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InternetData
IPv4 address

91.237.139.139

An address in Warsaw, Mazovia, Poland, announced by Urzad Miasta Stolecznego Warszawa (AS34891). Of our anonymity, network and probe databases, it is in Hosting IP.

8 of 21 address-keyed databases hold it

Summary
Company
Urzad Miasta Stolecznego Warszawa
Hostname
rev-439.hostspot.warszawa.pl
Registered to
Urzad Miasta Stolecznego Warszawa
Network type
Business
Anycast
No

Anonymity

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

1 of 7 hold it
Confidence
medium
Last seen
2026-10-07

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
Urzad Miasta Stolecznego Warszawa
Domain
um.warszawa.pl
Type
ISP
Registered in
Poland
AS number
AS34891
Name
Urzad Miasta Stolecznego Warszawa
RPKI
not found
Type
Business
Domain
um.warszawa.pl
Registered in
Poland
Name
Urzad Miasta Stolecznego Warszawa
Handle
UM-Warszawa-NET2
Organization
ORG-UMSW1-RIPE
Status
ASSIGNED PI
Registry
ripe
Domain
um.warszawa.pl
Name
ORG-UMSW1-RIPE abuse handling
Address
pl. Bankowy 3/5
Network
91.237.138.0-91.237.139.255
Hostname
rev-439.hostspot.warszawa.pl
Not seen inIP RWHOIS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Warsaw
Region
Mazovia
Postal code
00-002
Country
Poland
Continent
Europe
Coordinates
52.2298, 21.0118
Timezone
Europe/Warsaw

Network

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

0 of 3 hold it

Probe

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 — every row, every column, 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, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.