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Data as of Nov 8, 2026

151.249.128.0/18

6,051 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

Residential-proxy exits

Proxy exits
6,051
37% of its addresses · 30 days
Always-on exits
86
1.4% of its exits
Spread
56 of 64
/24s with at least one exit
Providers
116
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

372K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
151.249.174.0/2412241
151.249.170.0/2412238
151.249.171.0/249237
151.249.164.0/249201
151.249.169.0/248242
151.249.173.0/247244
151.249.168.0/245243
151.249.172.0/244242
151.249.163.0/244199
151.249.161.0/244195
151.249.175.0/244122
151.249.162.0/242206
151.249.166.0/242204
151.249.165.0/242204
151.249.160.0/241213
151.249.183.0/24176
151.249.167.0/240103
151.249.158.0/24087
151.249.188.0/24086
151.249.159.0/24085
151.249.157.0/24081
151.249.176.0/24081
151.249.191.0/24078
151.249.178.0/24078

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FROXY
  • FastProxy
  • FlashProxy
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYWING_BASIC
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_BASIC
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • Webshare
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.249.128.0/17
since May 2015
AS44546Residential12,712
183 always on
ALFA TELECOM s.r.o.
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
151.249.128.0/21
since Apr 2021
AS42772Mobile482ALFA TELECOM s.r.o.
151.249.136.0/21
since Apr 2021
AS42772Mobile485ALFA TELECOM s.r.o.
151.249.144.0/22
since May 2024
AS42772MobileALFA TELECOM s.r.o.
151.249.148.0/22
since May 2024
AS42772MobileALFA TELECOM s.r.o.
151.249.152.0/21
since Oct 2023
AS42772Mobile611ALFA TELECOM s.r.o.
151.249.160.0/21
since Mar 2021
AS42772Mobile1,525
24 always on
ALFA TELECOM s.r.o.
151.249.168.0/21
since Mar 2021
AS42772Mobile1,809
61 always on
ALFA TELECOM s.r.o.
151.249.176.0/21
since Oct 2023
AS42772Mobile585
1 always on
ALFA TELECOM s.r.o.
151.249.184.0/21
since Oct 2023
AS42772Mobile561ALFA 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
151.249.128.0/1732,768CZ-ALFATELECOM-20120820ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZALLOCATED PAAug 20, 2012abuse@alfatelecom.cz
└ 151.249.128.0/1816,384A1-NETUnitary enterprise A1 (ORG-JMDC1-RIPE) · BYASSIGNED PAJul 7, 2014abuse@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
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