Data as of Nov 9, 2026
185.81.174.0/24
Anonymizer · Datacenter proxyWS Telecom Inc · space held by Ivan Bulavkin
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recently moved
IPv4 market
Path
1 · Holder
record created Mar 12, 2019 · reallocated to SIA "Singularity Telecom" Oct 19, 2022
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 185.81.174.0/24 | /24s |
|---|---|---|
| Ivan Bulavkin | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
185.81.174.0/24
From the registry to its use
- Mar 12, 2019Registry recordIvan BulavkinALLOCATED PA185.81.172.0/22
- Apr 20, 2020– Apr 26, 2021
- Apr 15, 2021– Apr 21, 2022
- Apr 10, 2022– Aug 19, 2022AnnouncedAS207710 WS Telecom Inc
- Oct 19, 2022ReallocatedSIA "Singularity Telecom"SUB-ALLOCATED PA185.81.174.0/23
- Oct 19, 2022AssignedSIA "Singularity Telecom"ASSIGNED PA185.81.174.0/24
- Oct 31, 2022– Mar 23, 2023AnnouncedAS207710 WS Telecom Inc
- Mar 12, 2023– Aug 3, 2025
- May 7, 2023Route objectAS209372 WS Telecom IncRADB route object for AS209372 WS Telecom Inc, maintainer MAINT-AS209372
- Aug 4, 2025– today
- Aug 11, 2026– Aug 22, 2026
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 |
|---|---|---|---|---|---|---|
| 185.81.172.0/22 | 1,024 | RU-MAINACC-20141217 | Ivan Bulavkin (ORG-BIA108-RIPE) · RU | ALLOCATED PA | Mar 12, 2019 | noc@ |
| └ 185.81.174.0/23 | 512 | Net-M2 | SIA "Singularity Telecom" (ORG-ST325-RIPE) | SUB-ALLOCATED PA | Oct 19, 2022 | abuse@ |
| └ 185.81.174.0/24 | 256 | MX-users | SIA "Singularity Telecom" (ORG-ST325-RIPE) · MX | ASSIGNED PA | Oct 19, 2022 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Ivan Bulavkin
- Handle
- ORG-BIA108-RIPE
- Range
- 185.
81. 172. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Mar 12, 2019
- Reallocated to
- SIA "Singularity Telecom" (ORG-ST325-RIPE)
- Reallocated range
- 185.
81. 174. 0/ 23 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Oct 19, 2022
Origin network
AS213541
US
- Name
- WS Telecom Inc
- Type
- Hosting
- Registered
- Jan 21, 2025
- Domain
- wstelecom.us
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2020
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 5
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.81.174.0/24 | AS174 | /24 | RIPE | Another network |
| 185.81.174.0/24 | AS207710 | /24 | RIPE | Another network |
| 185.81.174.0/24 | AS209372 | /24 | RIPE | Another network |
| 185.81.174.0/24 | AS213541 | /24 | RIPE | RPKI valid |
| 185.81.174.0/23 | AS9009 | /24 | RIPE | Another network |
| 185.81.174.0/23 | AS209372 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS209372 not the origin | RADB | Lease to customer ID17 | MAINT-AS209372 | Aug 30, 2026 |
Whois
Registration for this announcement
- Range
- 185.
81. 174. 0/ 24 - Netname
- MX-users
- Registrant
- SIA "Singularity Telecom"
- Registrant country
- MX
- Organization
- SIA "Singularity Telecom" (ORG-ST325-RIPE)
- Org country
- MX
- Type
- ASSIGNED PA
- Created
- Oct 19, 2022
- Updated
- Dec 14, 2022
- Maintainer
- ws-telecom
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Dec 17, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ws. network - Name
- SIA "Singularity Telecom"
- Handle
- ST13100-RIPE