IPv4 R&E Routing Table Report 20:15 GMT Sat 28 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: 290418 Prefixes after maximum aggregation (per Origin AS): 117504 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 147033 Number of IPv4 prefixes with a valid ROA: 148926 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 141279 Total ASes present in the Internet Routing Table: 20346 Prefixes per ASN: 14.27 Origin-only ASes present in the Internet Routing Table: 17468 Origin ASes announcing only one prefix: 7836 Transit ASes present in the Internet Routing Table: 2878 Transit-only ASes present in the Internet Routing Table: 728 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 248 Number of instances of unregistered ASNs: 277 Number of 32-bit ASNs allocated by the RIRs: 49156 Number of 32-bit ASNs visible in the Routing Table: 8335 Prefixes from 32-bit ASNs in the Routing Table: 34801 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 1621662117 Equivalent to 96 /8s, 168 /16s and 153 /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: 93872 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42590 Total APNIC prefixes after maximum aggregation: 7955 APNIC Deaggregation factor: 5.35 Prefixes being announced from the APNIC address blocks: 39204 Unique aggregates announced from the APNIC address blocks: 7740 APNIC Region origin ASes present in the Internet Routing Table: 1242 APNIC Prefixes per ASN: 31.57 APNIC Region origin ASes announcing only one prefix: 506 APNIC Region transit ASes present in the Internet Routing Table: 219 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: 608 Number of APNIC addresses announced to Internet: 168982380 Equivalent to 10 /8s, 18 /16s and 119 /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: 128375 Total ARIN prefixes after maximum aggregation: 65251 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125387 Unique aggregates announced from the ARIN address blocks: 71038 ARIN Region origin ASes present in the Internet Routing Table: 8956 ARIN Prefixes per ASN: 14.00 ARIN Region origin ASes announcing only one prefix: 3692 ARIN Region transit ASes present in the Internet Routing Table: 843 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: 2159 Number of ARIN addresses announced to Internet: 1017671209 Equivalent to 60 /8s, 168 /16s and 110 /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: 51287 Total RIPE prefixes after maximum aggregation: 25432 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 54466 Unique aggregates announced from the RIPE address blocks: 37543 RIPE Region origin ASes present in the Internet Routing Table: 4504 RIPE Prefixes per ASN: 12.09 RIPE Region origin ASes announcing only one prefix: 1932 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 1941 Number of RIPE addresses announced to Internet: 282167120 Equivalent to 16 /8s, 209 /16s and 135 /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: 58058 Total LACNIC prefixes after maximum aggregation: 16548 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55710 Unique aggregates announced from the LACNIC address blocks: 24196 LACNIC Region origin ASes present in the Internet Routing Table: 4513 LACNIC Prefixes per ASN: 12.34 LACNIC Region origin ASes announcing only one prefix: 1591 LACNIC Region transit ASes present in the Internet Routing Table: 912 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: 3474 Number of LACNIC addresses announced to Internet: 107255488 Equivalent to 6 /8s, 100 /16s and 150 /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: 9860 Total AfriNIC prefixes after maximum aggregation: 2119 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 15559 Unique aggregates announced from the AfriNIC address blocks: 6433 AfriNIC Region origin ASes present in the Internet Routing Table: 287 AfriNIC Prefixes per ASN: 54.21 AfriNIC Region origin ASes announcing only one prefix: 115 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: 153 Number of AfriNIC addresses announced to Internet: 45444864 Equivalent to 2 /8s, 181 /16s and 111 /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 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2379 150 475 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 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 726 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 14570 41223 5604 