LAYER3 INTEL
Get started
Sign in
Data as of Nov 6, 2026

151.249.242.0/23

308 residential-proxy exits · 30 days

Unitary enterprise A1 · space held by ALFA TELECOM s.r.o.

Announcement
151.249.240.0/22
RPKI valid
Announced by
AS42772
Type
Mobile
Risk
10 / 100 · Low
Shared address

Residential-proxy exits

Proxy exits
308
60% of its addresses · 30 days
Spread
2 of 2
/24s with at least one exit
Providers
68
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

4.3K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
151.249.243.0/240161
151.249.242.0/240148

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • Geonode
  • GhostConnect
  • GloryCloud
  • HideProxy
  • IPCola
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LudaxProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NextProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateByte
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • PuraRoute
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • VantageProxies
  • Webshare

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.249.128.0/17
since May 2015
AS44546Residential12,670
178 always on
ALFA TELECOM s.r.o.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
151.249.128.0/1732,768CZ-ALFATELECOM-20120820ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZALLOCATED PAAug 20, 2012abuse@alfatelecom.cz
└ 151.249.192.0/1816,384A1-NETUnitary enterprise A1 (ORG-JMDC1-RIPE) · BYASSIGNED PAJul 7, 2014abuse@a1.by

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 151.249.240.0/22

Prefix
151.249.240.0/22
Announced by
AS42772 Unitary enterprise A1
Type
Mobile
Proxy exits
604
RPKI
RPKI valid
Netname
A1-NET
Registrant
Unitary enterprise A1
RIR
RIPE NCC
IPv4 market

Holder

Holder in the market →
Organization
ALFA TELECOM s.r.o.
Handle
ORG-ATS13-RIPE
Range
151.249.128.0/17
Registration type
ALLOCATED PA
Record created
Aug 20, 2012
Origin network

AS42772

BY
Name
Unitary enterprise A1
Type
Internet provider
Registered
Apr 13, 2007
Domain
a1.by
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed