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Data as of Nov 14, 2026

37.221.240.0/22

51 residential-proxy exits · 30 days

Jiri Tlapak · space held by ISP Alliance a.s.

Announcement
37.221.240.0/20
RPKI valid
Announced by
AS204666
Type
Residential

Residential-proxy exits

Proxy exits
51
5.0% of its addresses · 30 days
Always-on exits
6
12% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
71
selling exits here
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

23K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.221.241.0/24319
37.221.242.0/24214
37.221.243.0/24117
37.221.240.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GoProxies
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPROCKET_BASIC
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LightningProxies
  • MangoProxy
  • MarsProxies
  • Maskify
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • Webshare
  • ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
37.221.241.0/24
since Apr 2025
AS204666Residential19
3 always on
ISP Alliance a.s.
37.221.242.0/24
since Apr 2025
AS204666Residential14
2 always on
ISP Alliance a.s.
37.221.243.0/24
since Apr 2025
AS204666Residential17
1 always on
ISP Alliance a.s.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.221.240.0/204,096CZ-GRAPESC-20120410ISP Alliance a.s. (ORG-GSA22-RIPE) · CZALLOCATED PAApr 10, 2012abuse@ispalliance.cz
└ 37.221.240.0/221,024TLAPNET-CaslavTlapnet s.r.o. (ORG-TS210-RIPE) · CZASSIGNED PAFeb 16, 2013servis@tlapnet.cz

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 37.221.240.0/20

37.221.240.0/20

Routing history

Pattern
Rotating
First seen
May 2012
Current origin since
May 2025 · 1.5 yr
Origin networks
4
Last change of origin
May 2025
Recorded history

History

Handoffs
3