IPinfo - Comprehensive IP address data, IP geolocation API and database
Czechia

Czechia

Nearby countries: GermanyPolandHungaryAustriaSlovakia
Map of Czechia

Summary

ASNs
757
IPs
8,616,418 (12% pingable)
Router IPs
32,287
Hosting IPs
2,047,010
Mobile Carriers
3
VPN Providers
24
Registry
RIPE

ASNs in Czechia — 757

AS5610O2 Czech Republic, a.s.isp1,542,400
AS16019Vodafone Czech Republic a.s.isp1,210,368
AS13036T-Mobile Czech Republic a.s.isp958,464
AS2852CESNET z.s.p.o.education849,920
AS44546ALFA TELECOM s.r.o.hosting526,848
AS29208Quantcom, a.s.hosting265,728
AS30764PODA a.s.isp218,112
AS42908ORIGINAL AS CZ-NORDICTELECOMREGIONALisp183,296
AS2571DHL Information Services (Europe) s.r.obusiness154,368
AS28725CETIN a.s.isp133,888
AS16246O2 Czech Republic, a.s.isp133,120
AS25512CD-Telematika a.s.hosting117,760
AS15425PODA a.s.isp110,592
AS25248RADIOKOMUNIKACE a.s.hosting106,752
AS44489STARNET, s.r.o.isp75,520
AS5588T-Mobile Czech Republic a.s.isp74,240
AS197451Brno University of Technologyeducation67,072
AS31246NETBOX Autonomous systemisp66,560
AS12767T-Mobile Czech Republic a.s.isp66,560
AS24971MasterDC s.r.o.hosting58,880

ASN data

ASN details for every IP address and every ASN's related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.

Useful for Cybersecurity

Important Routers in Czechia

72.14.220.118PragueAS15169
185.229.188.243PragueAS60068
185.229.188.241PragueAS60068
185.229.188.112PragueAS60068
74.125.48.222PragueAS15169
94.124.105.210PragueAS42000
109.205.72.161PragueAS35236
141.101.94.35PragueAS13335
141.101.94.37PragueAS13335
62.115.32.255PragueAS1299
185.229.188.83PragueAS60068
217.197.156.1PragueAS42908
185.229.188.87PragueAS60068
194.228.21.249PragueAS5610
72.14.218.112PragueAS15169
74.125.52.254PragueAS15169
185.229.188.81PragueAS60068
81.2.192.94PragueAS24806
81.2.192.90PragueAS24806
81.2.192.82PragueAS24806
81.2.192.86PragueAS24806
185.229.188.85PragueAS60068
82.119.246.26Újezd nad LesyAS29208
185.229.188.137PragueAS60068
185.229.188.141PragueAS60068

ASN data

ASN details for every IP address and every ASN's related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.

Useful for Cybersecurity

Top Cities in Czechia

Prague3,646,88830613,5421.178.198.209
Ostrava1,823,451281,136109.107.195.0
Brno405,55551919104.28.114.8
Podolí278,416244,494109.108.108.118
Kunratice113,66144,315109.238.208.130
Liberec102,937732109.81.187.0
Olomouc95,2681147109.183.76.32
Včelná72,071321160.217.0.0
Kolín70,395695109.108.104.220
Slaný67,752414109.71.208.0

IP Geolocation

Around the globe, industry-leading organizations use IPinfo's geolocation data to create efficient, enjoyable, and secure online experiences for their users. These IP geolocation insights lead to better conversion rates, improved customer satisfaction, and much more with our API that's built for low latency responses.

Useful for Fraud PreventionLocalization

Top Hosting IPs in Czechia

81.2.196.19199,072fidesa.online
46.28.105.2148,349originprague.com
62.109.151.8069,016lomanco-eshop.cz
217.198.116.18856,018brilagi.me
81.95.96.2955,037airkodiak.online
46.28.105.444,897vaszvukar.cz
77.78.104.336,924wabcotour.com
185.184.254.1035,999zdravydomcek.sk
81.2.194.12835,385chatymnichovice.cz
185.184.254.1135,072laskinstudio.eu
185.64.219.3729,948ryplenky.cz
81.91.86.1427,483aapolatrade.cz
31.15.10.3025,637mrfastigheter.se
81.2.196.6017,239e-podlahy.cz
83.167.244.20112,401notar-kunc.cz
46.28.105.312,382missisfazenda.eu
81.31.37.2212,306naukllid.cz
46.8.9.22011,899myaiweightloss.com
46.8.8.22011,820whocalled.co.za
185.8.237.511,386mulatka.cz
185.129.138.20210,855jamesapp.cz
217.198.113.10410,417navekyvekufest.eu
83.167.244.2029,723imapa.eu
217.11.249.1399,128renette.cz
109.123.219.2158,946mohlis.eu

Reverse IP API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address. These domains are ordered based on host.io domain ranking.

