Data as of Nov 6, 2026
212.57.52.0/24
No anonymizer space · no proxy exits in 30 daysNextpertise B.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.57.48.0/20 since Jan 2010 | AS41960 | Internet provider | 18 4 always on | Nextpertise 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 |
|---|---|---|---|---|---|---|
| 212.57.48.0/20 | 4,096 | NL-IPV2-20100111 | Nextpertise B.V. (ORG-IA661-RIPE) · NL | ALLOCATED PA | Jan 11, 2010 | abuse@ |
| └ 212.57.52.0/24 | 256 | NEXT-CUST-112 | unknown | ASSIGNED PA | Aug 9, 2011 | abuse@ via NL-IPV2-20100111 |
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
Registry
Holder
- Organization
- Nextpertise B.V.
- Handle
- ORG-IA661-RIPE
- Range
- 212.
57. 48. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- Jan 11, 2010
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.57.48.0/20 | AS41960 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41960 | RIPE | next-cust-112 | NEXTPERTISE-MNT | Aug 12, 2022 |
Whois
Registration for this announcement
- Range
- 212.
57. 52. 0/ 24 - Netname
- NEXT-CUST-112
- Registrant country
- NL
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Aug 9, 2011
- Updated
- Aug 9, 2011
- Maintainer
- NEXTPERTISE-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Jan 11, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
nextpertise. nl - Name
- Technical role account
- Handle
- TRA30-RIPE