Data as of Nov 4, 2026
37.157.136.0/21
17 residential-proxy exits · 30 daysVivacom Bulgaria EAD
Residential-proxy exits
Proxy exits
17
0.83% of its addresses · 30 days
Spread
6 of 8
/24s with at least one exit
Providers
44
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
251 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 37.157.137.0/24 | 0 | 5 | |
| 37.157.138.0/24 | 0 | 3 | |
| 37.157.141.0/24 | 0 | 3 | |
| 37.157.143.0/24 | 0 | 3 | |
| 37.157.139.0/24 | 0 | 2 | |
| 37.157.140.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- AnyIP
- BestProxy
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- MangoProxy
- NSocks
- NiuProxy
- NodeProxy
- NovaProxy
- Oxylabs
- PacketStream
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- Smartproxy
- Thordata
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2012
- Current origin since
- May 2022 · 4.5 yr
- Origin networks
- 2
- Last change of origin
- May 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.157.136.0/21 | AS8866 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 37.157.136.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.137.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.138.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.139.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.140.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.141.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.142.0/24 | AS43561 | RIPE | NET1 - PA Address space | MNT-NET1 | Apr 2, 2012 |
| 37.157.143.0/24 | AS8866 | RIPE | BT95-ADM | Dec 11, 2025 |
Whois
Registration for this announcement
- Range
- 37.157.136.0/21
- Netname
- BG-BTC-20120315
- Registrant
- Vivacom Bulgaria EAD
- Registrant country
- BG
- Organization
- Vivacom Bulgaria EAD (ORG-BTCP1-RIPE)
- Org country
- BG
- Type
- ALLOCATED PA
- Created
- Mar 15, 2012
- Updated
- Jun 3, 2022
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Mar 15, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- BTC IP ADDRESS SPACE administration
- Handle
- BTC3-RIPE