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InternetData
IPv4 address

78.156.147.245

An address in Jihlava, Vysocina, Czechia, used by Kraj Vsocina, announced by OptoNet Communication, spol. s.r.o. (AS43542). Of our anonymity, network and service databases, it is in VPN IP and Hosting IP.

8 of 22 address-keyed databases hold it

Summary
Company
Kraj Vsocina
Prefix
78.156.128.0/19
Registered to
IP pool 78.156.147.128/25 for Kraj Vsocina, Jihlava, Czech Republic
Network type
ISP
Abuse contact
abuse@optonet.cz
Anycast
No

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

2 of 8 hold it
Confidence
low
Method
scan
Last seen
2026-08-13
Confidence
medium
Last seen
2026-10-17

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

4 of 6 hold it
Company
Kraj Vsocina
Type
Business
Registered in
Czechia
AS number
AS43542
Name
OptoNet Communication, spol. s.r.o.
Prefix
78.156.128.0/19
RPKI
valid
Type
ISP
Domain
optonet.cz
Registered in
Czechia
Name
IP pool 78.156.147.128/25 for Kraj Vsocina, Jihlava, Czech Republic
Handle
CZ-ROWANet_HotSpot_ON
Status
ASSIGNED PA
Registry
ripe
Domain
nuclear.cz
Name
ABUSE-C OptoNet Communication
Address
OptoNet Communication, spol. s r.o., Cerveny Kriz 250, 568 01 Jihlava, Czech republic
Network
78.156.128.0-78.156.159.255
Not seen inIP RWHOISIP RDNS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Jihlava
Region
Vysocina
Postal code
586 01
Country
Czechia
Continent
Europe
Coordinates
49.3961, 15.5912
Timezone
Europe/Prague

Network

What kind of network it is on: a mobile carrier, an anycast service, a CDN edge.

0 of 3 hold it

Services

What our own internet-wide measurement found listening on it.

0 of 3 hold it
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.