Data as of Nov 7, 2026
185.251.236.0/22
No anonymizer space · no proxy exits in 30 daysITB-Kwadraat BV · space held by bosworX 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 |
|---|---|---|---|---|---|---|
| 185.251.236.0/22 | 1,024 | NL-BOSWORX-20180327 | bosworX B.V. (ORG-BB207-RIPE) · NL | ALLOCATED PA | Mar 27, 2018 | abuse@ |
| └ 185.251.236.0/24 | 256 | bosworX-ITDelen | unknown | ASSIGNED PA | Mar 25, 2021 | abuse@ via NL-BOSWORX-20180327 |
| └ 185.251.237.48/28 | 16 | TIG-Arrow | unknown | ASSIGNED PA | Mar 25, 2021 | abuse@ via NL-BOSWORX-20180327 |
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
AS199927
NL
- Name
- ITB-Kwadraat BV
- Type
- Hosting
- Registered
- Dec 5, 2013
- Domain
- itb-kwadraat.nl
- Website
- itb-kwadraat.nl
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2018
- Current origin since
- May 2025 · 1.5 yr
- Origin networks
- 2
- Last change of origin
- May 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS199927 | RIPE | BossworX-Eshgro | LUNA-MNT | Mar 10, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 185.251.236.0/24 | AS199927 | RIPE | MNT-DATACOMFORT | Mar 13, 2025 | |
| 185.251.237.0/24 | AS199927 | RIPE | MNT-DATACOMFORT | Mar 13, 2025 | |
| 185.251.238.0/24 | AS199927 | RIPE | LUNA-MNT | Mar 12, 2025 | |
| 185.251.239.0/24 | AS199927 | RIPE | LUNA-MNT | Mar 12, 2025 |
Whois
Registration for this announcement
- Range
- 185.
251. 236. 0/ 22 - Netname
- NL-BOSWORX-20180327
- Registrant
- bosworX B.V.
- Registrant country
- NL
- Organization
- bosworX B.V. (ORG-BB207-RIPE)
- Org country
- NL
- Type
- ALLOCATED PA
- Created
- Mar 27, 2018
- Updated
- Mar 25, 2021
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Mar 27, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
bosworx. nl - Name
- Abuse-C Role
- Handle
- AR45656-RIPE