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

Czechia

Nearby countries: GermanyPolandHungaryAustriaSlovakia
Map of Czechia

Summary

ASNs
752
IPs
8,600,950 (12% pingable)
Router IPs
31,900
Hosting IPs
2,053,946
Mobile Carriers
3
VPN Providers
27
Registry
RIPE

ASNs in Czechia — 752

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.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

89.24.145.107PragueAS13036
72.14.220.118PragueAS15169
185.229.188.241PragueAS60068
185.229.188.243PragueAS60068
185.229.188.112PragueAS60068
74.125.48.222PragueAS15169
109.205.72.161PragueAS35236
94.124.105.210PragueAS42000
72.14.213.152PragueAS15169
141.101.94.37PragueAS13335
141.101.94.35PragueAS13335
72.14.218.112PragueAS15169
74.125.52.254PragueAS15169
185.229.188.87PragueAS60068
185.229.188.83PragueAS60068
62.115.32.255PragueAS1299
217.197.156.1PragueAS42908
185.229.188.49PragueAS60068
81.2.192.90PragueAS24806
81.2.192.94PragueAS24806
213.168.186.171PragueAS15614
88.86.96.145PragueAS39392
185.229.188.137PragueAS60068
4.68.62.70PragueAS3356
185.229.188.81PragueAS60068

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

Prague3,885,16928813,396103.17.6.0
Ostrava1,582,100311,410109.107.214.0
Brno386,85852896104.28.114.8
Podolí283,389284,475109.105.48.45
Olomouc206,290943109.108.100.0
Kunratice102,40944,348109.238.208.130
Liberec101,592938109.81.187.0
Havířov70,183720109.183.183.128
Slaný68,18338109.71.208.192
Zlín63,9717171131.117.208.0

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

46.28.105.2138,929nejlevnejsizakladovka.cz
81.2.196.19124,942safeko.online
81.2.194.12898,501iq-finance.cz
62.109.151.8067,497vipenglish.cz
81.95.96.2963,093wilgenhaegeinvestments.tech
217.198.116.18855,048rpe-group.cz
46.28.105.444,501trzistepoptavek.cz
77.78.104.337,227onvia.cz
185.184.254.1034,797svetpeceni.com
185.184.254.1133,725gameup.cz
185.64.219.3730,904alkoexpress.cz
81.91.86.1426,938nerotrans.cz
31.15.10.3025,571taxatiebedrijfsmatig.nl
46.8.8.20022,034skit-tour.cz
81.2.196.6020,643aaaakrby.cz
46.28.105.312,426lpgvm.cz
83.167.244.20112,214oidis.io
81.31.37.2212,175oblecmimco.cz
185.129.138.20210,888bellavisage.sk
217.198.113.10410,388aparthotelbroumov.cz
46.8.8.22010,313drreal-exclusive.com
46.8.9.22010,029itsenservices.store
83.167.244.2029,595hydro-technologies.cz
217.11.249.1399,068opbcunkov.com
109.123.219.2158,716janaceknadace.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 — 3

O2105,98437.188.128.0
T-Mobile38,91237.48.0.0
Vodafone36,60731.30.172.0

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 Access561212.102.39.146
NordVPN384185.250.215.1
CyberGhost187138.199.56.225
ProtonVPN143146.70.129.19
Windscribe131185.216.35.134
Mullvad67146.70.129.164
Surfshark35185.242.6.68
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

991,456 IPs in this country replied to an ICMP ping during our most recent internet scan. Learn more.
195.78.123.216AS12570 O2 Czech Republic, a.s.3.72ms from Brno,  CZ
2a0b:bb41:9016::1AS12570 O2 Czech Republic, a.s.8.77ms from Brno,  CZ
212.96.164.205AS12570 O2 Czech Republic, a.s.0.82ms from Brno,  CZ
89.190.42.1AS12570 O2 Czech Republic, a.s.2.12ms from Brno,  CZ
2a0b:bb41:105c::1AS12570 O2 Czech Republic, a.s.3.99ms from Brno,  CZ
2a0b:bb41:bb:1::2AS12570 O2 Czech Republic, a.s.1.78ms from Brno,  CZ
80.78.152.199AS12570 O2 Czech Republic, a.s.3.30ms from Brno,  CZ
212.4.133.1AS12570 O2 Czech Republic, a.s.3.00ms from Brno,  CZ
147.229.70.1AS197451 Brno University of Technology0.76ms from Brno,  CZ
147.229.193.58AS197451 Brno University of Technology0.50ms from Brno,  CZ
147.229.154.183AS197451 Brno University of Technology0.51ms from Brno,  CZ
31.192.82.138AS197798 Net-Connect s.r.o.4.57ms from Brno,  CZ
2a06:28c6:28c6:2801::2AS197798 Net-Connect s.r.o.3.95ms from Brno,  CZ
31.192.67.65AS197798 Net-Connect s.r.o.3.15ms from Brno,  CZ
185.136.109.2AS203385 Pernix systems s.r.o.5.74ms from Brno,  CZ
109.123.208.54AS204383 SPCom s.r.o.34.13ms from Brno,  CZ
80.83.71.209AS21045 K-net Technical International Group, s.r.o.0.33ms from Brno,  CZ
192.145.105.18AS212138 Technicke site Brno, akciova spolecnost0.43ms from Brno,  CZ
185.50.230.3AS24641 FASTER CZ spol. s r.o.0.33ms from Brno,  CZ
77.93.211.134AS24971 MasterDC s.r.o.0.14ms from Brno,  CZ
85.118.131.253AS24971 MasterDC s.r.o.0.17ms from Brno,  CZ
178.238.41.61AS24971 MasterDC s.r.o.0.20ms from Brno,  CZ
83.167.238.118AS24971 MasterDC s.r.o.0.14ms from Brno,  CZ
89.185.237.19AS24971 MasterDC s.r.o.0.16ms from Brno,  CZ
77.93.215.66AS24971 MasterDC s.r.o.0.14ms 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 37.174.239.116
traceroute to 37.174.239.116 (37.174.239.116): 7 hops max, 52 byte packets
4 [AS12570] 212.96.178.38 1.058 ms
5 *
6 *
7 *
Measurement taken from  IPinfo ProbeNet in Brno, CZ
On