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InternetData
IPv4 address

90.183.125.12

An address in Prague, Czechia, used by PLUS4U DATA, announced by O2 Czech Republic, a.s. (AS5610). Of our anonymity, network and service databases, it is in Hosting IP.

8 of 22 address-keyed databases hold it

Summary
Company
PLUS4U DATA
Hostname
ip-12.plus4u.net
Registered to
V lomech 2339/1
Network type
ISP
Abuse contact
abuse@o2.cz
Anycast
No

Anonymity

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

1 of 8 hold it
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.

5 of 6 hold it
Company
PLUS4U DATA
Domain
plus4u.net
Type
Business
Registered in
Czechia
AS number
AS5610
Name
O2 Czech Republic, a.s.
RPKI
valid
Type
ISP
Domain
o2.cz
Registered in
Czechia
Name
V lomech 2339/1
Handle
PLUS4U_DATA
Status
ASSIGNED PA
Registry
ripe
Domain
plus4u.net
Name
Abuse-C Role
Address
O2 Czech Republic, a.s., Jiri Hvezda, Za Brumlovkou 266/2, Praha 4 - Michle, PSC 140 22, CZECH REPUBLIC
Network
90.176.32.0-90.183.255.255
Hostname
ip-12.plus4u.net
Not seen inIP RWHOIS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Prague
Region
Prague
Postal code
110 00
Country
Czechia
Continent
Europe
Coordinates
50.0880, 14.4208
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.