Autonomous System details

AS203208

Czech Telecommunication Office  ·  ctu.cz

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AS203208 – Czech Telecommunication Office

Field Value
Country Czechia
Website ctu.cz
Hosted domains 0
IPv4 addresses 768
IPv6 addresses 554,597,137,599,850,368,000,000,000,000
ASN type Business
Registry ripe
Allocated 10 years ago on Mar 08, 2016
Updated 10 months ago on Jul 04, 2025
Netblock Company Num of IPs
185.68.212.0/23 CTU SOKOLOVSKA 512
185.68.214.0/24 CTU SOKOLOVSKA 256
Netblock Company
2a05:1c40::/30 CTU SOKOLOVSKA
2a05:1c44::/31 CTU SOKOLOVSKA
2a05:1c46::/32 CTU SOKOLOVSKA
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WHOIS Details


                                                ASHandle:       AS203208
                                                OrgID:          AS203208
                                                ASName:         AS203208
                                                ASNumber:       AS203208
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS6855 Slovak Telekom, a.s.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS6855 Slovak Telekom, a.s.
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
2a05:1c40::1 AS203208 Czech Telecommunication Office 1.09ms from Prague, CZ
2a05:1c41::b9:44:d4:82 AS203208 Czech Telecommunication Office 6.95ms from Vienna, AT
185.68.212.2 AS203208 Czech Telecommunication Office 0.80ms 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
178.226.186.8 AS50266 Odido Netherlands B.V. 3.11ms from Amsterdam, NL
35.93.178.232 AS16509 Amazon.com, Inc. 0.52ms from Boardman, US
192.38.145.248 AS9158 Telenor A/S 0.45ms from Copenhagen, DK
122.179.124.168 AS24560 Bharti Airtel Ltd., Telemedia Services 5.96ms from Delhi, IN
223.241.116.168 AS4134 CHINANET-BACKBONE 5.94ms from Huainan, CN
24.120.61.88 AS22773 Cox Communications Inc. 5.58ms from Los Angeles, US
176.118.156.8 AS49711 Flynet Ltd 0.96ms from Minsk, BY
167.8.15.8 AS63167 TEGNA Inc. 1.28ms from Seattle, US
101.88.28.56 AS4812 China Telecom (Group) 2.09ms from Shanghai, CN
171.1.53.168 AS138345 StarHub Ltd 13.52ms from Singapore, SG
52.74.71.136 AS16509 Amazon.com, Inc. 0.13ms from Singapore, SG
36.9.92.56 AS2516 KDDI CORPORATION 18.55ms from Tokyo, JP
87.162.189.200 AS3320 Deutsche Telekom AG 5.11ms from Düsseldorf, DE
91.8.86.248 AS3320 Deutsche Telekom AG 7.17ms from Frankfurt am Main, DE
39.185.225.24 AS56041 China Mobile communications corporation 5.04ms from Hangzhou, CN
14.251.205.168 AS45899 VNPT Corp 1.74ms from Hanoi, VN
70.245.85.8 AS7018 AT&T Enterprises, LLC 1.40ms from Houston, US
1.230.205.232 AS9318 SK Broadband Co Ltd 0.98ms from Incheon, KR
178.205.132.88 AS28840 PJSC TATTELECOM 1.92ms from Kazan, RU
2.138.18.200 AS3352 TELEFONICA DE ESPANA S.A.U. 2.57ms from Madrid, ES
5.40.217.136 AS6739 Vodafone ONO AS 8.61ms from Madrid, ES
86.213.247.232 AS3215 Orange S.A. 11.58ms from Paris, FR
119.118.200.56 AS4837 CHINA UNICOM China169 Backbone 2.17ms from Tieling, CN
115.49.203.136 AS4837 CHINA UNICOM China169 Backbone 3.94ms from Zhengzhou, CN
102.40.61.120 AS8452 TE-AS 7.66ms from Cairo, EG

Traceroute

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

$
traceroute -a -n -q1 -m10 185.68.214.28
traceroute to 185.68.214.28 (185.68.214.28): 10 hops max, 52 byte packets
1 [AS15169] 74.125.252.113 101.952 ms
2 [AS15169] 192.178.252.182 102.699 ms
3 [AS13036] 89.24.86.4 105.398 ms
4 *
5 [AS13036] 194.213.32.133 106.132 ms
6 [AS203208] 185.68.212.2 106.592 ms
7 [AS203208] 185.68.212.1 105.439 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Toronto, CA
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 AS203208 at robtex.

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