Data as of Nov 10, 2026
Autonomous system
AS12716
A1 Bulgaria EAD
Announces 41,472 addresses in 56 prefixes. None of it is anonymizer space.
Type
Internet provider
BG
Proxy activity, 30 days
18K exits
#436 among origins
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 37.63.0.0/20 since Apr 2021 | Mobile | 2,694 1 always on | ||
| 37.63.16.0/22 since Apr 2021 | Mobile | 1,021 13 always on | ||
| 37.63.20.0/22 since Feb 2023 | Mobile | 815 | ||
| 37.63.24.0/22 since Mar 2023 | Residential | 806 | ||
| 37.63.28.0/22 since Sep 2023 | Residential | 688 | ||
| 37.63.32.0/22 since Mar 2024 | Residential | 1,022 13 always on | ||
| 37.63.96.0/22 since May 2024 | Residential | 676 | ||
| 62.204.154.0/23 since Apr 2021 | Mobile | 13 | ||
| 78.90.18.0/23 since Jun 2025 | Mobile | 12 1 always on | ||
| 78.90.44.0/23 since Jan 2025 | Mobile | 3 | ||
| 78.90.62.0/24 since Jun 2025 | Mobile | 206 | ||
| 78.90.73.0/24 since Jun 2025 | Mobile | 211 | ||
| 78.90.124.0/24 since Jun 2025 | Mobile | 156 | ||
| 78.90.125.0/24 since Nov 6, 2026 | Mobile | |||
| 78.90.161.0/24 since Nov 6, 2026 | Mobile | |||
| 78.90.185.0/24 since Nov 6, 2026 | Mobile | |||
| 78.90.188.0/22 since Jan 2026 | Mobile | |||
| 78.90.218.0/23 since Jun 2025 | Mobile | 7 | ||
| 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 | 72 | ||
| 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 | 153 | ||
| 85.118.76.0/22 since Apr 2021 | Mobile | 832 | ||
| 85.118.80.0/22 since Apr 2021 | Mobile | 822 | ||
| 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 | 35 | ||
| 151.251.68.0/22 since Mar 2022 | Mobile | 20 | ||
| 151.251.121.0/24 since Sep 2022 | Mobile | 1 | ||
| 151.251.126.0/23 since Jun 2023 | Mobile | 16 1 always on | ||
| 151.251.192.0/22 since Oct 2023 | Mobile | 25 | ||
| 151.251.196.0/24 since May 2024 | Mobile | 2 | ||
| 151.251.200.0/22 since Jun 2024 | Mobile | 34 4 always on | ||
| 151.251.204.0/22 since Dec 2024 | Mobile | 35 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 | 3,278 | ||
| 176.222.0.0/20 since Mar 2024 | Mobile | 3,248 | ||
| 185.151.156.0/22 since Apr 2021 | Mobile | 22 2 always on | ||
| 185.224.160.0/23 since Apr 2021 | Mobile | 18 1 always on | ||
| 212.104.116.0/22 since Mar 2024 | Mobile | 1,022 9 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 1 always on | ||
| 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 | 152 |
Residential-proxy exposure
Always-on exits
49
0.27% of its exits
Spread
139
/24s with at least one exit
Providers
130
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 37.63.34.0/24 | 6 | 256 | |
| 212.104.116.0/24 | 5 | 255 | |
| 37.63.17.0/24 | 5 | 255 | |
| 37.63.18.0/24 | 4 | 256 | |
| 37.63.32.0/24 | 4 | 255 | |
| 37.63.19.0/24 | 4 | 255 | |
| 37.63.33.0/24 | 3 | 256 | |
| 212.104.118.0/24 | 3 | 256 | |
| 151.251.200.0/24 | 2 | 8 | |
| 151.251.205.0/24 | 2 | 6 | |
| 212.104.119.0/24 | 1 | 255 | |
| 37.63.11.0/24 | 1 | 166 | |
| 151.251.126.0/24 | 1 | 10 | |
| 185.224.161.0/24 | 1 | 9 | |
| 151.251.202.0/24 | 1 | 9 | |
| 151.251.204.0/24 | 1 | 9 | |
| 151.251.201.0/24 | 1 | 7 | |
| 213.226.19.0/24 | 1 | 6 | |
| 78.90.19.0/24 | 1 | 5 | |
| 185.151.158.0/24 | 1 | 5 | |
| 185.151.159.0/24 | 1 | 3 | |
| 212.104.117.0/24 | 0 | 256 | |
| 37.63.16.0/24 | 0 | 255 | |
| 37.63.35.0/24 | 0 | 255 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 911Proxy
- 9Proxy
- ASHBURNPROXIES
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EVOPROXY
- EZProxies
- EnigmaProxy
- Evomi
- FLEETPROXY
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- FuseProxy
- GSocks
- GeekProxy
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HPROXY
- HideProxy
- HydraProxy
- IPCola
- IPFly
- IPMUSK
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- Kookey
- LUMIPROXY
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MagneticProxy
- MangoProxy
- MarsProxies
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NiuProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PROXYON
- PROXYSCRAPE
- PROXYWING_BASIC
- 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
- QUANTICDATA
- RH7Proxy
- RainProxy
- RapidProxy
- RealProxy
- ResiProxies
- RoamProxy
- RolaProxy
- SPYDERPROXY_BASIC
- SPYDERPROXY_PREMIUM
- Shifter
- Smartproxy
- SpyderProxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- TrustProxy
- VProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
- YumiProxy
- ZENPROXY_LITE
- ZENPROXY_PREMIUM
Proxy activity
Oct 11, 2026 – Nov 9, 2026
AS12716, day by day
1.2M 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