BGP Announced

AS CIDR Description
AS2852 147.231.0.0/16 CESNET2 - CESNET z.s.p.o., CZ

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:221)

IP Host DateTime
147.231.20.1 dns.itam.cas.cz 2025-04-14 13:15:54
147.231.20.2 serpi.itam.cas.cz 2025-04-14 13:15:54
147.231.20.3 telc1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.5 mail2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.6 posta.itam.cas.cz 2025-04-14 13:15:54
147.231.20.7 skunk.itam.cas.cz 2025-04-14 13:15:54
147.231.20.8 virt1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.9 prosek-tu.itam.cas.cz 2025-04-14 13:15:54
147.231.20.10 dns2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.11 kolbaba.itam.cas.cz 2025-04-14 13:15:54
147.231.20.12 virt2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.13 narval.itam.cas.cz 2025-04-14 13:15:54
147.231.20.14 handyman.itam.cas.cz 2025-04-14 13:15:54
147.231.20.15 e-rihs.itam.cas.cz 2025-04-14 13:15:54
147.231.20.16 smtp.itam.cas.cz 2025-04-14 13:15:54
147.231.20.17 calcarius.itam.cas.cz 2025-04-14 13:15:54
147.231.20.18 chata.itam.cas.cz 2025-04-14 13:15:54
147.231.20.19 titanic.itam.cas.cz 2025-04-14 13:15:54
147.231.20.20 virt3.itam.cas.cz 2025-04-14 13:15:54
147.231.20.21 linux.itam.cas.cz 2025-04-14 13:15:54
147.231.20.22 oki-color.itam.cas.cz 2025-04-14 13:15:54
147.231.20.23 telc-service.itam.cas.cz 2025-04-14 13:15:54
147.231.20.24 invenio.itam.cas.cz 2025-04-14 13:15:54
147.231.20.25 sophia.itam.cas.cz 2025-04-14 13:15:54
147.231.20.26 pich-p-vrat.itam.cas.cz 2025-04-14 13:15:54
147.231.20.27 shatis22.itam.cas.cz 2025-04-14 13:15:54
147.231.20.28 proxy1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.29 dochazka.itam.cas.cz 2025-04-14 13:15:54
147.231.20.30 telc-virt.itam.cas.cz 2025-04-14 13:15:54
147.231.20.31 atmutia-itam.cas.pasnet.cz 2025-04-14 13:15:54
147.231.20.32 cat-3.itam.cas.cz 2025-04-14 13:15:54
147.231.20.33 karel-gw.itam.cas.cz 2025-04-14 13:15:54
147.231.20.35 pich-p-prist.itam.cas.cz 2025-04-14 13:15:54
147.231.20.36 pich-t-a.itam.cas.cz 2025-04-14 13:15:54
147.231.20.37 pich-t-b.itam.cas.cz 2025-04-14 13:15:54
147.231.20.38 marval.itam.cas.cz 2025-04-14 13:15:54
147.231.20.39 zm.itam.cas.cz 2025-04-14 13:15:54
147.231.20.40 radius1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.42 radius2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.43 ags.itam.cas.cz 2025-04-14 13:15:54
147.231.20.44 dhcp-telc.itam.cas.cz 2025-04-14 13:15:54
147.231.20.50 bionas2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.51 bionas.itam.cas.cz 2025-04-14 13:15:54
147.231.20.58 manta.itam.cas.cz 2025-04-14 13:15:54
147.231.20.60 telc-pc-01.itam.cas.cz 2025-04-14 13:15:54
147.231.20.61 telc-pc-02.itam.cas.cz 2025-04-14 13:15:54
147.231.20.62 telc-pc-03.itam.cas.cz 2025-04-14 13:15:54
147.231.20.63 telc-pc-04.itam.cas.cz 2025-04-14 13:15:54
147.231.20.64 telc-pc-05.itam.cas.cz 2025-04-14 13:15:54
147.231.20.65 telc-pc-06.itam.cas.cz 2025-04-14 13:15:54
147.231.20.67 telc-pc-08.itam.cas.cz 2025-04-14 13:15:54
147.231.20.68 telc-pc-09.itam.cas.cz 2025-04-14 13:15:54
147.231.20.69 telc-pc-10.itam.cas.cz 2025-04-14 13:15:54
147.231.20.70 telc-pc-11.itam.cas.cz 2025-04-14 13:15:54
147.231.20.71 telc-pc-12.itam.cas.cz 2025-04-14 13:15:54
147.231.20.72 telc-pc-13.itam.cas.cz 2025-04-14 13:15:54
147.231.20.73 telc-pc-14.itam.cas.cz 2025-04-14 13:15:54
147.231.20.74 telc-pc-15.itam.cas.cz 2025-04-14 13:15:54
147.231.20.75 telc-pc-16.itam.cas.cz 2025-04-14 13:15:54
147.231.20.76 telc-pc-17.itam.cas.cz 2025-04-14 13:15:54
147.231.20.77 telc-pc-18.itam.cas.cz 2025-04-14 13:15:54
147.231.20.78 telc-pc-19.itam.cas.cz 2025-04-14 13:15:54
147.231.20.79 telc-pc-20.itam.cas.cz 2025-04-14 13:15:54
147.231.20.80 telc-pc-21.itam.cas.cz 2025-04-14 13:15:54
147.231.20.81 telc-pc-22.itam.cas.cz 2025-04-14 13:15:54
147.231.20.82 telc-pc-23.itam.cas.cz 2025-04-14 13:15:54
147.231.20.83 telc-pc-24.itam.cas.cz 2025-04-14 13:15:54
147.231.20.84 telc-pc-25.itam.cas.cz 2025-04-14 13:15:54
147.231.20.85 valnas.itam.cas.cz 2025-04-14 13:15:54
147.231.20.86 wifi-biomech.itam.cas.cz 2025-04-14 13:15:54
147.231.20.87 wifi238.itam.cas.cz 2025-04-14 13:15:54
147.231.20.88 amubase.itam.cas.cz 2025-04-14 13:15:54
147.231.20.90 temp0.itam.cas.cz 2025-04-14 13:15:54
147.231.20.91 temp1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.92 temp2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.93 temp3.itam.cas.cz 2025-04-14 13:15:54
147.231.20.94 temp4.itam.cas.cz 2025-04-14 13:15:54
147.231.20.95 temp5.itam.cas.cz 2025-04-14 13:15:54
147.231.20.96 vpn1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.97 temp7.itam.cas.cz 2025-04-14 13:15:54
147.231.20.98 temp8.itam.cas.cz 2025-04-14 13:15:54
147.231.20.99 temp9.itam.cas.cz 2025-04-14 13:15:54
147.231.20.100 common.itam.cas.cz 2025-04-14 13:15:54
147.231.20.101 wc1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.102 nas-ct.itam.cas.cz 2025-04-14 13:15:54
147.231.20.103 pudilek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.104 radabook.itam.cas.cz 2025-04-14 13:15:54
147.231.20.105 net20-105.itam.cas.cz 2025-04-14 13:15:54
147.231.20.106 net20-106.itam.cas.cz 2025-04-14 13:15:54
147.231.20.107 net20-107.itam.cas.cz 2025-04-14 13:15:54
147.231.20.108 net20-108.itam.cas.cz 2025-04-14 13:15:54
147.231.20.109 net20-109.itam.cas.cz 2025-04-14 13:15:54
147.231.20.110 naprstek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.111 shota.itam.cas.cz 2025-04-14 13:15:54
147.231.20.112 videopc.itam.cas.cz 2025-04-14 13:15:54
147.231.20.113 micka.itam.cas.cz 2025-04-14 13:15:54
147.231.20.114 jirova2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.115 jirova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.116 net20-116.itam.cas.cz 2025-04-14 13:15:54
147.231.20.117 fischero.itam.cas.cz 2025-04-14 13:15:54
147.231.20.118 fiala.itam.cas.cz 2025-04-14 13:15:54
147.231.20.119 knihovna.itam.cas.cz 2025-04-14 13:15:54
147.231.20.120 net20-120.itam.cas.cz 2025-04-14 13:15:54
147.231.20.121 bioraspi1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.122 hlavacek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.123 feda.itam.cas.cz 2025-04-14 13:15:54
147.231.20.124 fryba.itam.cas.cz 2025-04-14 13:15:54
147.231.20.125 koudak-carbon.itam.cas.cz 2025-04-14 13:15:54
147.231.20.126 herle.itam.cas.cz 2025-04-14 13:15:54
147.231.20.127 kytyr-book.itam.cas.cz 2025-04-14 13:15:54
147.231.20.128 kratena.itam.cas.cz 2025-04-14 13:15:54
147.231.20.129 minster.itam.cas.cz 2025-04-14 13:15:54
147.231.20.130 hrabos.itam.cas.cz 2025-04-14 13:15:54
147.231.20.131 sysel.itam.cas.cz 2025-04-14 13:15:54
147.231.20.132 zornerov.itam.cas.cz 2025-04-14 13:15:54
147.231.20.133 pirner.itam.cas.cz 2025-04-14 13:15:54
147.231.20.134 drdackyxp.itam.cas.cz 2025-04-14 13:15:54
