Data as of Nov 15, 2026
185.71.146.0/24
Anonymizer · Datacenter proxyIvanov Vitaliy Sergeevich · space held by Ivan Bulavkin
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 185.71.146.0/24 | /24s |
|---|---|---|---|
| ProxyLine | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 185.71.146.0/24 | /24s |
|---|---|---|
| Ivan Bulavkin | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
185.71.146.0/24
From the registry to its use
- Jun 23, 2017– May 12, 2018
- Mar 12, 2019Registry recordIvan BulavkinALLOCATED PA185.71.144.0/22
- Jun 21, 2022– today
- Jun 24, 2022AssignedProline IT LtdASSIGNED PA185.71.146.0/24
- Jun 26, 2022Route objectAS48031 Ivanov Vitaliy SergeevichRIPE route object for AS48031 Ivanov Vitaliy Sergeevich, maintainer QWARTA-MNT
- todayUsedProxyLineProxy seller
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 |
|---|---|---|---|---|---|---|
| 185.71.144.0/22 | 1,024 | RU-MAINACC-20140930 | Ivan Bulavkin (ORG-BIA108-RIPE) · RU | ALLOCATED PA | Mar 12, 2019 | noc@ |
| └ 185.71.146.0/24 | 256 | UA-PROLINE | Proline IT Ltd (ORG-PIL34-RIPE) · UA | ASSIGNED PA | Jun 24, 2022 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Ivan Bulavkin
- Handle
- ORG-BIA108-RIPE
- Range
- 185.
71. 144. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Mar 12, 2019
Origin network
AS48031
UA
- Name
- Ivanov Vitaliy Sergeevich
- Type
- Hosting
- Registered
- Oct 2, 2008
- Domain
- xserver.cloud
- Website
- xserver.cloud
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jun 2017
- Current origin since
- Jun 2022 · 4.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 185.
71. 146. 0/ 24 - Netname
- UA-PROLINE
- Registrant
- Proline IT Ltd
- Registrant country
- UA
- Organization
- Proline IT Ltd (ORG-PIL34-RIPE)
- Org country
- UA
- Type
- ASSIGNED PA
- Created
- Jun 24, 2022
- Updated
- Jun 27, 2025
- Maintainer
- qwarta-mnt
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Sep 30, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ithostline. com - Name
- Proline IT Ltd
- Handle
- PIL80-RIPE