Data as of Nov 10, 2026
131.237.26.0/23
No anonymizer space · no proxy exits in 30 daysMinVenW-RWS · space held by Ministerie van Verkeer en Waterstaat/Rijkswaterstaat
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.237.26.0/24 since May 2026 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.27.0/24 since May 2026 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat |
Network & registry
Announced by
Covering announcement 131.237.0.0/16
- Prefix
- 131.237.0.0/16
- Announced by
- AS42894 MinVenW-RWS
- Type
- Business
- RPKI
- RPKI valid
- Netname
- NL-MINVENW-19920101
- Registrant
- Ministerie van Verkeer en Waterstaat/Rijkswaterstaat
- RIR
- RIPE NCC
Origin network
AS42894
NL
- Name
- MinVenW-RWS
- Type
- Education
- Registered
- May 8, 2007
- Domain
- rijkswaterstaat.nl
- Industry
- Research and Development Organizations
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 131.237.0.0/16
131.237.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 3
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 131.237.0.0/16 | AS42894 | /24 | RIPE | RPKI valid |
IRR
Route objects on 131.237.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42894 | RIPE | IPv4 block under the ownership of Rijkswaterstaat | MINVENW-MNT | Aug 17, 2016 |
Whois
Registration for this announcement
- Range
- 131.
237. 0. 0/ 16 - Netname
- NL-MINVENW-19920101
- Registrant
- Ministerie van Verkeer en Waterstaat/Rijkswaterstaat
- Registrant country
- NL
- Organization
- Ministerie van Verkeer en Waterstaat/Rijkswaterstaat (ORG-MVVE1-RIPE)
- Org country
- NL
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Jan 12, 2024
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Jan 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- netwerk-infra-adviseurs@
rws. nl - Name
- MinVenW Network Operations
- Handle
- MNO5-RIPE