Data as of Nov 4, 2026

185.4.200.0/22

13 residential-proxy exits · 30 days

Sys-DataCom s.r.o.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
75% of it

Residential-proxy exits

Proxy exits
13
1.3% of its addresses · 30 days
Always-on exits
1
7.7% of its exits
Spread
3 of 4
/24s with at least one exit
Providers
35
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

2.0K observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
185.4.203.0/24110
185.4.201.0/2402
185.4.200.0/2401

Proxy providers listing exits

  • 2Captcha
  • AnyIP
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GSocks
  • GonzoProxy
  • IPOasis
  • IPPeak
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LightningProxies
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • Proxyma
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VibeProxies
  • VitalExclusive
  • VitalProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
185.4.203.0/24
since Feb 2016
AS44002Residential10
1 always on
Sys-DataCom 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
185.4.200.0/221,024CZ-SYS-DATACOM-20120927Sys-DataCom s.r.o. (ORG-SS84-RIPE) · CZALLOCATED PASep 27, 2012[email protected]
└ 185.4.200.0/24256INFRASTRUCTURE_TTC_NAT_CUSTClients TTC 11-2013/6-2014ASSIGNED PANov 27, 2013[email protected]
via CZ-SYS-DATACOM-20120927
└ 185.4.201.0/24256INFRASTRUCTURE_TTC_CUST_SPINDLERUV-MLYNClients TTC 2016+ locate Spindleruv Mlyn City & ZvicinaASSIGNED PASep 6, 2018[email protected]
via CZ-SYS-DATACOM-20120927
└ 185.4.202.0/24256DATA-CONNECT-CZnetwork DATA-CONNECTASSIGNED PAApr 21, 2017[email protected]
via CZ-SYS-DATACOM-20120927
└ 185.4.203.0/25128TCNET_CUSTOMERTCnet.cz network - BlatouchovaASSIGNED PASep 6, 2018[email protected]
via CZ-SYS-DATACOM-20120927
└ 185.4.203.128 - 185.4.203.231104INFRASTRUCTURE_CECOLO_CUSTClients Lipence & ArnikaASSIGNED PAMar 2, 2026[email protected]
via CZ-SYS-DATACOM-20120927
└ 185.4.203.232/298VZSPOL_Cisovice_BojovVZSPOL s.r.o. (ORG-VS403-RIPE) · CZASSIGNED PAMar 2, 2026[email protected]
└ 185.4.203.240/2816INFRASTRUCTURE_CECOLO_CUSTClients Lipence & ArnikaASSIGNED PAMar 2, 2026[email protected]
via CZ-SYS-DATACOM-20120927

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Residential76875%1
Business25625%6

Network & registry

Origin network

AS44002

CZ
Name
Sys-DataCom s.r.o.
Type
Internet provider
Registered
Nov 1, 2007
Domain
sys-data.com
Website
www.sys-data.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed