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Data as of Nov 7, 2026

37.221.244.0/24

2 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
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Always-on exits
1
50% of its exits
Providers
22
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

1.3K observations

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • FastProxy
  • FlashProxy
  • GonzoProxy
  • IPOasis
  • Infatica
  • LemonBright
  • LightningProxies
  • NodeMaven
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • Shifter
  • VibeProxies
  • VitalExclusive
  • VitalProxy

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
└ 37.221.244.0 - 37.221.244.191192TLAPNET-RNKTlapnet s.r.o. (ORG-TS210-RIPE) · CZASSIGNED PAFeb 16, 2013servis@tlapnet.cz
└ 37.221.244.192/2664TLAPNET-HOSPITAL-RNKTlapnet s.r.o. (ORG-TS210-RIPE) · CZASSIGNED PAFeb 16, 2013servis@tlapnet.cz

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 37.221.240.0/20

Prefix
37.221.240.0/20
Announced by
AS204666 Jiri Tlapak
Type
Residential
Proxy exits
208
Always-on exits
36
RPKI
RPKI valid
Netname
CZ-GRAPESC-20120410
Registrant
ISP Alliance a.s.
RIR
RIPE NCC
Origin network

AS204666

CZ
Name
Jiri Tlapak
Type
Internet provider
Registered
Jan 29, 2018
Domain
tlapnet.cz
Spamhaus ASN-DROP
not listed