Data as of Nov 13, 2026
185.31.147.0/24
No anonymizer space · no proxy exits in 30 daysatom86 BV · space held by Defion Security Netherlands B.V.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 185.31.144.0/22 | 1,024 | NL-COMPUTEST-20130724 | Defion Security Netherlands B.V. (ORG-CSB4-RIPE) · NL | ALLOCATED PA | Jul 24, 2013 | abuse@ |
| └ 185.31.147.0/24 | 256 | COMPUTEST-1 | Computest Services B.V. | ASSIGNED PA | Jul 24, 2013 | abuse@ via NL-COMPUTEST-20130724 |
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
Announced by
Covering announcement 185.31.144.0/22
- Prefix
- 185.31.144.0/22
- Announced by
- AS8455 atom86 BV
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- NL-COMPUTEST-20130724
- Registrant
- Defion Security Netherlands B.V.
- RIR
- RIPE NCC
Origin network
AS8455
NL
- Name
- atom86 BV
- Type
- Internet provider
- Registered
- Jul 28, 2009
- Domain
- atom86.net
- Website
- www.atom86.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 185.31.144.0/22
185.31.144.0/22
Routing history
- Pattern
- Stable
- First seen
- Aug 2013
- Current origin since
- Jul 2017 · 9.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.31.144.0/22 | AS8455 | /22 | RIPE | RPKI valid |
IRR
Route objects on 185.31.144.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8455 | RIPE | Computest | ATOM86-MNT COMPUTEST-MNT NEXTPERTISE-MNT | Aug 2, 2017 |
Whois
Registration for this announcement
- Range
- 185.
31. 144. 0/ 22 - Netname
- NL-COMPUTEST-20130724
- 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
- Jul 24, 2013
- Updated
- Aug 2, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Jul 24, 2013
- Status
- assigned
Report abuse
Abuse contact
- abuse@
computest. nl - Name
- Administrative role account
- Handle
- AR12996-RIPE