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Data as of Nov 12, 2026

151.251.76.0/22

53 residential-proxy exits · 30 days

A1 Bulgaria EAD

Announcement
151.251.0.0/16
RPKI valid
Announced by
AS8717
Type
Residential

Residential-proxy exits

Proxy exits
53
5.2% of its addresses · 30 days
Always-on exits
2
3.8% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
71
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

6.1K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
151.251.76.0/24120
151.251.78.0/24115
151.251.77.0/24014
151.251.79.0/2404

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 911Proxy
  • Ake.net
  • AnyIP
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonix
  • GhostConnect
  • GloryCloud
  • GonzoProxy
  • IPMUSK
  • IPOasis
  • IPPeak
  • Infatica
  • InfiniteProxies
  • KindProxy
  • LUMIPROXY
  • LemonBright
  • LemonPrime
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PROXYSCRAPE
  • PSBProxy
  • PrivateByte
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • Proxyma
  • Q2IP
  • RainProxy
  • RapidProxy
  • Shifter
  • Smartproxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
151.251.76.0/24
since Oct 2023
AS29580Residential20
1 always on
A1 Bulgaria EAD
151.251.77.0/24
since Oct 2023
AS29580Residential14A1 Bulgaria EAD
151.251.78.0/23
since Oct 2023
AS29580Residential19
1 always on
A1 Bulgaria EAD

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
151.251.0.0/1665,536BG-MTELNET-20120821A1 Bulgaria EAD (ORG-MN1-RIPE) · BGALLOCATED PAAug 21, 2012RIPE.Abuse@a1.bg
└ 151.251.76.0/221,024A17622unknownASSIGNED PAApr 20, 2022RIPE.Abuse@a1.bg
via BG-MTELNET-20120821

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 151.251.0.0/16

151.251.0.0/16

Routing history

Pattern
Rotating
First seen
Aug 2012
Current origin since
Feb 2022 · 4.7 yr
Origin networks
2
Last change of origin
Feb 2022
Recorded history

History

Handoffs
1