Autonomous System details

AS201594

Czech Telecommunication Office  ·  ctu.cz

Czechia

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AS201594 – Czech Telecommunication Office

Field Value
Country Czechia
Website ctu.cz
Hosted domains 1
IPv4 addresses 256
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Business
Registry ripe
Allocated 11 years ago on Sep 12, 2014
Updated 5 months ago on Jul 04, 2025

IP Ranges

Netblock Company Num of IPs
185.68.215.0/24 CTU CZ.NIC 256
Netblock Company
2a05:1c47::/32 CTU CZ.NIC
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WHOIS Details

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                                                ASHandle:       AS201594
                                                OrgID:          AS201594
                                                ASName:         AS201594
                                                ASNumber:       AS201594
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
185.68.215.40 ██████████ 1

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Peers

There are 23 peers for this ASN.

Peers Name
AS14840 BR.Digital Telecom
AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS198150 SIACOM JSC
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS22356 Durand do Brasil Ltda
AS24482 SG.GS
AS25248 RADIOKOMUNIKACE a.s.
AS263444 Open X Tecnologia Ltda
AS29504 Freenet Liberec, z.s.
AS32590 Valve Corporation
AS36236 NetActuate, Inc
AS39120 Convergenze S.p.A.
AS40994 Hohl IT e.U.
AS4455 IX Reach Ltd
AS49544 i3D.net B.V
AS53062 ALT | GRUPO BRASIL TECPAR
AS5405 Inter.link GmbH
AS57463 NetIX Communications JSC
AS6204 INTERKVM HOST SRL
AS6663 Euroweb Romania S.R.L.
AS6881 NIX.CZ z.s.p.o.
AS6939 Hurricane Electric LLC
AS8218 Zayo Infrastructure France SA
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS25248 RADIOKOMUNIKACE a.s.
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

2 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
2a05:1c47:0:b::42 AS201594 Czech Telecommunication Office 0.28ms from Prague, CZ
185.68.215.146 AS201594 Czech Telecommunication Office 0.36ms from Prague, CZ

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
192.142.39.26 AS214120 LOGIC INFOTECH ELECTRICAL SPARE PARTS TRADING L.L.C. 0.47ms from Amsterdam, NL
69.250.233.42 AS7922 Comcast Cable Communications, LLC 5.25ms from Ashburn, US
73.200.186.10 AS7922 Comcast Cable Communications, LLC 5.78ms from Ashburn, US
76.21.144.58 AS7922 Comcast Cable Communications, LLC 6.56ms from Ashburn, US
67.158.130.154 AS22647 Fidium 11.75ms from Atlanta, US
108.75.144.202 AS7018 AT&T Enterprises, LLC 4.22ms from Atlanta, US
74.197.66.122 AS19108 Optimum 11.65ms from Dallas, US
98.123.130.218 AS10796 Charter Communications Inc 8.00ms from Flint, US
98.209.146.26 AS7922 Comcast Cable Communications, LLC 8.78ms from Flint, US
217.87.172.58 AS3320 Deutsche Telekom AG 8.46ms from Frankfurt am Main, DE
12.198.73.186 AS7018 AT&T Enterprises, LLC 1.66ms from Houston, US
85.99.117.218 AS9121 Turk Telekomunikasyon Anonim Sirketi 7.85ms from Istanbul, TR
209.51.43.106 AS27501 isp.net 2.21ms from Las Vegas, US
81.56.144.218 AS29447 SCALEWAY S.A.S. 6.35ms from Naples, IT
122.227.17.218 AS4134 CHINANET-BACKBONE 5.71ms from Ningbo, CN
86.196.101.106 AS3215 Orange S.A. 5.55ms from Paris, FR
218.79.199.218 AS4812 China Telecom (Group) 2.22ms from Shanghai, CN
185.245.1.58 AS214785 369 IntoNet Limited 0.33ms from Stockholm, SE
116.90.63.170 AS55803 Hostopia Australia Web Pty Ltd 0.75ms from Sydney, AU
20.188.25.106 AS8075 Microsoft Corporation 0.16ms from Tokyo, JP
8.142.186.138 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.21ms from Zhangjiakou, CN
155.166.133.90 AS20057 AT&T Enterprises, LLC 17.46ms from Ashburn, US
197.79.49.154 AS37611 AFRIHOST SP (PTY) LTD 16.27ms from Cape Town, ZA
76.92.132.74 AS11427 Charter Communications Inc 13.94ms from Dallas, US
166.193.98.202 AS20057 AT&T Enterprises, LLC 6.03ms from Dallas, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 185.68.215.179
traceroute to 185.68.215.179 (185.68.215.179): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Prague, CZ
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS201594 at robtex.

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