Data as of Nov 8, 2026
213.156.16.0/21
No anonymizer space · no proxy exits in 30 daysNextpertise B.V. · space held by Defion Security Netherlands 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 |
|---|---|---|---|---|---|---|
| 213.156.16.0/20 | 4,096 | NL-COMPUTEST-19991213 | Defion Security Netherlands B.V. (ORG-CSB4-RIPE) · NL | ALLOCATED PA | Mar 24, 2017 | abuse@ |
| └ 213. | 768 | COMPUTEST-INFRA | unknown | ASSIGNED PA | Sep 1, 2017 | abuse@ via NL-COMPUTEST-19991213 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Origin network
AS41960
NL
- Name
- Nextpertise B.V.
- Type
- Internet provider
- Registered
- Nov 23, 2006
- Domain
- nextpertise.nl
- Website
- www.nextpertise.nl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2019
- Current origin since
- Oct 2019 · 7.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 213.156.16.0/20 | AS41960 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41960 | RIPE | NEXTPERTISE-MNT | Nov 1, 2019 |
Whois
Registration for this announcement
- Range
- 213.
156. 16. 0/ 20 - Netname
- NL-COMPUTEST-19991213
- Registrant
- Defion Security Netherlands B.V.
- Registrant country
- NL
- Organization
- Defion Security Netherlands B.V. (ORG-CSB4-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Mar 24, 2017
- Updated
- Mar 24, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Dec 13, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
computest. nl - Name
- Administrative role account
- Handle
- AR12996-RIPE