IPv4 R&E Routing Table Report 20:15 GMT Tue 24 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: 288937 Prefixes after maximum aggregation (per Origin AS): 117419 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146812 Number of IPv4 prefixes with a valid ROA: 147673 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141050 Total ASes present in the Internet Routing Table: 20453 Prefixes per ASN: 14.13 Origin-only ASes present in the Internet Routing Table: 17546 Origin ASes announcing only one prefix: 7880 Transit ASes present in the Internet Routing Table: 2907 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: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 278 Number of instances of unregistered ASNs: 307 Number of 32-bit ASNs allocated by the RIRs: 49061 Number of 32-bit ASNs visible in the Routing Table: 8429 Prefixes from 32-bit ASNs in the Routing Table: 34955 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: 94 Number of addresses announced to Internet: 1620644773 Equivalent to 96 /8s, 153 /16s and 19 /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: 93203 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42365 Total APNIC prefixes after maximum aggregation: 8004 APNIC Deaggregation factor: 5.29 Prefixes being announced from the APNIC address blocks: 39004 Unique aggregates announced from the APNIC address blocks: 7723 APNIC Region origin ASes present in the Internet Routing Table: 1227 APNIC Prefixes per ASN: 31.79 APNIC Region origin ASes announcing only one prefix: 496 APNIC Region transit ASes present in the Internet Routing Table: 212 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: 591 Number of APNIC addresses announced to Internet: 168505452 Equivalent to 10 /8s, 11 /16s and 48 /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: 128086 Total ARIN prefixes after maximum aggregation: 65157 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125047 Unique aggregates announced from the ARIN address blocks: 70773 ARIN Region origin ASes present in the Internet Routing Table: 8959 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3706 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2162 Number of ARIN addresses announced to Internet: 1017390377 Equivalent to 60 /8s, 164 /16s and 37 /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: 50572 Total RIPE prefixes after maximum aggregation: 25043 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 53681 Unique aggregates announced from the RIPE address blocks: 36932 RIPE Region origin ASes present in the Internet Routing Table: 4472 RIPE Prefixes per ASN: 12.00 RIPE Region origin ASes announcing only one prefix: 1921 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: 1925 Number of RIPE addresses announced to Internet: 281469520 Equivalent to 16 /8s, 198 /16s and 226 /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: 58092 Total LACNIC prefixes after maximum aggregation: 16923 LACNIC Deaggregation factor: 3.43 Prefixes being announced from the LACNIC address blocks: 55915 Unique aggregates announced from the LACNIC address blocks: 24927 LACNIC Region origin ASes present in the Internet Routing Table: 4652 LACNIC Prefixes per ASN: 12.02 LACNIC Region origin ASes announcing only one prefix: 1645 LACNIC Region transit ASes present in the Internet Routing Table: 931 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3594 Number of LACNIC addresses announced to Internet: 107677632 Equivalent to 6 /8s, 107 /16s and 7 /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: 9544 Total AfriNIC prefixes after maximum aggregation: 2091 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 15196 Unique aggregates announced from the AfriNIC address blocks: 6372 AfriNIC Region origin ASes present in the Internet Routing Table: 291 AfriNIC Prefixes per ASN: 52.22 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 45460224 Equivalent to 2 /8s, 181 /16s and 171 /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 2372 149 479 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 2907 667 2153 465 SINET-AS Research Organization of Informa 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 14513 41221 5588 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3101 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2522 207 987 AS-COLOCROSSING - HostPapa, US 6167 2047 4263 582 CELLCO-PART - Verizon Business, US 11776 1837 256 220 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1604 1321 734 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 684 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 4901 302 73 ALJAWWALSTC-AS, SA 25019 1283 1335 144 SAUDINETSTC-AS, SA 20940 1253 97 1018 AKAMAI-ASN1, NL 34984 982 145 731 TELLCOM-AS, TR 8452 931 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 664 54 30 Communications, JO 212238 593 42 527 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 6759 1874 800 UNINET, MX 11830 1953 369 65 Instituto Costarricense de Electricidad y 10620 1513 211 1128 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 967 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 690 43 207 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 1531 524 27 RAYA-AS, EG 24863 843 389 16 LINKdotNET-AS, EG 37069 771 1100 11 MOBINIL, EG 36914 546 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 2018 375 318 69 TENET-1, ZA 36992 367 844 247 ETISALAT-MISR, EG 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 14513 41221 5588 AMAZON-02 - Amazon.com, Inc., US 9808 13577 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6759 1874 800 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4779 3101 365 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 2522 207 987 AS-COLOCROSSING - HostPapa, US 17561 2372 149 479 LCS-AS-AP LARUS Limited, HK 6167 2047 4263 582 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 6759 5959 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4779 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2372 1893 LCS-AS-AP LARUS Limited, HK 11830 1953 1888 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1717 1667 CMNET-HUNAN-AP China Mobile communications corp 11776 1837 1617 ATLANTICBB-JOHNSTOWN - Breezeline, US 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 /15:1071 /16:7474 /17:3491 /18:4173 /19:7661 /20:13329 /21:15894 /22:28676 /23:29939 /24:175872 /25:65 /26:81 /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 8151 3756 6759 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3051 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2602 14513 AMAZON-02 - Amazon.com, Inc., US 11830 1662 1953 Instituto Costarricense de Electricidad y Telecom., CR 11664 1138 1449 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1078 2522 AS-COLOCROSSING - HostPapa, US 19901 1027 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 925 1513 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:74 2:504 3:1000 4:1 5:1311 6:183 7:5 8:626 9:7 11:172 12:855 13:601 14:121 15:401 16:143 17:3 18:911 20:369 21:4 22:188 23:2901 24:846 27:19 28:2 29:19 31:456 32:13 34:9 35:185 36:3333 37:604 38:2529 39:859 40:47 41:1113 42:21 43:210 44:25 45:4521 46:907 47:172 48:39 49:21 50:496 51:463 52:1102 54:272 55:1112 56:11 57:27 58:41 59:34 60:14 61:63 62:623 63:695 64:2181 65:991 66:2405 67:1109 68:493 69:1208 70:426 71:139 72:699 74:994 75:260 76:236 77:499 78:539 79:249 80:314 81:419 82:829 83:199 84:344 85:588 86:238 87:192 88:280 89:549 90:98 91:912 92:674 93:875 94:962 95:1291 96:275 97:44 98:383 99:284 100:22 101:27 102:417 103:1175 104:1608 105:155 107:1786 108:517 109:356 110:49 111:2795 112:1305 113:33 114:36 115:7 116:51 117:1633 118:70 119:97 120:2026 121:36 122:43 123:106 124:62 125:23 126:1 128:572 129:371 130:721 131:1273 132:562 133:217 134:503 135:136 136:708 137:600 138:1042 139:460 140:742 141:435 142:1519 143:857 144:502 145:180 146:667 147:501 148:1045 149:720 150:230 151:919 152:833 153:298 154:2311 155:991 156:2084 157:461 158:671 159:833 160:694 161:702 162:975 163:423 164:731 165:639 166:562 167:719 168:1469 169:206 170:1870 171:104 172:1401 173:807 174:269 175:88 176:621 177:1192 178:627 179:960 180:35 181:2590 182:27 183:1715 184:447 185:3233 186:3588 187:1680 188:1028 189:1930 190:6227 191:601 192:5154 193:1688 194:1088 195:912 196:643 197:679 198:2689 199:2483 200:4503 201:3692 202:1026 203:711 204:2202 205:1837 206:1496 207:1697 208:1621 209:2035 210:316 211:512 212:998 213:876 214:968 215:35 216:2484 217:536 218:663 219:18 220:28 221:537 222:31 223:1693 End of report