147.231.20.135 skaloud.itam.cas.cz 2025-04-14 13:15:54
147.231.20.136 itam136.itam.cas.cz 2025-04-14 13:15:54
147.231.20.137 itam137.itam.cas.cz 2025-04-14 13:15:54
147.231.20.138 vokoun.itam.cas.cz 2025-04-14 13:15:54
147.231.20.139 valach.itam.cas.cz 2025-04-14 13:15:54
147.231.20.140 zemankov.itam.cas.cz 2025-04-14 13:15:54
147.231.20.141 fischerc.itam.cas.cz 2025-04-14 13:15:54
147.231.20.143 net20-143.itam.cas.cz 2025-04-14 13:15:54
147.231.20.144 net20-144.itam.cas.cz 2025-04-14 13:15:54
147.231.20.145 net20-145.itam.cas.cz 2025-04-14 13:15:54
147.231.20.146 net20-146.itam.cas.cz 2025-04-14 13:15:54
147.231.20.147 hadacova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.148 kalvacho.itam.cas.cz 2025-04-14 13:15:54
147.231.20.149 ondrej-book.itam.cas.cz 2025-04-14 13:15:54
147.231.20.150 matousko.itam.cas.cz 2025-04-14 13:15:54
147.231.20.151 samarkova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.152 net20-152.itam.cas.cz 2025-04-14 13:15:54
147.231.20.153 shota.itam.cas.cz 2025-04-14 13:15:54
147.231.20.155 net20-155.itam.cas.cz 2025-04-14 13:15:54
147.231.20.156 biomech5.itam.cas.cz 2025-04-14 13:15:54
147.231.20.157 knihovna.itam.cas.cz 2025-04-14 13:15:54
147.231.20.158 net20-158.itam.cas.cz 2025-04-14 13:15:54
147.231.20.159 doubkova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.160 matouskova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.161 pospisil.itam.cas.cz 2025-04-14 13:15:54
147.231.20.162 koudak-lambo.itam.cas.cz 2025-04-14 13:15:54
147.231.20.163 shota-nb2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.164 net20-164.itam.cas.cz 2025-04-14 13:15:54
147.231.20.165 portable.itam.cas.cz 2025-04-14 13:15:54
147.231.20.167 vala.itam.cas.cz 2025-04-14 13:15:54
147.231.20.168 lesak.itam.cas.cz 2025-04-14 13:15:54
147.231.20.169 plchova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.170 net20-170.itam.cas.cz 2025-04-14 13:15:54
147.231.20.171 biomech2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.172 net20-172.itam.cas.cz 2025-04-14 13:15:54
147.231.20.173 net20-173.itam.cas.cz 2025-04-14 13:15:54
147.231.20.174 net20-174.itam.cas.cz 2025-04-14 13:15:54
147.231.20.175 jirousek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.177 net20-177.itam.cas.cz 2025-04-14 13:15:54
147.231.20.178 ondrej-ubook.itam.cas.cz 2025-04-14 13:15:54
147.231.20.179 net20-179.itam.cas.cz 2025-04-14 13:15:54
147.231.20.180 tb-vista.itam.cas.cz 2025-04-14 13:15:54
147.231.20.181 net20-181.itam.cas.cz 2025-04-14 13:15:54
147.231.20.182 fikackova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.183 net20-183.itam.cas.cz 2025-04-14 13:15:54
147.231.20.184 net20-184.itam.cas.cz 2025-04-14 13:15:54
147.231.20.185 leoprd.itam.cas.cz 2025-04-14 13:15:54
147.231.20.186 biox231.itam.cas.cz 2025-04-14 13:15:54
147.231.20.187 brontosaurus.itam.cas.cz 2025-04-14 13:15:54
147.231.20.188 civil.itam.cas.cz 2025-04-14 13:15:54
147.231.20.189 cade.itam.cas.cz 2025-04-14 13:15:54
147.231.20.190 net20-190.itam.cas.cz 2025-04-14 13:15:54
147.231.20.191 net20-191.itam.cas.cz 2025-04-14 13:15:54
147.231.20.192 valbook.itam.cas.cz 2025-04-14 13:15:54
147.231.20.193 korous.itam.cas.cz 2025-04-14 13:15:54
147.231.20.194 blackbox-small.itam.cas.cz 2025-04-14 13:15:54
147.231.20.195 bioitx1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.196 biomech4.itam.cas.cz 2025-04-14 13:15:54
