78.156.128.1

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Summary

IP address summary information
Location	Prague, Prague, CZ
ASN	AS43542 — OptoNet Communication, spol. s.r.o.
Hostname	ae6.4000.bgp0.optonet.cz
Range	78.156.128.0/19
Company	OptoNet infrastructure routed network
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	06:22 AM, Sunday, October 18, 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 78.156.128.1

PING 78.156.128.1 (78.156.128.1): 56 data bytes

64 bytes from 78.156.128.1: icmp_seq=0 ttl=58 time=2.076 ms

Measurement taken from

IPinfo ProbeNet in █████, █████

On October 14, 2026

Run your own measurement

Anonymization

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ASN

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

Domainoptonet.cz
ASN TypeISP
Route78.156.128.0/19

Company

OptoNet infrastructure routed network

Abuse

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

+420564040133

abuse@optonet.cz

NameOptoNet infrastructure routed network

Network78.156.128.0/25

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