Data as of Nov 3, 2026
131.237.0.0/16
No anonymizer space · no proxy exits in 30 daysMinVenW-RWS · space held by Ministerie van Verkeer en Waterstaat/Rijkswaterstaat
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.237.0.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.1.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.8.0/24 since Dec 2007 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.10.0/23 since Oct 10, 2026 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 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 | |
| 131.237.32.0/24 since Jul 2019 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.40.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.41.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.42.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.43.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.70.0/24 since Apr 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.71.0/24 since May 2011 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.72.0/24 since May 2011 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.73.0/24 since May 2011 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.74.0/24 since Jan 2014 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.77.0/24 since Aug 2016 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.78.0/24 since Apr 2018 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.80.0/24 since May 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.83.0/24 since Jul 2019 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.84.0/24 since Dec 2020 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.96.0/24 since Dec 2020 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.120.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.121.0/24 since Mar 2025 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat | |
| 131.237.163.0/24 since Dec 2007 | AS42894 | Business | Ministerie van Verkeer en Waterstaat/Rijkswaterstaat |
Network & registry
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 this prefix
Summary
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 the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42894 | RIPE | IPv4 block under the ownership of Rijkswaterstaat | MINVENW-MNT | Aug 17, 2016 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 131.237.26.0/23 | AS42894 | RIPE | SDWAN | MINVENW-MNT | Apr 3, 2026 |
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
- [email protected]
- Name
- MinVenW Network Operations
- Handle
- MNO5-RIPE