147.231.20.197 lucia.itam.cas.cz 2025-04-14 13:15:54
147.231.20.198 net20-198.itam.cas.cz 2025-04-14 13:15:54
147.231.20.199 net20-199.itam.cas.cz 2025-04-14 13:15:54
147.231.20.206 gajdos2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.207 sperl.itam.cas.cz 2025-04-14 13:15:54
147.231.20.208 pirner2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.209 drdacky2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.210 jirovsky.itam.cas.cz 2025-04-14 13:15:54
147.231.20.211 zima.itam.cas.cz 2025-04-14 13:15:54
147.231.20.212 italia.itam.cas.cz 2025-04-14 13:15:54
147.231.20.213 lesak-nb.itam.cas.cz 2025-04-14 13:15:54
147.231.20.214 vrr.itam.cas.cz 2025-04-14 13:15:54
147.231.20.215 eds.itam.cas.cz 2025-04-14 13:15:54
147.231.20.216 pospibook.itam.cas.cz 2025-04-14 13:15:54
147.231.20.217 sykorova.itam.cas.cz 2025-04-14 13:15:54
147.231.20.218 vega.itam.cas.cz 2025-04-14 13:15:54
147.231.20.219 drdacka.itam.cas.cz 2025-04-14 13:15:54
147.231.20.220 net20-220.itam.cas.cz 2025-04-14 13:15:54
147.231.20.221 serpi.itam.cas.cz 2025-04-14 13:15:54
147.231.20.223 shota-nb.itam.cas.cz 2025-04-14 13:15:54
147.231.20.224 drdackyt.itam.cas.cz 2025-04-14 13:15:54
147.231.20.225 valek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.226 matousa.itam.cas.cz 2025-04-14 13:15:54
147.231.20.227 net20-227.itam.cas.cz 2025-04-14 13:15:54
147.231.20.229 buchacek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.230 civil2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.231 hodrment.itam.cas.cz 2025-04-14 13:15:54
147.231.20.233 net20-233.itam.cas.cz 2025-04-14 13:15:54
147.231.20.234 net20-234.itam.cas.cz 2025-04-14 13:15:54
147.231.20.235 mil.itam.cas.cz 2025-04-14 13:15:54
147.231.20.236 rada.itam.cas.cz 2025-04-14 13:15:54
147.231.20.237 shota1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.238 nb-fryba.itam.cas.cz 2025-04-14 13:15:54
147.231.20.240 buzek.itam.cas.cz 2025-04-14 13:15:54
147.231.20.241 dewetron.itam.cas.cz 2025-04-14 13:15:54
147.231.20.243 nb-racer.itam.cas.cz 2025-04-14 13:15:54
147.231.20.245 nw1.itam.cas.cz 2025-04-14 13:15:54
147.231.20.246 hracov.itam.cas.cz 2025-04-14 13:15:54
147.231.20.247 cyribook.itam.cas.cz 2025-04-14 13:15:54
147.231.20.248 utam73.itam.cas.cz 2025-04-14 13:15:54
147.231.20.249 biomech3.itam.cas.cz 2025-04-14 13:15:54
147.231.20.250 net20-250.itam.cas.cz 2025-04-14 13:15:54
147.231.20.251 net20-251.itam.cas.cz 2025-04-14 13:15:54
147.231.20.252 owncloud.itam.cas.cz 2025-04-14 13:15:54
147.231.20.253 vpn2.itam.cas.cz 2025-04-14 13:15:54
147.231.20.254 samba.itam.cas.cz 2025-04-14 13:15:54

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31338 1464787689 3459710356383736914
Brazil 9025 86342352 28775315443714
China 6572 346932644 147438814244464
India 5950 35528192 24461913411584
Russian Federation 5751 46705584 10701498396744
Indonesia 3566 17864192 1221885493248
United Kingdom 3102 72794720 31041266843648
Germany 3100 112794632 69685730607104
Australia 3010 40570160 20518571087616
Poland 2465 19489792 15495681217536
Canada 2437 54401896 4494168818944
France 2201 75288320 12239017281024
Ukraine 2006 8483328 5322933338112
Bangladesh 1866 1899264 900172283904
Netherlands 1598 51391952 27358805427712
Italy 1295 52400512 28616786116608
Argentina 1295 19701248 18776454463488
Hong Kong 1278 17811908 7879956824832
Japan 1266 159053416 33553551065088
Spain 1236 34559232 7530784034816