Autonomous System details

AS204064

CEZNET s.r.o.  ·  ceznet.cz

Czechia

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

AS204064 – CEZNET s.r.o.

Field Value
Country Czechia
Website ceznet.cz
Hosted domains 10
IPv4 addresses 4,096
IPv6 addresses 633,825,300,114,114,700,000,000,000,000
ASN type ISP
Registry ripe
Allocated 11 years ago on Sep 03, 2015
Updated 8 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
185.115.180.0/22 CEZNET s.r.o. 1,024
185.116.48.0/22 CEZNET s.r.o. 1,024
185.151.172.0/22 TAN 1,024
185.201.12.0/22 CEZNET s.r.o. 1,024
185.116.51.0/24 ISP Alliance 256
Netblock Company
2a07:7a00::/29 CEZNET s.r.o.
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
IP Ranges API

WHOIS Details

Join for free to view WHOIS details › 

                                                ASHandle:       AS204064
                                                OrgID:          AS204064
                                                ASName:         AS204064
                                                ASNumber:       AS204064
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
Get this data and more with IPinfo's WHOIS product - effortless access to POCs, ORGs, and Networks, for actionable intelligence.
IP WHOIS API & Database

Hosted Domains

There are 10 domain names hosted across 5 IP addresses on this ASN.

Join for free to explore hosted domains ›
IP Address Domain Domains on this IP
185.151.174.67 ██████████ 4
185.151.172.79 ██████████ 1
185.151.175.71 ██████████ 1
185.151.175.84 ████████ 1
185.151.173.234 ██████████ 1

Discover all domains hosted on a single IP address with IPinfo's powerful Hosted Domains (Reverse IP) solution.
Useful for Cybersecurity
Hosted Domains API & Database

Peers

There are 2 peers for this ASN.

Peers Name
AS47232 ISP Alliance a.s.
AS51424 Jiri Sperl
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS47232 ISP Alliance a.s.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS51424 Jiri Sperl
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Pingable IPs

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

IP Address ASN Details
185.201.12.81 AS204064 CEZNET s.r.o. 3.43ms from Prague, CZ
2a07:7a00:3402:99::1 AS204064 CEZNET s.r.o. 5.15ms from Prague, CZ
185.151.175.121 AS204064 CEZNET s.r.o. 3.20ms from Prague, CZ
2a07:7a01:4100:0:e848:b8ff:fe62:7224 AS204064 CEZNET s.r.o. 4.01ms from Prague, CZ
185.201.13.31 AS204064 CEZNET s.r.o. 3.36ms from Prague, CZ
2a07:7a01:3401:0:1027:f5ff:feff:c03e AS204064 CEZNET s.r.o. 4.37ms from Prague, CZ
2a07:7a01:3202:0:e848:b8ff:fe62:5c5b AS204064 CEZNET s.r.o. 4.30ms from Prague, CZ
185.151.172.22 AS204064 CEZNET s.r.o. 3.26ms from Prague, CZ
185.116.49.221 AS204064 CEZNET s.r.o. 4.35ms from Prague, CZ
2a07:7a01:f7ea:2::16 AS204064 CEZNET s.r.o. 3.39ms from Prague, CZ
185.115.181.1 AS204064 CEZNET s.r.o. 3.63ms from Prague, CZ
185.201.15.113 AS204064 CEZNET s.r.o. 3.55ms from Prague, CZ
185.201.14.30 AS204064 CEZNET s.r.o. 3.36ms from Prague, CZ
2a07:7a01:3800:0:e848:b8ff:fe62:67a1 AS204064 CEZNET s.r.o. 4.39ms from Prague, CZ
2a07:7a00:4100:301:76e6:b8ff:fe5b:349f AS204064 CEZNET s.r.o. 6.51ms from Prague, CZ
2a07:7a01:4101:0:e848:b8ff:fe62:5694 AS204064 CEZNET s.r.o. 4.23ms from Prague, CZ
185.151.174.58 AS204064 CEZNET s.r.o. 3.23ms from Prague, CZ
2a07:7a00:3202:800:446:2b4:b4b9:4160 AS204064 CEZNET s.r.o. 9.82ms from Ceske Budejovice, CZ
185.115.183.13 AS204064 CEZNET s.r.o. 3.28ms from Prague, CZ
185.116.51.65 AS204064 CEZNET s.r.o. 0.14ms from Prague, CZ
185.115.180.77 AS204064 CEZNET s.r.o. 2.97ms from Brno, CZ
185.151.173.224 AS204064 CEZNET s.r.o. 3.24ms 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
48.202.154.0 AS8075 Microsoft Corporation 0.47ms from Ashburn, US
172.13.199.0 AS7018 AT&T Enterprises, LLC 8.71ms from Chicago, US
27.114.148.240 AS7642 DHIVEHI RAAJJEYGE GULHUN PLC 1.88ms from Male, MV
68.205.228.128 AS33363 Charter Communications, Inc 5.91ms from Orlando, US
177.99.229.144 AS18881 TELEFÔNICA BRASIL S.A 8.26ms from Rio de Janeiro, BR
206.15.252.16 AS395226 Sacramento County Office of Education 3.83ms from San Jose, US
181.120.53.80 AS23201 Telecel S.A. 13.93ms from Asuncion, PY
117.215.193.144 AS9829 National Internet Backbone 11.64ms from Bengaluru, IN
24.9.4.32 AS7922 Comcast Cable Communications, LLC 3.32ms from Denver, US
52.48.51.48 AS16509 Amazon.com, Inc. 0.27ms from Dublin, IE
121.183.69.176 AS4766 Korea Telecom 5.40ms from Incheon, KR
222.221.72.224 AS4134 CHINANET BACKBONE 5.26ms from Kunming, CN
89.115.98.112 AS12353 Vodafone Portugal 2.89ms from Lisbon, PT
93.64.112.0 AS30722 Fastweb SpA 8.24ms from Milan, IT
122.29.246.192 AS4713 NTT DOCOMO BUSINESS,Inc. 19.18ms from Osaka, JP
45.184.120.0 AS269459 PROVEDOR RODRIGUES FERREIRA LTDA 14.53ms from Osasco, BR
32.195.209.128 AS14618 Amazon.com, Inc. 0.17ms from Reston, US
45.174.180.0 AS268866 JettCom Telecomunicações LTDA 0.84ms from Sao Paulo, BR
100.23.20.16 AS16509 Amazon.com, Inc. 0.35ms from Boardman, US
135.222.159.208 AS8075 Microsoft Corporation 0.22ms from Boydton, US
76.157.181.160 AS7922 Comcast Cable Communications, LLC 7.05ms from Chicago, US
158.223.193.0 AS786 Jisc Services Limited 1.82ms from London, GB
67.126.168.48 AS7018 AT&T Enterprises, LLC 1.79ms from Los Angeles, US
210.130.35.64 AS2497 Internet Initiative Japan Inc. 2.86ms from Osaka, JP
202.224.63.240 AS4685 Asahi Net 0.26ms from Osaka, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 185.151.173.233
traceroute to 185.151.173.233 (185.151.173.233): 64 hops max, 52 byte packets
2 [] 91.210.16.109 1.063 ms
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 AS204064 at robtex.

Data built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales
IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs