78.156.157.73

Router

Access unlimited lookups, API and downloads, data enrichment, and Probenet Live.

Summary

IP address summary information
Location	Prague, Prague, CZ
ASN	AS43542 — OptoNet Communication, spol. s.r.o.
Hostname	—
Range	78.156.128.0/19
Company	OptoNet Communication, spol. s.r.o.
Hosted domains	0
Privacy	False
Anycast	False
AS Type	ISP
Abuse contact	abuse@optonet.cz

IP Geolocation

IP address geolocation details
Field	Value
City	Prague
State	Prague
Country	Czechia
Postal	110 00
Local time	05:05 AM, Thursday, October 29, 2026
Timezone	Europe/Prague
Coordinates	50.0880 N, 14.4208 E

Location Evidence

We have confirmed the location of this IP address with active measurement data

$ ping 78.156.157.73

PING 78.156.157.73 (78.156.157.73): 56 data bytes

64 bytes from 78.156.157.73: icmp_seq=0 ttl=58 time=1.849 ms

Measurement taken from

IPinfo ProbeNet in █████, █████

On October 20, 2026

Run your own measurement

Anonymization

VPNNot detected
ProxyNot detected
TorNot detected
RelayNot detected
HostingNot detected
Residential ProxyNot detected

ASN

AS43542 — OptoNet Communication, spol. s.r.o.

Domainoptonet.cz
ASN TypeISP
Route78.156.128.0/19

Company

OptoNet Communication, spol. s.r.o.

Abuse

OptoNet Communication, spol. s r.o., Cerveny Kriz 250, 568 01 Jihlava, Czech republic

+420564040133

abuse@optonet.cz

NameIP pool 78.156.157.0/24 for OptoNet SMB users, Jihlava, Czech Republic

Network78.156.157.0/24

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get started for free Contact sales