IPv4 R&E Routing Table Report 20:15 GMT Mon 16 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: 289288 Prefixes after maximum aggregation (per Origin AS): 117683 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147148 Number of IPv4 prefixes with a valid ROA: 148092 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140982 Total ASes present in the Internet Routing Table: 20400 Prefixes per ASN: 14.18 Origin-only ASes present in the Internet Routing Table: 17503 Origin ASes announcing only one prefix: 7848 Transit ASes present in the Internet Routing Table: 2897 Transit-only ASes present in the Internet Routing Table: 723 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 271 Number of instances of unregistered ASNs: 300 Number of 32-bit ASNs allocated by the RIRs: 48981 Number of 32-bit ASNs visible in the Routing Table: 8389 Prefixes from 32-bit ASNs in the Routing Table: 35160 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: 89 Number of addresses announced to Internet: 1622104517 Equivalent to 96 /8s, 175 /16s and 89 /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: 93065 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42484 Total APNIC prefixes after maximum aggregation: 7996 APNIC Deaggregation factor: 5.31 Prefixes being announced from the APNIC address blocks: 39028 Unique aggregates announced from the APNIC address blocks: 7757 APNIC Region origin ASes present in the Internet Routing Table: 1233 APNIC Prefixes per ASN: 31.65 APNIC Region origin ASes announcing only one prefix: 503 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: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 602 Number of APNIC addresses announced to Internet: 168823148 Equivalent to 10 /8s, 16 /16s and 9 /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: 127935 Total ARIN prefixes after maximum aggregation: 65310 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125035 Unique aggregates announced from the ARIN address blocks: 70861 ARIN Region origin ASes present in the Internet Routing Table: 8962 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3691 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: 2156 Number of ARIN addresses announced to Internet: 1017890345 Equivalent to 60 /8s, 171 /16s and 198 /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: 50421 Total RIPE prefixes after maximum aggregation: 25244 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 53546 Unique aggregates announced from the RIPE address blocks: 37088 RIPE Region origin ASes present in the Internet Routing Table: 4427 RIPE Prefixes per ASN: 12.10 RIPE Region origin ASes announcing only one prefix: 1901 RIPE Region transit ASes present in the Internet Routing Table: 701 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1894 Number of RIPE addresses announced to Internet: 281610192 Equivalent to 16 /8s, 201 /16s and 7 /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: 58609 Total LACNIC prefixes after maximum aggregation: 16840 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 56408 Unique aggregates announced from the LACNIC address blocks: 24900 LACNIC Region origin ASes present in the Internet Routing Table: 4658 LACNIC Prefixes per ASN: 12.11 LACNIC Region origin ASes announcing only one prefix: 1647 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: 3589 Number of LACNIC addresses announced to Internet: 108078944 Equivalent to 6 /8s, 113 /16s and 39 /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: 9568 Total AfriNIC prefixes after maximum aggregation: 2097 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 15182 Unique aggregates announced from the AfriNIC address blocks: 6461 AfriNIC Region origin ASes present in the Internet Routing Table: 283 AfriNIC Prefixes per ASN: 53.65 AfriNIC Region origin ASes announcing only one prefix: 106 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148 Number of AfriNIC addresses announced to Internet: 45631232 Equivalent to 2 /8s, 184 /16s and 71 /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 13550 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2373 149 475 LCS-AS-AP LARUS Limited, HK 56041 1802 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1698 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1060 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 708 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 14470 41220 5565 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2368 194 1091 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1648 1348 757 DNIC-ASBLK-00306-00371 - United States De 209 1629 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1474 737 684 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 4969 306 72 ALJAWWALSTC-AS, SA 25019 1272 1335 141 SAUDINETSTC-AS, SA 20940 1260 97 1021 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 893 1841 19 TE-AS TE-AS, EG 212238 718 52 633 CDNEXT, GB 8376 667 54 30 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 528 98 447 OPENTRANSIT, FR 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 7315 1916 799 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1511 211 1126 Telmex Colombia S.A., CO 11664 1452 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 1053 2475 94 TIM SA, BR 18881 964 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 842 389 16 LINKdotNET-AS, EG 37069 750 1100 11 MOBINIL, EG 36914 554 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 520 242 353 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 423 873 258 ETISALAT-MISR, EG 2018 373 318 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 14470 41220 5565 AMAZON-02 - Amazon.com, Inc., US 9808 13550 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7315 1916 799 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4777 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 2373 149 475 LCS-AS-AP LARUS Limited, HK 36352 2368 194 1091 AS-COLOCROSSING - HostPapa, US 6167 2033 4261 577 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 13550 13430 CHINAMOBILE-CN China Mobile Communications Grou 8151 7315 6516 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4777 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2373 1898 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 56041 1802 1723 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1698 1648 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 397665 UNALLOCATED 12.24.28.0/24 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 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 /12:158 /13:217 /14:581 /15:1075 /16:7503 /17:3497 /18:4205 /19:7767 /20:13293 /21:16023 /22:28751 /23:29972 /24:175841 /25:65 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:61 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4050 7315 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3048 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2583 14470 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1141 1452 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1028 1474 BRIGHTSPEED - Brightspeed, US 36352 1028 2368 AS-COLOCROSSING - HostPapa, US 209 947 1629 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 923 1511 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) ---------------------------------------------- 1:72 2:497 3:1000 4:1 5:1154 6:182 7:5 8:618 9:7 11:172 12:855 13:589 14:121 15:400 16:141 17:3 18:908 20:368 21:4 22:188 23:2918 24:846 27:21 28:1 29:19 31:460 32:12 34:9 35:185 36:3332 37:625 38:2522 39:853 40:46 41:1075 42:21 43:220 44:24 45:4622 46:903 47:174 48:29 49:21 50:505 51:519 52:1104 54:273 55:1107 56:11 57:30 58:43 59:34 60:14 61:58 62:592 63:696 64:2210 65:965 66:2394 67:1103 68:486 69:1206 70:427 71:139 72:696 74:994 75:268 76:236 77:439 78:541 79:249 80:299 81:384 82:817 83:199 84:343 85:595 86:240 87:188 88:281 89:550 90:102 91:911 92:665 93:880 94:963 95:1287 96:273 97:45 98:384 99:281 100:21 101:27 102:418 103:1239 104:1642 105:155 107:1750 108:513 109:361 110:49 111:2760 112:1297 113:33 114:42 115:7 116:59 117:1617 118:65 119:90 120:2022 121:35 122:44 123:107 124:61 125:23 126:1 128:569 129:370 130:720 131:1278 132:561 133:217 134:502 135:134 136:722 137:601 138:1051 139:471 140:759 141:419 142:1540 143:849 144:501 145:193 146:671 147:506 148:1012 149:746 150:236 151:902 152:792 153:296 154:2315 155:999 156:2106 157:463 158:667 159:816 160:669 161:704 162:990 163:421 164:730 165:637 166:557 167:720 168:1501 169:205 170:1899 171:106 172:1398 173:811 174:269 175:88 176:620 177:1070 178:626 179:944 180:35 181:2637 182:27 183:1695 184:444 185:3263 186:3573 187:1781 188:1033 189:2083 190:6291 191:596 192:5145 193:1704 194:1095 195:928 196:700 197:683 198:2659 199:2475 200:4467 201:3678 202:1035 203:730 204:2159 205:1817 206:1500 207:1691 208:1624 209:2042 210:321 211:511 212:979 213:870 214:965 215:35 216:2446 217:524 218:663 219:18 220:28 221:537 222:27 223:1691 End of report