IPv4 R&E Routing Table Report 20:15 GMT Mon 04 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: 292652 Prefixes after maximum aggregation (per Origin AS): 119032 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149386 Number of IPv4 prefixes with a valid ROA: 152117 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 140317 Total ASes present in the Internet Routing Table: 20201 Prefixes per ASN: 14.49 Origin-only ASes present in the Internet Routing Table: 17343 Origin ASes announcing only one prefix: 7749 Transit ASes present in the Internet Routing Table: 2858 Transit-only ASes present in the Internet Routing Table: 698 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: 217 Number of instances of unregistered ASNs: 246 Number of 32-bit ASNs allocated by the RIRs: 49617 Number of 32-bit ASNs visible in the Routing Table: 8326 Prefixes from 32-bit ASNs in the Routing Table: 35651 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: 1620698405 Equivalent to 96 /8s, 153 /16s and 229 /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: 95205 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42956 Total APNIC prefixes after maximum aggregation: 7952 APNIC Deaggregation factor: 5.40 Prefixes being announced from the APNIC address blocks: 39312 Unique aggregates announced from the APNIC address blocks: 7685 APNIC Region origin ASes present in the Internet Routing Table: 1187 APNIC Prefixes per ASN: 33.12 APNIC Region origin ASes announcing only one prefix: 466 APNIC Region transit ASes present in the Internet Routing Table: 197 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: 568 Number of APNIC addresses announced to Internet: 168645484 Equivalent to 10 /8s, 13 /16s and 83 /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: 128587 Total ARIN prefixes after maximum aggregation: 65574 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125898 Unique aggregates announced from the ARIN address blocks: 71383 ARIN Region origin ASes present in the Internet Routing Table: 8933 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 3704 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2170 Number of ARIN addresses announced to Internet: 1019446825 Equivalent to 60 /8s, 195 /16s and 134 /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: 52564 Total RIPE prefixes after maximum aggregation: 26034 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55682 Unique aggregates announced from the RIPE address blocks: 38470 RIPE Region origin ASes present in the Internet Routing Table: 4479 RIPE Prefixes per ASN: 12.43 RIPE Region origin ASes announcing only one prefix: 1888 RIPE Region transit ASes present in the Internet Routing Table: 705 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: 283291600 Equivalent to 16 /8s, 226 /16s and 175 /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: 58612 Total LACNIC prefixes after maximum aggregation: 16694 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 56019 Unique aggregates announced from the LACNIC address blocks: 24495 LACNIC Region origin ASes present in the Internet Routing Table: 4513 LACNIC Prefixes per ASN: 12.41 LACNIC Region origin ASes announcing only one prefix: 1581 LACNIC Region transit ASes present in the Internet Routing Table: 918 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: 3494 Number of LACNIC addresses announced to Internet: 106716352 Equivalent to 6 /8s, 92 /16s and 92 /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: 9716 Total AfriNIC prefixes after maximum aggregation: 2612 AfriNIC Deaggregation factor: 3.72 Prefixes being announced from the AfriNIC address blocks: 15654 Unique aggregates announced from the AfriNIC address blocks: 7277 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 57.13 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: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152 Number of AfriNIC addresses announced to Internet: 42530048 Equivalent to 2 /8s, 136 /16s and 245 /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 2526 159 463 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 14813 41290 5693 AMAZON-02 - Amazon.com, Inc., US 22773 4754 3098 349 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2384 195 1100 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 1509 1244 723 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1449 728 665 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 1501 1384 141 SAUDINETSTC-AS, SA 20940 1234 95 1011 AKAMAI-ASN1, NL 8452 1161 1841 19 TE-AS TE-AS, EG 34984 1017 139 727 TELLCOM-AS, TR 3215 903 4816 310 France Telecom - Orange, FR 212238 796 58 704 CDNEXT, GB 8376 671 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 7748 1931 795 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 1063 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 843 140 44 ENTEL CHILE S.A., CL 52468 671 42 241 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 1516 553 29 RAYA-AS, EG 36935 764 174 187 Vodafone-, EG 37069 751 1040 28 MOBINIL, EG 24863 652 94 330 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 557 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 36992 490 683 350 ETISALAT-MISR, EG 2018 366 318 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 14813 41290 5693 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 4754 3098 349 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 2526 159 463 LCS-AS-AP LARUS Limited, HK 36352 2384 195 1100 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 7748 6953 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4754 4405 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2526 2063 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 /11:54 /12:158 /13:214 /14:578 /15:1082 /16:7464 /17:3502 /18:4264 /19:7791 /20:13325 /21:16277 /22:28795 /23:30420 /24:178387 /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 3052 4754 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2662 14813 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 2384 AS-COLOCROSSING - HostPapa, US 19901 1002 1449 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) ---------------------------------------------- 1:79 2:558 3:1003 4:1 5:1173 6:186 7:5 8:618 9:7 11:172 12:842 13:637 14:125 15:403 16:182 17:3 18:914 20:369 21:4 22:188 23:2906 24:783 27:22 28:1 29:19 31:451 32:13 34:12 35:178 36:3426 37:642 38:2618 39:877 40:59 41:1086 42:20 43:217 44:27 45:4377 46:901 47:187 48:67 49:23 50:477 51:544 52:1121 54:273 55:1204 56:11 57:30 58:17 59:27 60:14 61:54 62:656 63:680 64:2236 65:1022 66:2479 67:1194 68:498 69:1198 70:420 71:140 72:747 74:1022 75:262 76:222 77:523 78:565 79:251 80:346 81:420 82:829 83:215 84:395 85:634 86:248 87:236 88:280 89:627 90:127 91:926 92:650 93:934 94:976 95:1267 96:272 97:46 98:465 99:289 100:40 101:27 102:417 103:1131 104:1640 105:161 106:7 107:1778 108:528 109:375 110:62 111:2813 112:1327 113:40 114:32 115:16 116:54 117:1640 118:56 119:75 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:512 129:387 130:720 131:1268 132:560 133:214 134:529 135:122 136:680 137:595 138:1076 139:457 140:747 141:455 142:1552 143:845 144:521 145:171 146:676 147:500 148:1005 149:813 150:219 151:918 152:854 153:534 154:2560 155:966 156:1925 157:430 158:688 159:899 160:770 161:687 162:983 163:432 164:725 165:636 166:556 167:724 168:1467 169:165 170:1859 171:104 172:1458 173:809 174:354 175:125 176:748 177:1183 178:645 179:917 180:38 181:2643 182:26 183:1731 184:442 185:3330 186:3721 187:1816 188:1030 189:2048 190:6226 191:629 192:5097 193:1705 194:1117 195:935 196:680 197:691 198:2645 199:2470 200:4513 201:3634 202:1011 203:717 204:2198 205:1822 206:1506 207:1705 208:1625 209:2019 210:351 211:518 212:1093 213:872 214:959 215:36 216:2527 217:541 218:669 219:18 220:27 221:536 222:28 223:1713 End of report