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

Czechia

Nearby countries: GermanyPolandHungaryAustriaSlovakia
Map of Czechia

Summary

ASNs
745
IPs
8,573,502 (12% pingable)
Router IPs
30,897
Hosting IPs
2,046,032
Mobile Carriers
5
VPN Providers
22
Registry
RIPE

ASNs in Czechia — 745

AS5610O2 Czech Republic, a.s.isp1,542,912
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.isp526,848
AS29208Quantcom, a.s.isp255,488
AS30764PODA a.s.isp222,208
AS42908ORIGINAL AS CZ-NORDICTELECOMREGIONALisp183,296
AS2571DHL Information Services (Europe) s.r.obusiness154,624
AS28725CETIN a.s.isp133,888
AS16246O2 Czech Republic, a.s.isp133,120
AS25512CD-Telematika a.s.isp117,760
AS15425PODA a.s.isp110,592
AS25248RADIOKOMUNIKACE a.s.hosting106,752
AS44489STARNET, s.r.o.isp75,520
AS5588T-Mobile Czech Republic a.s.isp73,984
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

89.24.145.107PragueAS13036
72.14.220.118PragueAS15169
185.229.188.243PragueAS60068
185.229.188.112PragueAS60068
109.205.72.161PragueAS35236
94.124.105.210PragueAS42000
72.14.213.152PragueAS15169
185.229.188.241PragueAS60068
185.229.188.83PragueAS60068
185.229.188.87PragueAS60068
62.115.32.255PragueAS1299
141.101.94.35PragueAS13335
141.101.94.37PragueAS13335
217.197.156.1PragueAS42908
74.125.48.222PragueAS15169
185.229.188.49PragueAS60068
185.229.188.85PragueAS60068
194.228.21.249PragueAS5610
185.229.188.137PragueAS60068
185.229.188.81PragueAS60068
82.119.246.109PragueAS29208
185.229.188.135PragueAS60068
81.2.192.82PragueAS24806
81.2.192.90PragueAS24806
81.2.192.94PragueAS24806

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

Prague3,365,32228312,588103.119.108.0
Ostrava2,580,100321,208109.107.192.0
Brno286,13149851104.28.114.8
Podolí218,193224,280109.108.108.118
Kunratice78,96544,414109.238.208.130
Frýdek-Místek64,526780109.183.181.128
Zlín63,2836165109.183.88.0
Stodůlky55,55181,513109.107.193.91
Nový Jičín48,283588109.224.64.0
Liberec43,135833109.164.54.0

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

46.28.105.2135,893smart-termostaty.cz
81.2.196.19120,279al-fakher.cz
81.2.194.12898,853venkovnihrazda.cz
81.95.96.2971,526sigut-lab.eu
62.109.151.8065,090arena-mattoni.cz
217.198.116.18853,381radekstanek.eu
46.28.105.445,243sexseznameni.cz
77.78.104.336,740bruderland.it
185.184.254.1033,082happybuddha.cz
185.184.254.1132,270ol-be.eu
185.64.219.3731,9113koshop.cz
81.91.86.1426,506garazove-vrata.cz
31.15.10.3025,465lindbergadv.se
81.2.196.6023,136globaltech.sk
46.8.8.20021,990politiblog.cz
46.28.105.312,439autosdileni.cz
81.31.37.2212,068gastrobazarpraha.cz
83.167.244.20112,037vespaexpresfood.cz
185.129.138.20210,685vuzarost.cz
217.198.113.10410,277gynekologieunhost.cz
83.167.244.2029,521kosmetika-vladana.cz
217.11.249.1399,014stacycruz.net
46.8.8.2208,765nz-heralds.com
46.8.9.2208,726kynectrum-app.com
185.129.138.608,510domiliskova.cz

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 — 5

O2107,00837.188.128.0
Vodafone42,49631.30.173.0
T-Mobile40,70437.48.0.0
Telekom162.153.89.11
DIGI mobil179.117.90.176

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

NordVPN617130.193.15.79
ProtonVPN89149.102.235.33
Mullvad51146.70.129.164
Private Internet Access50212.102.39.131
FastVPN32216.131.109.13
TunnelBear2145.84.122.21
VyprVPN20128.90.164.1
VeePN6193.9.112.202
FrootVPN5217.138.199.210
Anonine VPN5217.138.199.210

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

1,006,920 IPs in this country replied to an ICMP ping during our most recent internet scan. Learn more.
212.4.144.30AS12570 O2 Czech Republic, a.s.3.23ms from Brno,  CZ
213.211.43.129AS12570 O2 Czech Republic, a.s.1.65ms from Brno,  CZ
89.190.42.1AS12570 O2 Czech Republic, a.s.2.08ms from Brno,  CZ
2a0b:bb41:9055::1AS12570 O2 Czech Republic, a.s.8.73ms from Brno,  CZ
80.78.144.246AS12570 O2 Czech Republic, a.s.3.13ms from Brno,  CZ
147.229.189.194AS197451 Brno University of Technology0.47ms from Brno,  CZ
185.59.145.238AS207167 mapnet IT services s.r.o.0.16ms from Brno,  CZ
185.85.164.118AS24971 MasterDC s.r.o.0.13ms from Brno,  CZ
194.145.182.172AS24971 MasterDC s.r.o.0.17ms from Brno,  CZ
185.58.41.28AS24971 MasterDC s.r.o.0.18ms from Brno,  CZ
77.93.222.61AS24971 MasterDC s.r.o.0.18ms from Brno,  CZ
185.137.124.1AS34049 wosa.cz0.21ms from Brno,  CZ
240e:450:a60c:ccfb:c82:eff4:fa55:94cdAS4134 CHINANET-BACKBONE307.56ms from Brno,  CZ
80.82.19.154AS42927 S-NET Sp. z o.o.5.21ms from Brno,  CZ
79.175.215.16AS44061 SAT-MONT-SERVICE JACEK MRUK, KRZYSZTOF MRUK Sp. z o.o.8.93ms from Brno,  CZ
45.136.134.1AS51876 COMCRAFT s. r. o.0.37ms from Brno,  CZ
188.167.194.121AS6830 Liberty Global Europe Holding B.V.3.24ms from Brno,  CZ
89.173.224.1AS6830 Liberty Global Europe Holding B.V.3.10ms from Brno,  CZ
89.173.72.1AS6830 Liberty Global Europe Holding B.V.3.07ms from Brno,  CZ
188.167.136.1AS6830 Liberty Global Europe Holding B.V.3.09ms from Brno,  CZ
2001:1aeb:a02:7400:e493:6723:59a5:da37AS13036 T-Mobile Czech Republic a.s.7.72ms from Ceske Budejovice,  CZ
31.31.74.2AS197019 WEDOS Internet, a.s.0.15ms from Ceske Budejovice,  CZ
195.146.104.106AS25512 CD-Telematika a.s.0.21ms from Ceske Budejovice,  CZ
185.119.96.18AS12344 CZECH IT CLUSTER, druzstvo7.62ms from Prague,  CZ
2001:bf0:a::1AS12732 GutCon GmbH5.86ms from Prague,  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 -m12 208.43.55.77
traceroute to 208.43.55.77 (208.43.55.77): 12 hops max, 52 byte packets
3 [AS24971] 83.167.254.190 10.556 ms
5 *
6 *
7 *
8 *
9 [AS36351] 50.97.17.48 106.031 ms
10 *
11 *
12 *
Measurement taken from  IPinfo ProbeNet in Brno, CZ
On