Data as of Nov 13, 2026
83.228.121.8/29
No anonymizer space · no proxy exits in 30 daysVivacom Bulgaria EAD
Residential-proxy exits
Proxy exits
3
38% of its addresses · listed by providers
Providers
8
selling exits here
Proxy providers listing exits
- Bright Data
- FastProxy
- LemonBright
- Proxiware
- Shifter
- Thordata
- ThunderProxy
- VitalExclusive
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 83.228.0.0/17 | 32,768 | BG-BTC-20020905 | Vivacom Bulgaria EAD (ORG-BTCP1-RIPE) · BG | ALLOCATED PA | Apr 26, 2004 | abuse-ip@ |
| └ 83.228.121.8/29 | 8 | Sigma_ | unknown | ASSIGNED PA | Jul 28, 2022 | abuse-ip@ via BG-BTC-20020905 |
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
Announced by
Covering announcement 83.228.112.0/20
- Prefix
- 83.228.112.0/20
- Announced by
- AS8866 Vivacom Bulgaria EAD
- Type
- Residential
- Proxy exits
- 84
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- BG-BTC-20020905
- Registrant
- Vivacom Bulgaria EAD
- RIR
- RIPE NCC
Origin network
AS8866
BG
- Name
- Vivacom Bulgaria EAD
- Type
- Internet provider
- Registered
- Jul 2, 1998
- Domain
- vivacom.bg
- Website
- www.vivacom.bg
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 1
Routing timeline
Who has announced 83.228.112.0/20
83.228.112.0/20
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.228.0.0/17 | AS8866 | /32 | RIPE | RPKI valid |
IRR
Route objects on 83.228.112.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8866 | RIPE | BT95-ADM | Jan 14, 2026 |
Whois
Registration for this announcement
- Range
- 83.
228. 0. 0/ 17 - Netname
- BG-BTC-20020905
- Registrant
- Vivacom Bulgaria EAD
- Registrant country
- BG
- Organization
- Vivacom Bulgaria EAD (ORG-BTCP1-RIPE)
- Org country
- BG
- Type
- ALLOCATED PA
- Created
- Apr 26, 2004
- Updated
- Dec 4, 2020
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Apr 26, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
vivacom. bg - Name
- BTC IP ADDRESS SPACE administration
- Handle
- BTC3-RIPE