Data as of Nov 5, 2026
83.223.52.0/24
No anonymizer space · no proxy exits in 30 daysMasterDC s.r.o. · space held by Yoursafe Holding 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 |
|---|---|---|---|---|---|---|
| 83.223.32.0/19 | 8,192 | NL-VFMBV-20040624 | Yoursafe Holding B.V. (ORG-VFMB1-RIPE) · NL | ALLOCATED PA | Jun 24, 2004 | joost. |
| └ 83.223.52.0/24 | 256 | VITS-PROXY-NETWORK | unknown | ASSIGNED PA | Apr 25, 2017 | joost. via NL-VFMBV-20040624 |
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
- Yoursafe Holding B.V.
- Handle
- ORG-VFMB1-RIPE
- Range
- 83.
223. 32. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Jun 24, 2004
Origin network
AS24971
CZ
- Name
- MasterDC s.r.o.
- Type
- Hosting
- Registered
- Jun 11, 2002
- Domain
- master.cz
- Website
- www.master.cz
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2017
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2018
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 83.
223. 52. 0/ 24 - Netname
- VITS-PROXY-NETWORK
- Registrant country
- NL
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Apr 25, 2017
- Updated
- Nov 29, 2018
- Maintainer
- MNT-MRJOOST
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Jun 24, 2004
- Status
- assigned
Report abuse
Abuse contact
- joost.
zuurbier@ verotel. com - Name
- Abuse-C Role
- Handle
- AR16298-RIPE