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

Czechia

Nearby countries: GermanyPolandHungaryAustriaSlovakia
Map of Czechia

Summary

ASNs
753
IPs
8,596,670 (12% pingable)
Router IPs
31,612
Hosting IPs
2,049,672
Mobile Carriers
3
VPN Providers
24
Registry
RIPE

ASNs in Czechia — 753

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.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.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

185.229.188.112PragueAS60068
72.14.220.118PragueAS15169
185.229.188.241PragueAS60068
185.229.188.243PragueAS60068
109.205.72.161PragueAS35236
74.125.48.222PragueAS15169
94.124.105.210PragueAS42000
72.14.213.152PragueAS15169
141.101.94.35PragueAS13335
141.101.94.37PragueAS13335
62.115.32.255PragueAS1299
72.14.218.112PragueAS15169
74.125.52.254PragueAS15169
185.229.188.49PragueAS60068
185.229.188.83PragueAS60068
217.197.156.1PragueAS42908
194.228.21.249PragueAS5610
185.229.188.87PragueAS60068
185.229.188.85PragueAS60068
81.2.192.90PragueAS24806
81.2.192.82PragueAS24806
81.2.192.86PragueAS24806
185.229.188.81PragueAS60068
185.229.188.137PragueAS60068
213.168.186.171PragueAS15614

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

Prague3,764,35629513,318103.17.6.0
Ostrava1,873,465301,071109.107.192.0
Brno364,27348869104.28.114.8
Podolí231,014214,411109.108.108.118
Kunratice102,39244,305109.183.132.14
Liberec96,082952109.183.106.0
Olomouc93,1301040109.183.243.128
Včelná69,562432160.217.0.0
Slaný69,403413109.71.208.0
Zlín65,4508165109.80.109.32

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

81.2.196.19196,333mnohovedomi.cz
46.28.105.2139,489rayora.sk
62.109.151.8067,987servistar.online
81.95.96.2958,916advancelife.cz
217.198.116.18855,212muzivterapii.eu
81.2.194.12852,167svinary-stribrna.cz
46.28.105.444,249virax.cz
77.78.104.336,910prusa3d.org
185.184.254.1035,273kristinakajlova.sk
185.184.254.1134,380megabublina.eu
185.64.219.3730,426panskamoda.cz
81.91.86.1427,116suprnaplast.org
31.15.10.3025,556forsdahl.se
46.8.8.20022,004progamershop.cz
81.2.196.6018,902minibuzz.eu
46.28.105.312,392smartwebservice.cz
83.167.244.20112,263soma-fyzioterapie.eu
81.31.37.2212,239zootopie.cz
185.129.138.20210,871juditvanyo.com
217.198.113.10410,376zamekluhov.cz
46.8.8.22010,031pecunia.pw
46.8.9.2209,938wa-workforceconsults.com
83.167.244.2029,612horometodika.cz
217.11.249.1399,064mojepekarna.cz
109.123.219.2158,792elsyndvur.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

O2104,44837.188.128.0
T-Mobile39,42437.48.0.0
Vodafone34,81631.30.175.0

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

NordVPN591193.142.203.90
Private Internet Access320212.102.39.134
CyberGhost186138.199.56.250
ProtonVPN141159.26.111.32
Windscribe112149.40.61.241
Mullvad38146.70.129.182
FastVPN32216.131.109.20
TunnelBear2145.84.122.41
VyprVPN19128.90.164.6
Torguard16185.189.115.103

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

998,918 IPs in this country replied to an ICMP ping during our most recent internet scan. Learn more.
2a0b:bb41:10c5::1AS12570 O2 Czech Republic, a.s.8.98ms from Brno,  CZ
109.105.54.137AS12570 O2 Czech Republic, a.s.2.04ms from Brno,  CZ
88.83.238.193AS12570 O2 Czech Republic, a.s.3.18ms from Brno,  CZ
89.190.45.13AS12570 O2 Czech Republic, a.s.6.00ms from Brno,  CZ
89.190.48.1AS12570 O2 Czech Republic, a.s.1.49ms from Brno,  CZ
212.4.139.2AS12570 O2 Czech Republic, a.s.1.59ms from Brno,  CZ
147.229.87.240AS197451 Brno University of Technology0.53ms from Brno,  CZ
147.229.51.102AS197451 Brno University of Technology0.54ms from Brno,  CZ
147.229.208.1AS197451 Brno University of Technology0.45ms from Brno,  CZ
147.229.206.1AS197451 Brno University of Technology0.46ms from Brno,  CZ
147.229.149.116AS197451 Brno University of Technology0.53ms from Brno,  CZ
147.229.25.193AS197451 Brno University of Technology0.41ms from Brno,  CZ
147.229.45.152AS197451 Brno University of Technology0.51ms from Brno,  CZ
185.179.35.249AS201922 amccomp turany4.22ms from Brno,  CZ
2a03:aca0:8000:1108::101AS215711 The Ministry of Agriculture of the Czech Republic5.40ms from Brno,  CZ
185.50.229.37AS24641 FASTER CZ spol. s r.o.0.31ms from Brno,  CZ
91.224.48.179AS24641 FASTER CZ spol. s r.o.0.39ms from Brno,  CZ
80.79.30.4AS24971 MasterDC s.r.o.0.12ms from Brno,  CZ
185.137.126.65AS34049 wosa.cz0.39ms from Brno,  CZ
196.245.153.246AS41564 Orion Network Limited3.19ms from Brno,  CZ
45.139.95.63AS44061 SAT-MONT-SERVICE JACEK MRUK, KRZYSZTOF MRUK Sp. z o.o.4.55ms from Brno,  CZ
2a03:c22:ff2a:0:7e77:16ff:fed8:c820AS50825 UVT Internet s.r.o.17.39ms from Brno,  CZ
188.167.96.1AS6830 Liberty Global Europe Holding B.V.3.08ms from Brno,  CZ
188.167.125.195AS6830 Liberty Global Europe Holding B.V.11.10ms from Brno,  CZ
89.173.92.1AS6830 Liberty Global Europe Holding B.V.3.16ms 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 148.81.100.99
traceroute to 148.81.100.99 (148.81.100.99): 7 hops max, 52 byte packets
4 [AS12570] 212.96.178.38 1.044 ms
5 *
6 *
7 *
Measurement taken from  IPinfo ProbeNet in Brno, CZ
On