IPv4 R&E Routing Table Report 20:15 GMT Wed 06 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: 292926 Prefixes after maximum aggregation (per Origin AS): 119206 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149921 Number of IPv4 prefixes with a valid ROA: 152752 Number of IPv4 prefixes with an invalid ROA: 216 Number of IPv4 prefixes with no ROA: 139958 Total ASes present in the Internet Routing Table: 20175 Prefixes per ASN: 14.52 Origin-only ASes present in the Internet Routing Table: 17361 Origin ASes announcing only one prefix: 7730 Transit ASes present in the Internet Routing Table: 2814 Transit-only ASes present in the Internet Routing Table: 692 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: 199 Number of instances of unregistered ASNs: 228 Number of 32-bit ASNs allocated by the RIRs: 49643 Number of 32-bit ASNs visible in the Routing Table: 8293 Prefixes from 32-bit ASNs in the Routing Table: 35917 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: 71 Number of addresses announced to Internet: 1621051429 Equivalent to 96 /8s, 159 /16s and 72 /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: 95321 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42945 Total APNIC prefixes after maximum aggregation: 7977 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39332 Unique aggregates announced from the APNIC address blocks: 7708 APNIC Region origin ASes present in the Internet Routing Table: 1192 APNIC Prefixes per ASN: 33.00 APNIC Region origin ASes announcing only one prefix: 465 APNIC Region transit ASes present in the Internet Routing Table: 198 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: 168610668 Equivalent to 10 /8s, 12 /16s and 203 /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: 128738 Total ARIN prefixes after maximum aggregation: 65594 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126152 Unique aggregates announced from the ARIN address blocks: 71620 ARIN Region origin ASes present in the Internet Routing Table: 8925 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3699 ARIN Region transit ASes present in the Internet Routing Table: 839 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: 1019493673 Equivalent to 60 /8s, 196 /16s and 61 /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: 52761 Total RIPE prefixes after maximum aggregation: 26191 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55858 Unique aggregates announced from the RIPE address blocks: 38642 RIPE Region origin ASes present in the Internet Routing Table: 4500 RIPE Prefixes per ASN: 12.41 RIPE Region origin ASes announcing only one prefix: 1906 RIPE Region transit ASes present in the Internet Routing Table: 703 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1956 Number of RIPE addresses announced to Internet: 283298256 Equivalent to 16 /8s, 226 /16s and 201 /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: 58807 Total LACNIC prefixes after maximum aggregation: 16684 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 56086 Unique aggregates announced from the LACNIC address blocks: 24595 LACNIC Region origin ASes present in the Internet Routing Table: 4478 LACNIC Prefixes per ASN: 12.52 LACNIC Region origin ASes announcing only one prefix: 1549 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: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3448 Number of LACNIC addresses announced to Internet: 106764224 Equivalent to 6 /8s, 93 /16s and 23 /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: 9476 Total AfriNIC prefixes after maximum aggregation: 2604 AfriNIC Deaggregation factor: 3.64 Prefixes being announced from the AfriNIC address blocks: 15427 Unique aggregates announced from the AfriNIC address blocks: 7296 AfriNIC Region origin ASes present in the Internet Routing Table: 275 AfriNIC Prefixes per ASN: 56.10 AfriNIC Region origin ASes announcing only one prefix: 111 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: 153 Number of AfriNIC addresses announced to Internet: 42820608 Equivalent to 2 /8s, 141 /16s and 100 /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 2430 153 441 LCS-AS-AP LARUS Limited, HK 56041 1821 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 