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 2517 207 990 AS-COLOCROSSING - HostPapa, US 6167 2084 4309 585 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1589 1295 730 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 683 BRIGHTSPEED - Brightspeed, US 20057 1457 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 4835 298 70 ALJAWWALSTC-AS, SA 25019 1294 1335 142 SAUDINETSTC-AS, SA 20940 1256 97 1021 AKAMAI-ASN1, NL 34984 978 145 729 TELLCOM-AS, TR 8452 941 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 660 54 30 UNASSIGNED 212238 596 42 530 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 7346 1941 801 UNINET, MX 11830 1959 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1452 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1054 2393 95 TIM SA, BR 18881 979 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 1587 552 27 RAYA-AS, EG 24863 864 389 16 LINKdotNET-AS, EG 37069 759 1100 11 MOBINIL, EG 36935 758 520 40 Vodafone-, EG 36914 552 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 487 78 20 ORANGE-COTE-IVOIRE, CI 36992 434 901 264 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 14570 41223 5604 AMAZON-02 - Amazon.com, Inc., US 9808 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7346 1941 801 UNINET, MX 39891 4835 298 70 ALJAWWALSTC-AS, SA 22773 4778 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2517 207 990 AS-COLOCROSSING - HostPapa, US 17561 2379 150 475 LCS-AS-AP LARUS Limited, HK 6167 2084 4309 585 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 13589 13469 CHINAMOBILE-CN China Mobile Communications Grou 8151 7346 6545 UNINET, MX 39891 4835 4765 ALJAWWALSTC-AS, SA 22773 4778 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3415 3226 CMNET-JIANGSU-AP China Mobile communications co 17561 2379 1904 LCS-AS-AP LARUS Limited, HK 11830 1959 1894 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 23.140.216.0/24 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 23.191.151.0/24 Origin: 400050 RESERVED, ZZ 23.191.151.0/24 Transit: 20473 AS-VULTR - The Constant Company, LLC, 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 /14:579 /15:1077 /16:7481 /17:3506 /18:4205 /19:7715 /20:13328 /21:16135 /22:28993 /23:30103 /24:176519 /25:66 /26:83 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4075 7346 UNINET, MX 39891 3647 4835 ALJAWWALSTC-AS, SA 22773 3051 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2615 14570 AMAZON-02 - Amazon.com, Inc., US 11830 1668 1959 Instituto Costarricense de Electricidad y Telecom., CR 11664 1142 1452 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1075 2517 AS-COLOCROSSING - HostPapa, US 19901 1026 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 930 2084 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 2:518 3:1002 4:1 5:1328 6:180 7:5 8:622 9:7 11:172 12:856 13:623 14:121 15:400 16:143 17:3 18:908 20:366 21:4 22:188 23:2918 24:855 27:18 28:1 29:19 31:460 32:13 34:9 35:184 36:3346 37:635 38:2541 39:862 40:47 41:1108 42:20 43:214 44:26 45:4551 46:903 47:176 48:39 49:21 50:490 51:465 52:1106 54:268 55:1114 56:11 57:27 58:41 59:34 60:14 61:58 62:627 63:690 64:2210 65:998 66:2414 67:1125 68:492 69:1193 70:423 71:142 72:713 74:999 75:266 76:235 77:521 78:553 79:248 80:326 81:419 82:839 83:200 84:345 85:597 86:235 87:194 88:280 89:607 90:98 91:927 92:673 93:930 94:976 95:1293 96:275 97:44 98:377 99:288 100:22 101:26 102:403 103:1176 104:1634 105:170 107:1789 108:523 109:359 110:49 111:2797 112:1301 113:33 114:34 115:7 116:57 117:1636 118:66 119:96 120:2028 121:36 122:43 123:106 124:63 125:21 126:1 128:512 129:372 130:725 131:1256 132:559 133:217 134:516 135:135 136:708 137:599 138:1034 139:455 140:744 141:434 142:1520 143:856 144:513 145:181 146:668 147:501 148:1005 149:745 150:228 151:925 152:834 153:296 154:2380 155:984 156:2094 157:468 158:662 159:836 160:685 161:699 162:983 163:428 164:727 165:651 166:555 167:719 168:1466 169:203 170:1869 171:104 172:1408 173:811 174:269 175:107 176:621 177:1117 178:640 179:876 180:36 181:2582 182:26 183:1717 184:442 185:3263 186:3573 187:1773 188:1026 189:1992 190:6241 191:574 192:5165 193:1699 194:1100 195:924 196:695 197:687 198:2692 199:2480 200:4407 201:3666 202:1051 203:725 204:2208 205:1856 206:1510 207:1718 208:1628 209:2065 210:317 211:512 212:1049 213:878 214:965 215:36 216:2460 217:541 218:669 219:18 220:28 221:537 222:31 223:1695 End of report