Data as of Nov 3, 2026
131.180.0.0/16
No anonymizer space · no proxy exits in 30 daysSurf B.V. · space held by Technische Universiteit Delft
Network & registry
Origin network
AS1128
NL
- Name
- Surf B.V.
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- surf.nl
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 131.180.0.0/16
- Netname
- DUNET
- Registrant
- Technische Universiteit Delft
- Registrant country
- NL
- Organization
- Technische Universiteit Delft (ORG-DUOT4-RIPE)
- Org country
- NL
- Type
- LEGACY
- Created
- Jan 6, 2004
- Updated
- Feb 25, 2026
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Dec 22, 1988
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- SURF Network Maintainer
- Handle
- SNS1-RIPE