Data as of Nov 3, 2026
37.63.20.0/22
807 residential-proxy exits · 30 daysA1 Bulgaria EAD
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Residential-proxy exits
Proxy exits
807
79% of its addresses · 30 days
Spread
4 of 4
/24s with at least one exit
Providers
84
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
16K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 37.63.21.0/24 | 0 | 206 | |
| 37.63.23.0/24 | 0 | 205 | |
| 37.63.20.0/24 | 0 | 194 | |
| 37.63.22.0/24 | 0 | 187 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GeekProxy
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- Kookey
- LemonBright
- LudaxProxy
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NiuProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- PrivateProxy
- ProxiesVision
- Proxio
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyStyler
- ProxyWing
- Proxying
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- ResiProxies
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- VProxy
- VantageProxies
- VitalExclusive
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.63.0.0/17 since Dec 2019 | AS8717 | Residential | 8,487 102 always on | A1 Bulgaria EAD |
Network & registry
Origin network
AS12716
BG
- Name
- A1 Bulgaria EAD
- Type
- Internet provider
- Registered
- Oct 8, 1999
- Domain
- a1.bg
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2023
- Current origin since
- Feb 2023 · 3.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.63.20.0/22 | AS12716 | /24 | RIPE | RPKI valid |
| 37.63.0.0/17 | AS8717 | /17 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12716 | RIPE | A1BG_MSAK | SPNET-MNT AS12716-MNT | Oct 18, 2024 |
Whois
Registration for this announcement
- Range
- 37.63.0.0/17
- Netname
- BG-MTELNET-20120123
- Registrant
- A1 Bulgaria EAD
- Registrant country
- BG
- Organization
- A1 Bulgaria EAD (ORG-MN1-RIPE)
- Org country
- BG
- Type
- ALLOCATED PA
- Created
- Jan 23, 2012
- Updated
- Jan 4, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Jan 23, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE