IPv4 R&E Routing Table Report 20:15 GMT Wed 25 Mar, 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: 288602 Prefixes after maximum aggregation (per Origin AS): 117334 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146680 Number of IPv4 prefixes with a valid ROA: 147448 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140940 Total ASes present in the Internet Routing Table: 20344 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17458 Origin ASes announcing only one prefix: 7847 Transit ASes present in the Internet Routing Table: 2886 Transit-only ASes present in the Internet Routing Table: 733 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 248 Number of instances of unregistered ASNs: 277 Number of 32-bit ASNs allocated by the RIRs: 49085 Number of 32-bit ASNs visible in the Routing Table: 8313 Prefixes from 32-bit ASNs in the Routing Table: 34789 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 1620984485 Equivalent to 96 /8s, 158 /16s and 66 /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: 92952 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42407 Total APNIC prefixes after maximum aggregation: 7963 APNIC Deaggregation factor: 5.33 Prefixes being announced from the APNIC address blocks: 38962 Unique aggregates announced from the APNIC address blocks: 7666 APNIC Region origin ASes present in the Internet Routing Table: 1239 APNIC Prefixes per ASN: 31.45 APNIC Region origin ASes announcing only one prefix: 501 APNIC Region transit ASes present in the Internet Routing Table: 218 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 604 Number of APNIC addresses announced to Internet: 168917356 Equivalent to 10 /8s, 17 /16s and 121 /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: 128200 Total ARIN prefixes after maximum aggregation: 65119 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125357 Unique aggregates announced from the ARIN address blocks: 70830 ARIN Region origin ASes present in the Internet Routing Table: 8981 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3723 ARIN Region transit ASes present in the Internet Routing Table: 847 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: 2169 Number of ARIN addresses announced to Internet: 1017813545 Equivalent to 60 /8s, 170 /16s and 154 /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: 51023 Total RIPE prefixes after maximum aggregation: 25362 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54141 Unique aggregates announced from the RIPE address blocks: 37320 RIPE Region origin ASes present in the Internet Routing Table: 4477 RIPE Prefixes per ASN: 12.09 RIPE Region origin ASes announcing only one prefix: 1924 RIPE Region transit ASes present in the Internet Routing Table: 712 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: 1921 Number of RIPE addresses announced to Internet: 282183504 Equivalent to 16 /8s, 209 /16s and 199 /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: 57192 Total LACNIC prefixes after maximum aggregation: 16604 LACNIC Deaggregation factor: 3.44 Prefixes being announced from the LACNIC address blocks: 54879 Unique aggregates announced from the LACNIC address blocks: 24413 LACNIC Region origin ASes present in the Internet Routing Table: 4509 LACNIC Prefixes per ASN: 12.17 LACNIC Region origin ASes announcing only one prefix: 1587 LACNIC Region transit ASes present in the Internet Routing Table: 905 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3465 Number of LACNIC addresses announced to Internet: 106692544 Equivalent to 6 /8s, 91 /16s and 255 /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: 9532 Total AfriNIC prefixes after maximum aggregation: 2088 AfriNIC Deaggregation factor: 4.57 Prefixes being announced from the AfriNIC address blocks: 15171 Unique aggregates announced from the AfriNIC address blocks: 6368 AfriNIC Region origin ASes present in the Internet Routing Table: 288 AfriNIC Prefixes per ASN: 52.68 AfriNIC Region origin ASes announcing only one prefix: 112 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 154 Number of AfriNIC addresses announced to Internet: 45236480 Equivalent to 2 /8s, 178 /16s and 65 /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 13577 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2366 149 476 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 710 1210 160 ALIBABA-CN-NET Alibaba US Technology Co., 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 14508 41220 5600 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2506 206 984 AS-COLOCROSSING - HostPapa, US 6167 2082 4304 583 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1605 1321 737 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 683 BRIGHTSPEED - Brightspeed, US 20057 1456 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 4903 302 73 ALJAWWALSTC-AS, SA 25019 1294 1335 144 SAUDINETSTC-AS, SA 20940 1273 98 1031 AKAMAI-ASN1, NL 34984 978 145 730 TELLCOM-AS, TR 8452 932 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 663 54 30 Communications, JO 212238 617 45 550 CDNEXT, GB 51167 565 113 248 CONTABO, DE 35819 552 553 87 MOBILY-AS Etihad Etisalat Company Mobily, 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 6359 1694 778 UNINET, MX 11830 1959 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1449 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1051 2474 93 TIM SA, BR 18881 975 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 686 43 206 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 1541 524 27 RAYA-AS, EG 24863 846 389 16 LINKdotNET-AS, EG 37069 755 1100 11 MOBINIL, EG 36914 557 82 3 KENET-AS, KE 36935 540 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 487 78 20 ORANGE-COTE-IVOIRE, CI 36992 377 857 251 ETISALAT-MISR, EG 2018 374 318 69 TENET-1, ZA 37693 347 599 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 14508 41220 5600 AMAZON-02 - Amazon.com, Inc., US 9808 13577 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6359 1694 778 UNINET, MX 39891 4903 302 73 ALJAWWALSTC-AS, SA 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2506 206 984 AS-COLOCROSSING - HostPapa, US 17561 2366 149 476 LCS-AS-AP LARUS Limited, HK 6167 2082 4304 583 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 13577 13457 CHINAMOBILE-CN China Mobile Communications Grou 8151 6359 5581 UNINET, MX 39891 4903 4830 ALJAWWALSTC-AS, SA 22773 4778 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 11830 1959 1894 Instituto Costarricense de Electricidad y Telec 17561 2366 1890 LCS-AS-AP LARUS Limited, HK 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1667 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 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /11:55 /12:159 /13:217 /14:582 /15:1073 /16:7489 /17:3506 /18:4182 /19:7575 /20:13248 /21:16048 /22:28690 /23:29838 /24:175594 /25:66 /26:82 /27:52 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3651 4903 ALJAWWALSTC-AS, SA 8151 3445 6359 UNINET, MX 22773 3051 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2597 14508 AMAZON-02 - Amazon.com, Inc., US 11830 1668 1959 Instituto Costarricense de Electricidad y Telecom., CR 11664 1138 1449 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1065 2506 AS-COLOCROSSING - HostPapa, US 19901 1027 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 929 2082 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:522 3:1000 4:1 5:1312 6:183 7:5 8:627 9:7 11:172 12:857 13:596 14:119 15:401 16:143 17:3 18:911 20:366 21:4 22:188 23:2919 24:856 27:18 28:2 29:19 31:458 32:13 34:9 35:186 36:3333 37:610 38:2548 39:859 40:47 41:1089 42:21 43:203 44:25 45:4495 46:906 47:174 48:39 49:19 50:491 51:461 52:1105 54:272 55:1114 56:11 57:27 58:41 59:34 60:14 61:58 62:621 63:693 64:2208 65:996 66:2406 67:1120 68:490 69:1202 70:426 71:140 72:692 74:1002 75:259 76:234 77:503 78:552 79:254 80:324 81:419 82:828 83:199 84:348 85:592 86:237 87:194 88:280 89:558 90:98 91:914 92:673 93:876 94:980 95:1299 96:272 97:44 98:381 99:282 100:22 101:26 102:404 103:1158 104:1605 105:156 107:1781 108:520 109:356 110:48 111:2795 112:1305 113:33 114:34 115:7 116:52 117:1634 118:66 119:93 120:2026 121:37 122:43 123:107 124:63 125:23 126:1 128:571 129:370 130:727 131:1263 132:553 133:217 134:503 135:135 136:710 137:599 138:1028 139:461 140:741 141:434 142:1530 143:856 144:508 145:180 146:670 147:502 148:967 149:719 150:230 151:918 152:833 153:313 154:2365 155:994 156:2097 157:465 158:667 159:838 160:686 161:700 162:978 163:426 164:733 165:642 166:554 167:719 168:1469 169:205 170:1875 171:104 172:1407 173:813 174:269 175:89 176:624 177:1118 178:642 179:930 180:35 181:2593 182:27 183:1712 184:445 185:3234 186:3571 187:1634 188:1033 189:1804 190:6224 191:587 192:5149 193:1693 194:1086 195:908 196:646 197:693 198:2685 199:2476 200:4494 201:3557 202:1024 203:719 204:2199 205:1850 206:1502 207:1718 208:1629 209:2054 210:319 211:512 212:1000 213:876 214:968 215:35 216:2488 217:541 218:663 219:18 220:28 221:537 222:31 223:1693 End of report