IPv4 R&E Routing Table Report 20:15 GMT Sat 02 May, 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: 292510 Prefixes after maximum aggregation (per Origin AS): 118769 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149148 Number of IPv4 prefixes with a valid ROA: 151853 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 140442 Total ASes present in the Internet Routing Table: 20168 Prefixes per ASN: 14.50 Origin-only ASes present in the Internet Routing Table: 17332 Origin ASes announcing only one prefix: 7721 Transit ASes present in the Internet Routing Table: 2836 Transit-only ASes present in the Internet Routing Table: 700 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: 211 Number of instances of unregistered ASNs: 240 Number of 32-bit ASNs allocated by the RIRs: 49605 Number of 32-bit ASNs visible in the Routing Table: 8307 Prefixes from 32-bit ASNs in the Routing Table: 35670 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: 87 Number of addresses announced to Internet: 1623346469 Equivalent to 96 /8s, 194 /16s and 77 /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: 95289 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42875 Total APNIC prefixes after maximum aggregation: 7908 APNIC Deaggregation factor: 5.42 Prefixes being announced from the APNIC address blocks: 39299 Unique aggregates announced from the APNIC address blocks: 7680 APNIC Region origin ASes present in the Internet Routing Table: 1182 APNIC Prefixes per ASN: 33.25 APNIC Region origin ASes announcing only one prefix: 461 APNIC Region transit ASes present in the Internet Routing Table: 195 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: 567 Number of APNIC addresses announced to Internet: 168602220 Equivalent to 10 /8s, 12 /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: 128694 Total ARIN prefixes after maximum aggregation: 65583 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125985 Unique aggregates announced from the ARIN address blocks: 71453 ARIN Region origin ASes present in the Internet Routing Table: 8921 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3693 ARIN Region transit ASes present in the Internet Routing Table: 833 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: 2167 Number of ARIN addresses announced to Internet: 1019605289 Equivalent to 60 /8s, 197 /16s and 241 /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: 52432 Total RIPE prefixes after maximum aggregation: 26073 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55769 Unique aggregates announced from the RIPE address blocks: 38603 RIPE Region origin ASes present in the Internet Routing Table: 4470 RIPE Prefixes per ASN: 12.48 RIPE Region origin ASes announcing only one prefix: 1880 RIPE Region transit ASes present in the Internet Routing Table: 702 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: 1939 Number of RIPE addresses announced to Internet: 283256016 Equivalent to 16 /8s, 226 /16s and 36 /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: 58609 Total LACNIC prefixes after maximum aggregation: 16669 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 56018 Unique aggregates announced from the LACNIC address blocks: 24504 LACNIC Region origin ASes present in the Internet Routing Table: 4512 LACNIC Prefixes per ASN: 12.42 LACNIC Region origin ASes announcing only one prefix: 1582 LACNIC Region transit ASes present in the Internet Routing Table: 909 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: 3488 Number of LACNIC addresses announced to Internet: 106821568 Equivalent to 6 /8s, 93 /16s and 247 /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: 9689 Total AfriNIC prefixes after maximum aggregation: 2372 AfriNIC Deaggregation factor: 4.08 Prefixes being announced from the AfriNIC address blocks: 15352 Unique aggregates announced from the AfriNIC address blocks: 6832 AfriNIC Region origin ASes present in the Internet Routing Table: 268 AfriNIC Prefixes per ASN: 57.28 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: 6.2 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146 Number of AfriNIC addresses announced to Internet: 44993280 Equivalent to 2 /8s, 174 /16s and 139 /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 2472 155 434 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 14839 41289 5691 AMAZON-02 - Amazon.com, Inc., US 22773 4772 3099 361 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 2147 4358 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1620 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1508 1244 722 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1451 728 659 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 1505 1384 141 SAUDINETSTC-AS, SA 20940 1236 95 1011 AKAMAI-ASN1, NL 34984 1017 139 726 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 212238 795 58 703 CDNEXT, GB 8376 674 53 30 UNASSIGNED 35819 591 581 78 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 7743 1930 791 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 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 37069 775 1100 11 MOBINIL, EG 24863 740 116 364 LINKdotNET-AS, EG 36935 738 518 26 Vodafone-, EG 36914 546 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 484 967 252 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 14839 41289 5691 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7743 1930 791 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4772 3099 361 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 2472 155 434 LCS-AS-AP LARUS Limited, HK 36352 2383 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2147 4358 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 13671 13550 CHINAMOBILE-CN China Mobile Communications Grou 8151 7743 6952 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4772 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2472 2038 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 /16:7477 /17:3503 /18:4260 /19:7752 /20:13326 /21:16263 /22:28719 /23:30393 /24:178377 /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 7743 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3054 4772 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2671 14839 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 1003 1451 BRIGHTSPEED - Brightspeed, US 6167 984 2147 CELLCO-PART - Verizon Business, US 209 944 1620 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) ---------------------------------------------- 1:78 2:565 3:1007 4:1 5:1184 6:185 7:5 8:611 9:7 11:172 12:841 13:637 14:125 15:404 16:182 17:3 18:913 20:369 21:4 22:188 23:2908 24:789 27:22 28:1 29:19 31:456 32:13 34:12 35:178 36:3427 37:645 38:2608 39:877 40:59 41:1069 42:20 43:218 44:27 45:4400 46:902 47:187 48:67 49:23 50:487 51:544 52:1129 54:283 55:1199 56:11 57:30 58:17 59:27 60:14 61:54 62:656 63:680 64:2234 65:1019 66:2478 67:1202 68:494 69:1196 70:420 71:140 72:751 74:1027 75:262 76:220 77:513 78:563 79:251 80:343 81:423 82:830 83:212 84:396 85:636 86:251 87:234 88:279 89:643 90:126 91:929 92:650 93:937 94:988 95:1271 96:271 97:46 98:466 99:296 100:39 101:27 102:407 103:1134 104:1632 105:153 106:7 107:1778 108:528 109:381 110:62 111:2815 112:1327 113:40 114:32 115:16 116:55 117:1638 118:54 119:76 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:506 129:387 130:719 131:1285 132:548 133:214 134:530 135:123 136:678 137:592 138:1098 139:455 140:748 141:457 142:1551 143:847 144:521 145:172 146:676 147:496 148:1019 149:819 150:223 151:917 152:852 153:531 154:2545 155:969 156:1868 157:430 158:689 159:904 160:705 161:705 162:985 163:431 164:726 165:643 166:556 167:732 168:1450 169:169 170:1858 171:104 172:1455 173:804 174:353 175:124 176:750 177:1183 178:649 179:924 180:37 181:2612 182:26 183:1731 184:440 185:3347 186:3684 187:1965 188:1023 189:2071 190:6197 191:624 192:5104 193:1707 194:1115 195:935 196:680 197:684 198:2649 199:2477 200:4433 201:3635 202:1011 203:717 204:2195 205:1822 206:1508 207:1704 208:1627 209:2021 210:351 211:518 212:1091 213:862 214:959 215:36 216:2527 217:534 218:669 219:18 220:27 221:536 222:28 223:1713 End of report