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

Czechia

Nearby countries: GermanyPolandHungaryAustriaSlovakia
Map of Czechia

Summary

ASNs
748
IPs
8,597,562 (12% pingable)
Router IPs
31,860
Hosting IPs
2,040,460
Mobile Carriers
3
VPN Providers
27
Registry
RIPE

ASNs in Czechia — 748

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.isp526,848
AS29208Quantcom, a.s.isp265,728
AS30764PODA a.s.isp222,208
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.isp117,760
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

89.24.145.107PragueAS13036
185.229.188.241PragueAS60068
185.229.188.243PragueAS60068
185.229.188.112PragueAS60068
74.125.48.222PragueAS15169
94.124.105.210PragueAS42000
109.205.72.161PragueAS35236
72.14.213.152PragueAS15169
74.125.52.254PragueAS15169
72.14.220.118PragueAS15169
141.101.94.35PragueAS13335
72.14.218.112PragueAS15169
141.101.94.37PragueAS13335
185.229.188.83PragueAS60068
185.229.188.87PragueAS60068
62.115.32.255PragueAS1299
217.197.156.1PragueAS42908
185.229.188.49PragueAS60068
194.228.21.249PragueAS5610
81.2.192.82PragueAS24806
213.168.186.171PragueAS15614
185.229.188.85PragueAS60068
185.229.188.81PragueAS60068
185.229.188.137PragueAS60068
88.86.96.145PragueAS39392

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

Prague3,477,91428613,310103.17.6.0
Ostrava1,882,718341,421109.107.195.0
Brno394,45649871104.28.114.8
Podolí261,209274,397109.105.48.45
Olomouc204,7691154109.108.100.0
Kunratice114,33844,307109.238.208.130
Liberec100,9731041109.81.187.0
Havířov71,885736109.183.183.128
Včelná71,434315160.217.0.0
Slaný68,70838109.71.208.0

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

46.28.105.2137,354podradlickymlesem.cz
81.2.196.19121,624goldfm.cloud
81.2.194.12898,618intvill.hu
81.95.96.2967,797skidbelt.de
62.109.151.8065,848ashrambeskydy.cz
217.198.116.18853,965mojepredsevzeti.cz
46.28.105.445,055sestra-online.cz
77.78.104.336,824ustecke-nemovitosti.cz
185.184.254.1034,048matany.cz
185.184.254.1133,055adventure-rally.cz
185.64.219.3731,381cbelektrokola.cz
81.91.86.1426,699flavolymf.com
31.15.10.3025,476buyby.store
81.2.196.6022,126dverezlin.eu
46.8.8.20022,066igrily.cz
46.28.105.312,426stare-tisky-ceske.cz
81.31.37.2212,111vitano.pl
83.167.244.20112,106tomaspetrlik.cz
185.129.138.20210,887nanowood.cz
217.198.113.10410,337chemoskanaraka.cz
83.167.244.2029,566explodingatoms.com
217.11.249.1399,029krouzkyproseniory.cz
109.123.219.2158,514pradelnaperi.cz
185.129.138.608,429rewatt.cz
46.8.8.2208,393sikayetinmerkezi-60.sbs

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

O2106,49537.188.128.0
Vodafone41,21531.30.172.0
T-Mobile38,91237.48.0.0

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

Private Internet Access540212.102.39.131
NordVPN420185.250.215.136
CyberGhost187138.199.56.225
ProtonVPN143149.102.235.33
Windscribe134149.40.61.197
Mullvad70146.70.129.164
Surfshark43185.152.64.171
FastVPN32216.131.109.13
TunnelBear2145.84.122.21
Torguard20185.189.115.103

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

997,940 IPs in this country replied to an ICMP ping during our most recent internet scan. Learn more.
2001:4ba8:203::2AS12570 O2 Czech Republic, a.s.1.68ms from Brno,  CZ
212.96.175.95AS12570 O2 Czech Republic, a.s.8.17ms from Brno,  CZ
80.78.152.240AS12570 O2 Czech Republic, a.s.2.91ms from Brno,  CZ
212.96.163.244AS12570 O2 Czech Republic, a.s.0.81ms from Brno,  CZ
109.105.52.1AS12570 O2 Czech Republic, a.s.1.89ms from Brno,  CZ
147.229.252.116AS197451 Brno University of Technology0.25ms from Brno,  CZ
147.229.212.1AS197451 Brno University of Technology0.41ms from Brno,  CZ
147.229.35.227AS197451 Brno University of Technology0.60ms from Brno,  CZ
147.229.87.240AS197451 Brno University of Technology0.59ms from Brno,  CZ
147.229.180.1AS197451 Brno University of Technology0.43ms from Brno,  CZ
147.229.20.129AS197451 Brno University of Technology0.49ms from Brno,  CZ
147.229.155.12AS197451 Brno University of Technology0.41ms from Brno,  CZ
147.229.76.137AS197451 Brno University of Technology0.54ms from Brno,  CZ
2a0c:7340:1::219AS204886 Metropolitni sit Humpolec spol. s r.o.3.37ms from Brno,  CZ
213.194.251.1AS207187 TKR Jasek, s.r.o.13.77ms from Brno,  CZ
80.83.78.1AS21045 K-net Technical International Group, s.r.o.0.27ms from Brno,  CZ
80.83.73.237AS21045 K-net Technical International Group, s.r.o.0.42ms from Brno,  CZ
185.146.4.109AS24641 FASTER CZ spol. s r.o.0.28ms from Brno,  CZ
77.240.182.82AS24641 FASTER CZ spol. s r.o.0.36ms from Brno,  CZ
79.175.232.1AS44061 SAT-MONT-SERVICE JACEK MRUK, KRZYSZTOF MRUK Sp. z o.o.5.14ms from Brno,  CZ
178.217.116.60AS51101 Marceli Kaczo trading as Rewolucja-NET6.96ms from Brno,  CZ
178.217.115.115AS51101 Marceli Kaczo trading as Rewolucja-NET6.98ms from Brno,  CZ
178.217.112.126AS51101 Marceli Kaczo trading as Rewolucja-NET6.99ms from Brno,  CZ
89.173.61.187AS6830 Liberty Global B.V.13.13ms from Brno,  CZ
89.173.20.1AS6830 Liberty Global B.V.4.48ms 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 55.55.131.89
traceroute to 55.55.131.89 (55.55.131.89): 7 hops max, 52 byte packets
4 [AS12570] 212.96.178.38 1.533 ms
5 *
6 *
7 *
Measurement taken from  IPinfo ProbeNet in Brno, CZ
On