IPv4 R&E Routing Table Report 20:15 GMT Thu 30 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: 292484 Prefixes after maximum aggregation (per Origin AS): 118742 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148942 Number of IPv4 prefixes with a valid ROA: 151824 Number of IPv4 prefixes with an invalid ROA: 217 Number of IPv4 prefixes with no ROA: 140443 Total ASes present in the Internet Routing Table: 20097 Prefixes per ASN: 14.55 Origin-only ASes present in the Internet Routing Table: 17275 Origin ASes announcing only one prefix: 7719 Transit ASes present in the Internet Routing Table: 2822 Transit-only ASes present in the Internet Routing Table: 689 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: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 218 Number of instances of unregistered ASNs: 247 Number of 32-bit ASNs allocated by the RIRs: 49561 Number of 32-bit ASNs visible in the Routing Table: 8238 Prefixes from 32-bit ASNs in the Routing Table: 35510 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: 90 Number of addresses announced to Internet: 1623293733 Equivalent to 96 /8s, 193 /16s and 127 /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: 95338 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42833 Total APNIC prefixes after maximum aggregation: 7910 APNIC Deaggregation factor: 5.42 Prefixes being announced from the APNIC address blocks: 39288 Unique aggregates announced from the APNIC address blocks: 7676 APNIC Region origin ASes present in the Internet Routing Table: 1184 APNIC Prefixes per ASN: 33.18 APNIC Region origin ASes announcing only one prefix: 465 APNIC Region transit ASes present in the Internet Routing Table: 196 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 569 Number of APNIC addresses announced to Internet: 168611180 Equivalent to 10 /8s, 12 /16s and 205 /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: 128862 Total ARIN prefixes after maximum aggregation: 65621 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126169 Unique aggregates announced from the ARIN address blocks: 71513 ARIN Region origin ASes present in the Internet Routing Table: 8921 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 3700 ARIN Region transit ASes present in the Internet Routing Table: 830 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: 2162 Number of ARIN addresses announced to Internet: 1019717673 Equivalent to 60 /8s, 199 /16s and 168 /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: 52540 Total RIPE prefixes after maximum aggregation: 26172 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55852 Unique aggregates announced from the RIPE address blocks: 38685 RIPE Region origin ASes present in the Internet Routing Table: 4475 RIPE Prefixes per ASN: 12.48 RIPE Region origin ASes announcing only one prefix: 1889 RIPE Region transit ASes present in the Internet Routing Table: 701 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: 1942 Number of RIPE addresses announced to Internet: 283254224 Equivalent to 16 /8s, 226 /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: 58362 Total LACNIC prefixes after maximum aggregation: 16482 LACNIC Deaggregation factor: 3.54 Prefixes being announced from the LACNIC address blocks: 55788 Unique aggregates announced from the LACNIC address blocks: 24168 LACNIC Region origin ASes present in the Internet Routing Table: 4441 LACNIC Prefixes per ASN: 12.56 LACNIC Region origin ASes announcing only one prefix: 1557 LACNIC Region transit ASes present in the Internet Routing Table: 903 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3417 Number of LACNIC addresses announced to Internet: 106892480 Equivalent to 6 /8s, 95 /16s and 12 /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: 9669 Total AfriNIC prefixes after maximum aggregation: 2390 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 15297 Unique aggregates announced from the AfriNIC address blocks: 6821 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 56.66 AfriNIC Region origin ASes announcing only one prefix: 108 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: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148 Number of AfriNIC addresses announced to Internet: 44748544 Equivalent to 2 /8s, 170 /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 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2442 153 429 LCS-AS-AP LARUS Limited, HK 56041 1820 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1073 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 171 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14858 41293 5678 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2141 4335 563 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1621 4848 254 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1596 1310 734 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1458 730 664 BRIGHTSPEED - Brightspeed, US 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 1498 1384 142 SAUDINETSTC-AS, SA 20940 1236 95 1011 AKAMAI-ASN1, NL 34984 1030 142 731 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 212238 796 58 704 CDNEXT, GB 8376 674 53 30 UNASSIGNED 35819 586 576 79 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 7748 1931 795 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1518 207 1127 Telmex Colombia S.A., CO 11664 1444 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1229 379 23 INTEGRATEL PERU S.A.A., PE 26615 1061 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 843 140 44 ENTEL CHILE S.A., CL 12252 669 164 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 1516 553 29 RAYA-AS, EG 24863 775 124 381 LINKdotNET-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 756 520 37 Vodafone-, EG 36914 552 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 434 904 248 ETISALAT-MISR, EG 2018 373 318 69 TENET-1, ZA 37693 349 599 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 14858 41293 5678 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7748 1931 795 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 17561 2442 153 429 LCS-AS-AP LARUS Limited, HK 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2141 4335 563 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 13671 13550 CHINAMOBILE-CN China Mobile Communications Grou 8151 7748 6953 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2442 2013 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1820 1741 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 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 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 /12:160 /13:218 /14:584 /15:1082 /16:7478 /17:3499 /18:4256 /19:7757 /20:13317 /21:16231 /22:28747 /23:30371 /24:178388 /25:64 /26:84 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4390 7748 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3054 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2661 14858 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1139 1444 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2383 AS-COLOCROSSING - HostPapa, US 19901 1009 1458 BRIGHTSPEED - Brightspeed, US 6167 982 2141 CELLCO-PART - Verizon Business, US 10620 947 1518 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 2:565 3:1011 4:1 5:1173 6:187 7:5 8:612 9:7 11:172 12:844 13:655 14:124 15:403 16:178 17:3 18:914 20:368 21:4 22:188 23:2890 24:790 27:22 28:1 29:19 31:503 32:13 34:12 35:178 36:3423 37:647 38:2617 39:877 40:59 41:1068 42:20 43:221 44:27 45:4354 46:902 47:187 48:67 49:23 50:471 51:544 52:1128 54:284 55:1203 56:11 57:32 58:17 59:27 60:14 61:54 62:654 63:687 64:2219 65:1017 66:2481 67:1200 68:496 69:1197 70:420 71:142 72:748 74:1028 75:262 76:222 77:510 78:563 79:251 80:345 81:423 82:833 83:212 84:394 85:637 86:249 87:234 88:279 89:632 90:123 91:929 92:648 93:937 94:985 95:1307 96:275 97:46 98:466 99:293 100:39 101:27 102:403 103:1131 104:1628 105:159 106:7 107:1786 108:528 109:378 110:62 111:2814 112:1327 113:40 114:32 115:14 116:54 117:1638 118:55 119:76 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:504 129:390 130:719 131:1277 132:549 133:214 134:532 135:122 136:730 137:592 138:1075 139:457 140:746 141:458 142:1566 143:862 144:517 145:171 146:673 147:500 148:1021 149:822 150:219 151:934 152:852 153:532 154:2555 155:966 156:1839 157:428 158:688 159:941 160:705 161:704 162:984 163:430 164:724 165:646 166:574 167:724 168:1449 169:170 170:1866 171:104 172:1458 173:804 174:353 175:124 176:749 177:1180 178:649 179:925 180:37 181:2610 182:26 183:1731 184:440 185:3347 186:3635 187:1945 188:1039 189:2055 190:6200 191:634 192:5112 193:1711 194:1116 195:936 196:659 197:696 198:2649 199:2466 200:4388 201:3642 202:1015 203:697 204:2197 205:1821 206:1513 207:1706 208:1628 209:2025 210:352 211:516 212:1120 213:860 214:956 215:36 216:2525 217:535 218:669 219:18 220:27 221:536 222:28 223:1713 End of report