145.118.47.89
IPv4 address
145.118.47.89
An address in Utrecht, The Netherlands, used by Grafisch Lyceum Rotterdam, announced by SURF B.V. (AS1103). It's a web server on port 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
- Grafisch Lyceum Rotterdam
- Domain
- glr.nl
- Type
- Education
- Registered in
- The Netherlands
- AS number
- AS1103
- Name
- SURF B.V.
- Prefix
- 145.118.0.0/16
- RPKI
- Valid
- Type
- Education
- Domain
- surf.nl
- Registered in
- The Netherlands
- Name
- Grafisch Lyceum Rotterdam
- Network name
- GLR-net
- Status
- LEGACY
- Registry
- RIPE NCC
- Domain
- glr.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
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.
- 443 status
- 302
- 443 redirect
- /auth/login?next=/
- 443 server
- nginx
- 443 TLS
- TLSv1.3
- 443 certificate
- elements.glr.nl · Stichting Grafisch Lyceum Rotterdam
- 443 issuer
- C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-04 to 2026-10-31
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