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Data as of Nov 7, 2026

146.120.136.0/21

779 residential-proxy exits · 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS42772
Type
Mobile
Risk
10 / 100 · Low
Shared address

Residential-proxy exits

Proxy exits
779
38% of its addresses · 30 days
Spread
8 of 8
/24s with at least one exit
Providers
74
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

10K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
146.120.136.0/240107
146.120.143.0/240104
146.120.142.0/240100
146.120.138.0/24098
146.120.139.0/24095
146.120.140.0/24094
146.120.141.0/24090
146.120.137.0/24089

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GSocks
  • Geonode
  • GhostConnect
  • GloryCloud
  • HideProxy
  • IPCola
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LudaxProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • YumiProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
146.120.0.0/16
since Nov 2013
AS44546Residential10,584
2,003 always on
ALFA TELECOM s.r.o.

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
146.120.0.0/1665,536CZ-ALFATELECOM-20110712ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZALLOCATED PAJul 12, 2011abuse@alfatelecom.cz
└ 146.120.128.0/204,096A1-NETUnitary enterprise A1 (ORG-JMDC1-RIPE) · BYASSIGNED PAAug 15, 2016abuse@a1.by

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
ALFA TELECOM s.r.o.
Handle
ORG-ATS13-RIPE
Range
146.120.0.0/16
Registration type
ALLOCATED PA
Record created
Jul 12, 2011
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