829 1226 170 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 14938 41294 5697 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2335 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1508 1240 723 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 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 4941 304 70 ALJAWWALSTC-AS, SA 25019 1504 1384 141 SAUDINETSTC-AS, SA 20940 1235 95 1014 AKAMAI-ASN1, NL 8452 1162 1841 19 TE-AS TE-AS, EG 34984 1017 139 726 TELLCOM-AS, TR 3215 875 4814 339 France Telecom - Orange, FR 212238 798 58 706 CDNEXT, GB 8376 676 53 30 UNASSIGNED 35819 593 583 77 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 7623 1898 778 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1447 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 379 23 INTEGRATEL PERU S.A.A., PE 26615 1063 2391 99 TIM SA, BR 18881 982 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 665 42 242 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 1321 553 29 RAYA-AS, EG 36935 741 169 175 Vodafone-, EG 37069 727 1036 27 MOBINIL, EG 24863 640 91 324 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 555 82 3 KENET-AS, KE 36992 532 778 349 ETISALAT-MISR, EG 36903 503 233 345 MT-MPLS, MA 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 14938 41294 5697 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7623 1898 778 UNINET, MX 39891 4941 304 70 ALJAWWALSTC-AS, SA 22773 4776 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 2430 153 441 LCS-AS-AP LARUS Limited, HK 36352 2335 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 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 7623 6845 UNINET, MX 39891 4941 4871 ALJAWWALSTC-AS, SA 22773 4776 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2430 1989 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 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 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, 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 /11:54 /12:158 /13:214 /14:578 /15:1083 /16:7464 /17:3507 /18:4290 /19:7781 /20:13277 /21:16256 /22:28624 /23:30433 /24:178866 /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 4277 7623 UNINET, MX 39891 3627 4941 ALJAWWALSTC-AS, SA 22773 3057 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2686 14938 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1143 1447 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 36352 999 2335 AS-COLOCROSSING - HostPapa, US 6167 986 2149 CELLCO-PART - Verizon Business, US 209 943 1619 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 2:549 3:1002 4:1 5:1174 6:186 7:5 8:619 9:7 11:172 12:839 13:653 14:125 15:405 16:182 17:3 18:913 20:369 21:4 22:188 23:2995 24:795 27:18 28:1 29:19 31:453 32:13 34:12 35:178 36:3429 37:686 38:2624 39:878 40:61 41:1059 42:20 43:225 44:27 45:4522 46:908 47:187 48:67 49:23 50:479 51:541 52:1119 54:272 55:1031 56:11 57:32 58:17 59:27 60:14 61:55 62:657 63:684 64:2227 65:1024 66:2475 67:1191 68:499 69:1193 70:423 71:140 72:740 74:1031 75:258 76:222 77:528 78:565 79:271 80:342 81:428 82:832 83:214 84:397 85:632 86:251 87:237 88:280 89:625 90:126 91:927 92:620 93:933 94:986 95:1271 96:276 97:46 98:469 99:295 100:40 101:27 102:405 103:1151 104:1656 105:156 106:7 107:1814 108:527 109:382 110:62 111:2814 112:1326 113:40 114:32 115:15 116:54 117:1639 118:54 119:77 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:506 129:389 130:729 131:1269 132:551 133:214 134:533 135:119 136:678 137:597 138:1096 139:456 140:747 141:457 142:1564 143:867 144:520 145:171 146:673 147:503 148:1012 149:843 150:216 151:913 152:859 153:542 154:2645 155:969 156:1912 157:433 158:689 159:893 160:773 161:701 162:976 163:432 164:730 165:634 166:556 167:725 168:1492 169:162 170:1890 171:104 172:1461 173:810 174:353 175:128 176:738 177:1146 178:648 179:944 180:38 181:2650 182:26 183:1731 184:445 185:3331 186:3750 187:1806 188:1021 189:1968 190:6300 191:641 192:5098 193:1702 194:1110 195:942 196:668 197:683 198:2641 199:2484 200:4575 201:3599 202:1013 203:720 204:2175 205:1832 206:1520 207:1716 208:1623 209:2018 210:348 211:518 212:1084 213:876 214:958 215:36 216:2521 217:559 218:669 219:18 220:27 221:536 222:28 223:1713 End of report