Data as of Nov 4, 2026
145.18.0.0/16
No anonymizer space · no proxy exits in 30 daysUniversiteit van Amsterdam Amsterdam The Netherlands · space held by Surf B.V.
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 145.18.0.0 - 145.21.255.255 | 262,144 | SURFNET-EARLY-REGISTRATIONS | Surf B.V. (ORG-SB3-RIPE) · NL | LEGACY | Apr 7, 2017 | [email protected] |
| └ 145.18.0.0/16 | 65,536 | UVANET1 | Universiteit van Amsterdam (ORG-UVA9-RIPE) · NL | LEGACY | Sep 3, 2002 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Surf B.V.
- Handle
- ORG-SB3-RIPE
- Range
- 145.18.0.0 - 145.21.255.255
- Registration type
- LEGACY
- Record created
- Apr 7, 2017
- Legacy
- yes
Origin network
AS1124
EU
- Name
- Universiteit van Amsterdam Amsterdam The Netherlands
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- uva.nl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Apr 2013 · 14 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 145.18.0.0/16
- Netname
- UVANET1
- Registrant
- Universiteit van Amsterdam
- Registrant country
- NL
- Organization
- Universiteit van Amsterdam (ORG-UVA9-RIPE)
- Org country
- NL
- Type
- LEGACY
- Created
- Sep 3, 2002
- Updated
- Dec 20, 2023
- Maintainer
- AS1124-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- CERT-UvA
- Handle
- UVA3322-RIPE