Useful for Data Enrichment

Mobile Carriers in Czechia — 3

O2101,37637.188.128.0
T-Mobile39,42437.48.0.0
Vodafone35,07231.30.162.0

Mobile Carrier Detection

Our Mobile Carrier Detection API allows resolution of IP address to carrier, and our database provides information on every mobile IP’s carrier name, country code, and network code.

Useful for CybersecurityData Enrichment

Top VPN Providers in Czechia

NordVPN600185.250.215.1
Private Internet Access264212.102.39.217
CyberGhost166138.199.56.233
ProtonVPN143149.102.235.36
Windscribe33185.216.35.134
IPVanish32216.131.109.10
TunnelBear2145.84.122.21
VyprVPN19128.90.164.10
Torguard10185.189.115.103
VeePN5212.102.38.103

VPN data

Our Privacy Detection API detects various methods used to mask a user's true IP address, including VPN detection, proxy detection, tor, relay usage, or a connection via a hosting provider, which could potentially be used to tunnel traffic, and mask the true IP address.

Useful for Fraud PreventionDigital Media and Entertainment

Pingable IPs

1,002,243 IPs in this country replied to an ICMP ping during our most recent internet scan. Learn more.
109.105.45.189AS12570 O2 Czech Republic, a.s.1.08ms from Brno,  CZ
109.105.53.35AS12570 O2 Czech Republic, a.s.1.00ms from Brno,  CZ
109.105.36.1AS12570 O2 Czech Republic, a.s.1.62ms from Brno,  CZ
89.190.60.1AS12570 O2 Czech Republic, a.s.1.42ms from Brno,  CZ
2a0b:bb41:104d::1AS12570 O2 Czech Republic, a.s.7.96ms from Brno,  CZ
212.4.131.103AS12570 O2 Czech Republic, a.s.8.01ms from Brno,  CZ
213.211.34.105AS12570 O2 Czech Republic, a.s.3.10ms from Brno,  CZ
2a0b:bb41:10cc::1AS12570 O2 Czech Republic, a.s.8.61ms from Brno,  CZ
212.96.175.98AS12570 O2 Czech Republic, a.s.8.15ms from Brno,  CZ
109.105.54.137AS12570 O2 Czech Republic, a.s.1.99ms from Brno,  CZ
212.96.177.212AS12570 O2 Czech Republic, a.s.7.99ms from Brno,  CZ
212.4.138.129AS12570 O2 Czech Republic, a.s.1.05ms from Brno,  CZ
82.142.72.87AS16019 Vodafone Czech Republic a.s.19.59ms from Brno,  CZ
188.175.151.42AS16246 O2 Czech Republic, a.s.9.61ms from Brno,  CZ
188.175.185.116AS16246 O2 Czech Republic, a.s.14.01ms from Brno,  CZ
109.69.209.1AS196815 LAN servis s.r.o.3.30ms from Brno,  CZ
147.229.66.1AS197451 Brno University of Technology0.61ms from Brno,  CZ
147.229.71.88AS197451 Brno University of Technology0.41ms from Brno,  CZ
147.229.216.1AS197451 Brno University of Technology0.43ms from Brno,  CZ
147.229.35.227AS197451 Brno University of Technology0.58ms from Brno,  CZ
80.83.73.237AS21045 K-net Technical International Group, s.r.o.0.38ms from Brno,  CZ
2a03:aca0:8000:1108::103AS215711 The Ministry of Agriculture of the Czech Republic5.34ms from Brno,  CZ
77.93.200.13AS24971 MasterDC s.r.o.0.16ms from Brno,  CZ
194.145.180.135AS24971 MasterDC s.r.o.0.11ms from Brno,  CZ
83.167.238.123AS24971 MasterDC s.r.o.0.18ms from Brno,  CZ

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this country. Learn more.
$ traceroute -a -n -q1 -f3 -m7 137.18.71.50
traceroute to 137.18.71.50 (137.18.71.50): 7 hops max, 52 byte packets
4 [AS12570] 212.96.178.38 1.559 ms
5 *
6 *
7 *
Measurement taken from  IPinfo ProbeNet in Brno, CZ
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