:852 40:227 41:1054 42:22 43:216 44:26 45:4678 46:915 47:164 48:20 49:22 50:504 51:517 52:1083 54:260 55:1018 56:11 57:32 58:48 59:28 60:16 61:51 62:602 63:701 64:2228 65:980 66:2387 67:1108 68:492 69:1246 70:427 71:150 72:695 74:968 75:277 76:231 77:434 78:560 79:252 80:326 81:421 82:817 83:204 84:339 85:617 86:250 87:192 88:278 89:575 90:103 91:922 92:688 93:883 94:983 95:1269 96:289 97:44 98:388 99:280 100:21 101:27 102:426 103:1249 104:1744 105:159 107:1807 108:497 109:362 110:52 111:2799 112:1274 113:34 114:36 115:7 116:52 117:1620 118:58 119:83 120:2018 121:34 122:41 123:107 124:65 125:24 126:1 128:619 129:372 130:719 131:1245 132:555 133:218 134:495 135:133 136:722 137:608 138:1056 139:450 140:754 141:421 142:1441 143:850 144:504 145:214 146:671 147:501 148:1013 149:767 150:241 151:906 152:789 153:295 154:2428 155:1006 156:2074 157:469 158:675 159:819 160:687 161:713 162:982 163:413 164:733 165:628 166:570 167:706 168:1508 169:202 170:1889 171:104 172:1589 173:746 174:271 175:90 176:627 177:1047 178:637 179:923 180:37 181:2697 182:28 183:1697 184:445 185:3275 186:3513 187:1768 188:1043 189:2032 190:6346 191:577 192:5099 193:1731 194:1099 195:892 196:690 197:684 198:2698 199:2491 200:4449 201:3623 202:1009 203:741 204:2184 205:1826 206:1525 207:1694 208:1630 209:2022 210:343 211:519 212:1009 213:866 214:983 215:39 216:2452 217:555 218:655 219:18 220:26 221:537 222:28 223:1686 End of report