Data as of Nov 3, 2026
Autonomous system
AS12716
A1 Bulgaria EAD
Announces 40,704 addresses in 53 prefixes. None of it is anonymizer space.
Type
Internet provider
BG
Proxy activity, 30 days
18K exits
#437 among origins
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 37.63.0.0/20 since Apr 2021 | Mobile | 2,596 1 always on | ||
| 37.63.16.0/22 since Apr 2021 | Mobile | 1,019 19 always on | ||
| 37.63.20.0/22 since Feb 2023 | Mobile | 792 | ||
| 37.63.24.0/22 since Mar 2023 | Residential | 773 | ||
| 37.63.28.0/22 since Sep 2023 | Residential | 657 | ||
| 37.63.32.0/22 since Mar 2024 | Residential | 1,022 17 always on | ||
| 37.63.96.0/22 since May 2024 | Residential | 657 | ||
| 62.204.154.0/23 since Apr 2021 | Mobile | 14 | ||
| 78.90.18.0/23 since Jun 2025 | Mobile | 11 1 always on | ||
| 78.90.44.0/23 since Jan 2025 | Mobile | 3 | ||
| 78.90.62.0/24 since Jun 2025 | Mobile | 208 | ||
| 78.90.73.0/24 since Jun 2025 | Mobile | 202 | ||
| 78.90.124.0/24 since Jun 2025 | Mobile | 153 | ||
| 78.90.188.0/22 since Jan 2026 | Mobile | |||
| 78.90.218.0/23 since Jun 2025 | Mobile | 6 | ||
| 83.97.30.0/24 since Apr 2021 | Mobile | 5 | ||
| 84.252.40.0/23 since Apr 2021 | Mobile | 2 | ||
| 85.118.64.0/22 since Apr 2021 | Mobile | 1 | ||
| 85.118.68.0/23 since Apr 2021 | Mobile | 71 | ||
| 85.118.70.0/24 since Apr 2021 | Mobile | |||
| 85.118.71.0/24 since Apr 2021 | Mobile | 1 | ||
| 85.118.72.0/23 since Apr 2021 | Mobile | |||
| 85.118.74.0/24 since Apr 2021 | Mobile | 139 | ||
| 85.118.76.0/22 since Apr 2021 | Mobile | 783 | ||
| 85.118.80.0/22 since Apr 2021 | Mobile | 790 | ||
| 85.118.93.0/24 since Apr 2021 | Mobile | 1 | ||
| 89.215.62.0/23 since Apr 2021 | Mobile | 13 | ||
| 151.251.44.0/22 since Apr 2021 | Mobile | 27 | ||
| 151.251.68.0/22 since Mar 2022 | Mobile | 18 | ||
| 151.251.121.0/24 since Sep 2022 | Mobile | 1 | ||
| 151.251.126.0/23 since Jun 2023 | Mobile | 12 1 always on | ||
| 151.251.192.0/22 since Oct 2023 | Mobile | 28 | ||
| 151.251.196.0/24 since May 2024 | Mobile | 2 | ||
| 151.251.200.0/22 since Jun 2024 | Mobile | 33 1 always on | ||
| 151.251.204.0/22 since Dec 2024 | Mobile | 29 3 always on | ||
| 151.251.238.0/24 since Aug 2021 | Mobile | |||
| 151.251.239.0/24 since Aug 2021 | Mobile | |||
| 151.251.240.0/20 since Apr 2021 | Mobile | 3,136 | ||
| 176.222.0.0/20 since Mar 2024 | Mobile | 3,107 | ||
| 185.151.156.0/22 since Apr 2021 | Mobile | 23 2 always on | ||
| 185.224.160.0/23 since Apr 2021 | Mobile | 16 1 always on | ||
| 212.104.116.0/22 since Mar 2024 | Mobile | 1,022 22 always on | ||
| 213.157.133.0/24 since Apr 2025 | Mobile | A1 Telekom Austria AG | ||
| 213.157.134.0/24 since Apr 2025 | Mobile | A1 Telekom Austria AG | ||
| 213.157.135.0/24 since Apr 2025 | Mobile | A1 Telekom Austria AG | ||
| 213.226.17.0/24 since Apr 2021 | Mobile | |||
| 213.226.19.0/24 since Apr 2021 | Mobile | 6 | ||
| 213.226.36.0/24 since Apr 2021 | Mobile | 2 | ||
| 213.226.40.0/24 since Apr 2021 | Mobile | 3 | ||
| 213.226.51.0/24 since Apr 2021 | Mobile | 1 | ||
| 213.226.56.0/24 since Apr 2021 | Mobile | |||
| 213.226.57.0/24 since Apr 2021 | Mobile | |||
| 213.226.59.0/24 since Apr 2021 | Mobile | 132 |
Residential-proxy exposure
Always-on exits
68
0.38% of its exits
Spread
139
/24s with at least one exit
Providers
114
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 212.104.119.0/24 | 8 | 255 | |
| 37.63.17.0/24 | 7 | 253 | |
| 37.63.34.0/24 | 6 | 256 | |
| 212.104.116.0/24 | 6 | 255 | |
| 37.63.19.0/24 | 6 | 255 | |
| 37.63.18.0/24 | 5 | 256 | |
| 37.63.32.0/24 | 5 | 255 | |
| 212.104.118.0/24 | 4 | 256 | |
| 212.104.117.0/24 | 4 | 256 | |
| 37.63.33.0/24 | 4 | 256 | |
| 37.63.35.0/24 | 2 | 255 | |
| 151.251.205.0/24 | 2 | 5 | |
| 37.63.16.0/24 | 1 | 255 | |
| 37.63.11.0/24 | 1 | 155 | |
| 151.251.202.0/24 | 1 | 9 | |
| 185.224.161.0/24 | 1 | 7 | |
| 151.251.204.0/24 | 1 | 6 | |
| 151.251.126.0/24 | 1 | 6 | |
| 185.151.158.0/24 | 1 | 5 | |
| 78.90.19.0/24 | 1 | 5 | |
| 185.151.159.0/24 | 1 | 3 | |
| 151.251.248.0/24 | 0 | 216 | |
| 78.90.62.0/24 | 0 | 208 | |
| 176.222.5.0/24 | 0 | 207 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- FuseProxy
- GSocks
- GeekProxy
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- HydraProxy
- IPCola
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- Kookey
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MagneticProxy
- MangoProxy
- MarsProxies
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NiuProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxio
- Proxiware
- Proxmint
- Proxy-Cheap
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyStyler
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- RealProxy
- ResiProxies
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- SpyderProxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- TrustProxy
- VProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
- YumiProxy
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS12716, day by day
1.1M observations
- Residential
- Mobile
Network & history
Profile
- Registered
- Oct 8, 1999
- Domain
- a1.bg
- Industry
- Computer and Information Technology
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals