IPv4 R&E Routing Table Report 20:15 GMT Mon 02 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: 290023 Prefixes after maximum aggregation (per Origin AS): 118150 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148384 Number of IPv4 prefixes with a valid ROA: 148422 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 141335 Total ASes present in the Internet Routing Table: 20373 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17509 Origin ASes announcing only one prefix: 7854 Transit ASes present in the Internet Routing Table: 2864 Transit-only ASes present in the Internet Routing Table: 729 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: 258 Number of instances of unregistered ASNs: 287 Number of 32-bit ASNs allocated by the RIRs: 48904 Number of 32-bit ASNs visible in the Routing Table: 8305 Prefixes from 32-bit ASNs in the Routing Table: 35058 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: 98 Number of addresses announced to Internet: 1624785093 Equivalent to 96 /8s, 216 /16s and 64 /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: 92999 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42861 Total APNIC prefixes after maximum aggregation: 8177 APNIC Deaggregation factor: 5.24 Prefixes being announced from the APNIC address blocks: 39276 Unique aggregates announced from the APNIC address blocks: 8058 APNIC Region origin ASes present in the Internet Routing Table: 1253 APNIC Prefixes per ASN: 31.35 APNIC Region origin ASes announcing only one prefix: 524 APNIC Region transit ASes present in the Internet Routing Table: 221 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 608 Number of APNIC addresses announced to Internet: 171254124 Equivalent to 10 /8s, 53 /16s and 33 /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: 128249 Total ARIN prefixes after maximum aggregation: 65302 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125435 Unique aggregates announced from the ARIN address blocks: 71844 ARIN Region origin ASes present in the Internet Routing Table: 8994 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3717 ARIN Region transit ASes present in the Internet Routing Table: 853 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: 2149 Number of ARIN addresses announced to Internet: 1018403625 Equivalent to 60 /8s, 179 /16s and 155 /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: 51222 Total RIPE prefixes after maximum aggregation: 25822 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54248 Unique aggregates announced from the RIPE address blocks: 37351 RIPE Region origin ASes present in the Internet Routing Table: 4454 RIPE Prefixes per ASN: 12.18 RIPE Region origin ASes announcing only one prefix: 1891 RIPE Region transit ASes present in the Internet Routing Table: 690 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: 1890 Number of RIPE addresses announced to Internet: 282175184 Equivalent to 16 /8s, 209 /16s and 166 /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: 57510 Total LACNIC prefixes after maximum aggregation: 16541 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55367 Unique aggregates announced from the LACNIC address blocks: 24280 LACNIC Region origin ASes present in the Internet Routing Table: 4538 LACNIC Prefixes per ASN: 12.20 LACNIC Region origin ASes announcing only one prefix: 1612 LACNIC Region transit ASes present in the Internet Routing Table: 887 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: 3502 Number of LACNIC addresses announced to Internet: 107199072 Equivalent to 6 /8s, 99 /16s and 186 /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: 9923 Total AfriNIC prefixes after maximum aggregation: 2112 AfriNIC Deaggregation factor: 4.70 Prefixes being announced from the AfriNIC address blocks: 15599 Unique aggregates announced from the AfriNIC address blocks: 6763 AfriNIC Region origin ASes present in the Internet Routing Table: 290 AfriNIC Prefixes per ASN: 53.79 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 156 Number of AfriNIC addresses announced to Internet: 45675264 Equivalent to 2 /8s, 184 /16s and 243 /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 2343 147 486 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 14397 41220 5560 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1897 257 216 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1611 1327 737 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 1281 1335 144 SAUDINETSTC-AS, SA 20940 1279 98 1037 AKAMAI-ASN1, NL 34984 989 145 733 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 889 1841 21 TE-AS TE-AS, EG 212238 733 53 646 CDNEXT, GB 8376 667 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 7273 1920 795 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 1250 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 1524 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 853 389 16 LINKdotNET-AS, EG 36914 553 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36992 409 882 257 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 14397 41220 5560 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7273 1920 795 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 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2581 212 1010 AS-COLOCROSSING - HostPapa, US 17561 2343 147 486 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 7273 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 2343 1857 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1897 1681 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 /16:7507 /17:3535 /18:4218 /19:7729 /20:13556 /21:15931 /22:28891 /23:29903 /24:176320 /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 4010 7273 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2591 14397 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 2:520 3:978 4:5 5:1200 6:179 7:5 8:625 9:7 11:172 12:851 13:587 14:127 15:397 16:152 17:3 18:911 20:341 21:4 22:188 23:2972 24:647 27:18 29:19 31:462 32:12 34:9 35:184 36:3350 37:622 38:2482 39:852 40:227 41:1059 42:22 43:215 44:26 45:4641 46:910 47:164 48:20 49:21 50:505 51:517 52:1082 54:260 55:1115 56:11 57:32 58:48 59:28 60:16 61:51 62:601 63:701 64:2228 65:977 66:2400 67:1108 68:493 69:1247 70:427 71:150 72:693 74:970 75:276 76:254 77:435 78:560 79:252 80:326 81:421 82:809 83:201 84:338 85:613 86:250 87:194 88:279 89:569 90:103 91:917 92:676 93:884 94:982 95:1267 96:305 97:44 98:388 99:280 100:21 101:26 102:437 103:1233 104:1745 105:159 107:1795 108:495 109:362 110:53 111:2800 112:1274 113:34 114:37 115:7 116:51 117:1620 118:57 119:85 120:2018 121:35 122:42 123:107 124:61 125:24 126:1 128:619 129:372 130:724 131:1230 132:553 133:218 134:497 135:133 136:721 137:607 138:1058 139:449 140:755 141:421 142:1437 143:850 144:503 145:214 146:671 147:504 148:1015 149:778 150:241 151:906 152:790 153:296 154:2429 155:1007 156:2076 157:469 158:661 159:820 160:687 161:713 162:984 163:416 164:734 165:635 166:571 167:707 168:1508 169:202 170:1889 171:104 172:1587 173:746 174:271 175:90 176:627 177:1007 178:629 179:918 180:37 181:2618 182:28 183:1697 184:444 185:3277 186:3514 187:1743 188:1041 189:2019 190:6310 191:577 192:5082 193:1733 194:1103 195:896 196:706 197:693 198:2697 199:2490 200:4440 201:3617 202:1025 203:741 204:2194 205:1827 206:1546 207:1702 208:1632 209:2035 210:344 211:519 212:1015 213:866 214:956 215:34 216:2459 217:543 218:655 219:19 220:26 221:537 222:28 223:1686 End of report