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Data as of Nov 7, 2026

151.251.44.0/22

34 residential-proxy exits · 30 days

A1 Bulgaria EAD

Announcement
this exact prefix
RPKI valid
Announced by
AS12716
Type
Mobile
Risk
10 / 100 · Low
Shared address

Residential-proxy exits

Proxy exits
34
3.3% of its addresses · 30 days
Spread
4 of 4
/24s with at least one exit
Providers
66
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

4.3K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
151.251.44.0/2409
151.251.45.0/2409
151.251.47.0/2409
151.251.46.0/2408

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeProxy
  • NovaProxy
  • Novada
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • Shifter
  • Smartproxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_LITE

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.251.0.0/16
since Feb 2022
AS8717Residential5,770
118 always on
A1 Bulgaria EAD

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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
└ 151.251.44.0/221,024A1-44unknownASSIGNED PADec 30, 2020RIPE.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
Registry

Holder

Organization
A1 Bulgaria EAD
Handle
ORG-MN1-RIPE
Range
151.251.0.0/16
Registration type
ALLOCATED PA
Record created
Aug 21, 2012
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