145.107.223.48
IPv4 address
145.107.223.48
An address in Utrecht, The Netherlands, used by Hogeschool voor de Kunsten Utrecht, announced by SURF B.V. (AS1103). It's a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Utrecht
- Region
- Utrecht
- Postal code
- 3511
- Country
- The Netherlands
- Continent
- Europe
- Coordinates
- 52.0908, 5.1222
- Timezone
- Europe/Amsterdam
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Hogeschool voor de Kunsten Utrecht
- Type
- Education
- Registered in
- The Netherlands
- AS number
- AS1103
- Name
- SURF B.V.
- Prefix
- 145.107.0.0/16
- RPKI
- Valid
- Type
- Education
- Domain
- surf.nl
- Registered in
- The Netherlands
- Name
- Hogeschool voor de Kunsten Utrecht
- Network name
- HKU-NET
- Status
- LEGACY
- Registry
- RIPE NCC
- Domain
- hku.nl
- Name
- SURF Network Maintainer
- cert@surfcert.nl
- Phone
- +31 88 7873000
- Address
- Kantoren Hoog Overborch (Hoog Catharijne), Moreelsepark 48, 3511 EP Utrecht, Postbus 19035, 3501 DA Utrecht
- Network
- 145.88.0.0-145.118.255.255
Not seen inIP RWHOIS
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- 80 status
- 301
- 80 redirect
- https://145.107.223.48/
- 80 server
- Microsoft-IIS/10.0
- 80 title
- Document Moved
- 80 seen
- 2026-08-13 to 2026-10-13
- 443 status
- 200
- 443 server
- Microsoft-IIS/10.0
- 443 title
- HKU
- 443 TLS
- TLSv1.2
- 443 certificate
- stb3.hku.nl · Stichting Hogeschool voor de Kunsten Utrecht
- 443 issuer
- C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-06 to 2026-10-15
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.