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Data as of Nov 4, 2026

151.251.138.0/24

10 residential-proxy exits · 30 days

A1 Bulgaria EAD

Announcement
151.251.136.0/22
RPKI valid
Announced by
AS29580
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
10
3.9% of its addresses · 30 days
Providers
43
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

355 observations

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GloryCloud
  • GonzoProxy
  • IPOasis
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonBright
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyWing
  • Proxyma
  • RainProxy
  • Shifter
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalData
  • VitalExclusive

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.251.0.0/16
since Feb 2022
AS8717Residential5,646
114 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
└ 151.251.136.0/212,048A1BG-Fiber-Power136A1 Bulgaria EADASSIGNED PASep 20, 2012RIPE.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
Announced by

Covering announcement 151.251.136.0/22

Prefix
151.251.136.0/22
Announced by
AS29580 A1 Bulgaria EAD
Type
Residential
Proxy exits
47
Always-on exits
4
RPKI
RPKI valid
Netname
A1BG-Fiber-Power136
Registrant
A1 Bulgaria EAD
RIR
RIPE NCC
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

AS29580

BG
Name
A1 Bulgaria EAD
Type
Internet provider
Registered
Oct 15, 2003
Domain
a1.bg
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed