IPv4 R&E Routing Table Report 20:15 GMT Thu 07 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: 292314 Prefixes after maximum aggregation (per Origin AS): 119158 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149653 Number of IPv4 prefixes with a valid ROA: 152085 Number of IPv4 prefixes with an invalid ROA: 216 Number of IPv4 prefixes with no ROA: 140013 Total ASes present in the Internet Routing Table: 20156 Prefixes per ASN: 14.50 Origin-only ASes present in the Internet Routing Table: 17321 Origin ASes announcing only one prefix: 7749 Transit ASes present in the Internet Routing Table: 2835 Transit-only ASes present in the Internet Routing Table: 706 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: 215 Number of instances of unregistered ASNs: 244 Number of 32-bit ASNs allocated by the RIRs: 49667 Number of 32-bit ASNs visible in the Routing Table: 8262 Prefixes from 32-bit ASNs in the Routing Table: 35511 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: 86 Number of addresses announced to Internet: 1621242149 Equivalent to 96 /8s, 162 /16s and 49 /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: 95388 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42728 Total APNIC prefixes after maximum aggregation: 8006 APNIC Deaggregation factor: 5.34 Prefixes being announced from the APNIC address blocks: 39608 Unique aggregates announced from the APNIC address blocks: 7888 APNIC Region origin ASes present in the Internet Routing Table: 1239 APNIC Prefixes per ASN: 31.97 APNIC Region origin ASes announcing only one prefix: 490 APNIC Region transit ASes present in the Internet Routing Table: 210 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: 598 Number of APNIC addresses announced to Internet: 168613996 Equivalent to 10 /8s, 12 /16s and 216 /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: 128480 Total ARIN prefixes after maximum aggregation: 65461 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125833 Unique aggregates announced from the ARIN address blocks: 71326 ARIN Region origin ASes present in the Internet Routing Table: 8924 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 3708 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: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2163 Number of ARIN addresses announced to Internet: 1019361577 Equivalent to 60 /8s, 194 /16s and 57 /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: 52948 Total RIPE prefixes after maximum aggregation: 26216 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56039 Unique aggregates announced from the RIPE address blocks: 38736 RIPE Region origin ASes present in the Internet Routing Table: 4501 RIPE Prefixes per ASN: 12.45 RIPE Region origin ASes announcing only one prefix: 1899 RIPE Region transit ASes present in the Internet Routing Table: 704 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: 1961 Number of RIPE addresses announced to Internet: 283459024 Equivalent to 16 /8s, 229 /16s and 61 /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: 58376 Total LACNIC prefixes after maximum aggregation: 16671 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55652 Unique aggregates announced from the LACNIC address blocks: 24485 LACNIC Region origin ASes present in the Internet Routing Table: 4393 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1540 LACNIC Region transit ASes present in the Internet Routing Table: 889 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: 3382 Number of LACNIC addresses announced to Internet: 106560704 Equivalent to 6 /8s, 89 /16s and 252 /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: 9567 Total AfriNIC prefixes after maximum aggregation: 2640 AfriNIC Deaggregation factor: 3.62 Prefixes being announced from the AfriNIC address blocks: 15096 Unique aggregates announced from the AfriNIC address blocks: 7143 AfriNIC Region origin ASes present in the Internet Routing Table: 278 AfriNIC Prefixes per ASN: 54.30 AfriNIC Region origin ASes announcing only one prefix: 112 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 158 Number of AfriNIC addresses announced to Internet: 43179008 Equivalent to 2 /8s, 146 /16s and 220 /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 13679 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2054 129 412 LCS-AS-AP LARUS Limited, HK 56041 1821 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1075 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 824 1198 182 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 14893 41293 5692 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 1516 1246 730 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1511 1384 140 SAUDINETSTC-AS, SA 20940 1236 95 1015 AKAMAI-ASN1, NL 8452 1162 1841 19 TE-AS TE-AS, EG 34984 1016 139 726 TELLCOM-AS, TR 3215 875 4814 339 France Telecom - Orange, FR 212238 791 57 699 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 1934 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 1061 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 667 42 244 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 37069 747 1036 27 MOBINIL, EG 36935 741 169 175 Vodafone-, EG 24863 640 91 324 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 557 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 14893 41293 5692 AMAZON-02 - Amazon.com, Inc., US 9808 13679 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7623 1898 778 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 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 17561 2054 129 412 LCS-AS-AP LARUS Limited, HK 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 13679 13558 CHINAMOBILE-CN China Mobile Communications Grou 8151 7623 6845 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4776 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3474 3285 CMNET-JIANGSU-AP China Mobile communications co 11830 1934 1869 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 CMNET-HUNAN-AP China Mobile communications corp 17561 2054 1642 LCS-AS-AP LARUS Limited, HK 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 /16:7466 /17:3502 /18:4287 /19:7808 /20:13268 /21:16296 /22:28668 /23:30375 /24:178217 /25:64 /26:83 /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 3660 4975 ALJAWWALSTC-AS, SA 22773 3057 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2682 14893 AMAZON-02 - Amazon.com, Inc., US 11830 1645 1934 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 2:550 3:996 4:1 5:1176 6:187 7:5 8:615 9:7 11:172 12:839 13:641 14:126 15:405 16:182 17:3 18:912 20:370 21:4 22:188 23:2976 24:791 27:18 28:1 29:19 31:472 32:13 34:12 35:178 36:3429 37:684 38:2611 39:878 40:61 41:1084 42:20 43:220 44:28 45:4309 46:923 47:188 48:67 49:23 50:479 51:543 52:1119 54:272 55:1022 56:11 57:32 58:17 59:27 60:14 61:55 62:664 63:685 64:2223 65:1018 66:2472 67:1189 68:499 69:1188 70:422 71:140 72:747 74:1029 75:258 76:221 77:528 78:565 79:272 80:346 81:427 82:836 83:214 84:397 85:633 86:251 87:235 88:282 89:624 90:124 91:934 92:619 93:935 94:997 95:1272 96:275 97:46 98:469 99:295 100:40 101:31 102:415 103:1193 104:1642 105:158 106:7 107:1786 108:527 109:383 110:62 111:2816 112:1326 113:40 114:33 115:15 116:57 117:1643 118:58 119:76 120:2050 121:38 122:46 123:106 124:59 125:19 126:1 128:505 129:390 130:724 131:1262 132:554 133:214 134:532 135:119 136:679 137:595 138:1079 139:458 140:747 141:461 142:1565 143:858 144:523 145:171 146:673 147:505 148:1025 149:838 150:215 151:913 152:854 153:543 154:2225 155:973 156:1900 157:434 158:686 159:893 160:776 161:700 162:971 163:366 164:720 165:636 166:556 167:713 168:1466 169:163 170:1903 171:104 172:1452 173:809 174:353 175:128 176:766 177:1141 178:651 179:916 180:37 181:2641 182:26 183:1732 184:445 185:3356 186:3729 187:1918 188:1053 189:1979 190:6214 191:642 192:5087 193:1705 194:1116 195:942 196:679 197:681 198:2634 199:2484 200:4533 201:3606 202:1053 203:751 204:2173 205:1834 206:1514 207:1717 208:1619 209:2012 210:350 211:518 212:1090 213:880 214:957 215:36 216:2511 217:557 218:669 219:18 220:27 221:536 222:28 223:1713 End of report