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InternetData
IPv4 address

91.220.37.209

An address in Rotterdam, South Holland, The Netherlands, used by Knoth Webmedia & Hosting, announced by Serverius Holding B.V. (AS50673). Of our anonymity, network and probe databases, it is in Hosting IP.

7 of 21 address-keyed databases hold it

Summary
Company
Knoth Webmedia & Hosting
Registered to
Knoth Webmedia & Hosting
Network type
Hosting
Abuse contact
info@knoth.nl
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
Provider
serverius
Confidence
high
Last seen
2026-10-09

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
Knoth Webmedia & Hosting
Domain
knoth.nl
Type
Hosting
Registered in
The Netherlands
AS number
AS50673
Name
Serverius Holding B.V.
RPKI
valid
Type
Hosting
Domain
serverius.net
Registered in
The Netherlands
Name
Knoth Webmedia & Hosting
Handle
NL-Knoth-WebMedia
Organization
ORG-KWH1-RIPE
Status
ASSIGNED PI
Registry
ripe
Domain
knoth.nl
Name
Abuse Contact
Address
Prinses Irenelaan 289, 3708EJ Zeist, The Netherlands
Network
91.220.37.0-91.220.37.255
Not seen inIP RWHOISIP RDNS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Rotterdam
Region
South Holland
Postal code
3011
Continent
Europe
Coordinates
51.9225, 4.4792
Timezone
Europe/Amsterdam

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.