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 Hosting
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
185.68.215.146 AS201594 Czech Telecommunication Office 0.35ms from Prague, CZ
2a05:1c47:0:b::40 AS201594 Czech Telecommunication Office 0.39ms 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
98.180.109.42 AS22773 Cox Communications Inc. 10.86ms from Atlanta, US
100.23.10.106 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
188.6.163.42 AS5483 Magyar Telekom Plc. 0.84ms from Budapest, HU
75.242.237.10 AS6167 Verizon Business 19.71ms from Chicago, US
3.142.132.42 AS16509 Amazon.com, Inc. 0.16ms from Columbus, US
50.217.193.74 AS7922 Comcast Cable Communications, LLC 1.08ms from Denver, US
52.210.92.250 AS16509 Amazon.com, Inc. 0.18ms from Dublin, IE
3.123.152.106 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
20.0.28.106 AS8075 Microsoft Corporation 0.20ms from London, GB
47.12.179.186 AS20115 Charter Communications LLC 11.67ms from Minneapolis, US
45.167.9.58 AS268020 DAMIAO DOS SANTOS PORFIRIO - ME 15.68ms from Osasco, BR
195.0.134.170 AS2116 GLOBALCONNECT AS 1.89ms from Sandefjord, NO
36.103.201.154 AS4134 CHINANET-BACKBONE 0.28ms from Zhongwei, CN
5.25.105.234 AS16135 Turkcell A.S. 19.05ms from Ankara, TR
40.76.203.250 AS8075 Microsoft Corporation 0.43ms from Ashburn, US
76.19.187.122 AS7922 Comcast Cable Communications, LLC 6.51ms from Boston, US
91.82.121.10 AS12301 Invitech ICT Services Kft. 0.65ms from Budapest, HU
73.144.107.250 AS7922 Comcast Cable Communications, LLC 7.40ms from Flint, US
14.226.36.218 AS45899 VNPT Corp 2.31ms from Hanoi, VN
47.56.87.154 AS45102 Alibaba (US) Technology Co., Ltd. 1.04ms from Hong Kong, HK
37.37.155.90 AS42961 Mobile Telecommunications Company K.S.C.P. 6.99ms from Kuwait City, KW
84.125.13.122 AS12430 VODAFONE ESPANA S.A.U. 17.54ms from Madrid, ES
46.146.200.202 AS12768 JSC "ER-Telecom Holding" 16.25ms from Moscow, RU
186.205.213.10 AS28573 Claro NXT Telecomunicacoes Ltda 6.69ms from Rio de Janeiro, BR
12.55.41.26 AS7018 AT&T Enterprises, LLC 2.63ms from San Antonio, 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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