Data as of Nov 9, 2026
193.221.212.0/23
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 Sep 8, 2020 · reallocated to SIA "Singularity Telecom" Aug 25, 2023
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 193.221.212.0/23 | /24s |
|---|---|---|
| Ivan Bulavkin | 512100% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
193.221.212.0/23
From the registry to its use
- Jul 24, 2018– Oct 15, 2018
- Oct 4, 2018– May 13, 2020
- Nov 21, 2018– Dec 14, 2018
- May 2, 2020– Dec 25, 2025
- Sep 8, 2020Registry recordIvan BulavkinALLOCATED PA193.221.212.0/22
- Aug 25, 2023ReallocatedSIA "Singularity Telecom"SUB-ALLOCATED PA193.221.212.0/23
- Dec 26, 2025– Jan 6, 2026
- Dec 26, 2025– today
- Dec 28, 2025Route objectAS213541 WS Telecom IncRADB route object for AS213541 WS Telecom Inc, maintainer MAINT-AS209372
- May 31, 2026– Jul 5, 2026
- Aug 23, 2026– Sep 3, 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 |
|---|---|---|---|---|---|---|
| 193.221.212.0/22 | 1,024 | RU-MAINACC-20180719 | Ivan Bulavkin (ORG-BIA108-RIPE) · RU | ALLOCATED PA | Sep 8, 2020 | noc@ |
| └ 193.221.212.0/23 | 512 | ISP-BR-08 | SIA "Singularity Telecom" (ORG-ST325-RIPE) · BR | SUB-ALLOCATED PA | Aug 25, 2023 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Ivan Bulavkin
- Handle
- ORG-BIA108-RIPE
- Range
- 193.
221. 212. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Sep 8, 2020
- Reallocated to
- SIA "Singularity Telecom" (ORG-ST325-RIPE)
- Reallocated range
- 193.
221. 212. 0/ 23 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Aug 25, 2023
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
- Jul 2018
- Current origin since
- Dec 2025 · 10 mo
- Origin networks
- 6
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 6
Whois
Registration for this announcement
- Range
- 193.
221. 212. 0/ 23 - Netname
- ISP-BR-08
- Registrant
- SIA "Singularity Telecom"
- Registrant country
- BR
- Organization
- SIA "Singularity Telecom" (ORG-ST325-RIPE)
- Org country
- BR
- Type
- SUB-ALLOCATED PA
- Created
- Aug 25, 2023
- Updated
- Aug 25, 2023
- Maintainer
- MEN2018-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Jul 19, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ws. network - Name
- SIA "Singularity Telecom"
- Handle
- ST13100-RIPE