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Data as of Nov 3, 2026

79.98.72.0/21

83 residential-proxy exits · 30 days

Sys-DataCom s.r.o.

Announcement
this exact prefix
RPKI valid
Announced by
AS44002
Type
Residential
69% of it

Residential-proxy exits

Proxy exits
83
4.1% of its addresses · 30 days
Always-on exits
10
12% of its exits
Spread
7 of 8
/24s with at least one exit
Providers
73
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

19K observations
  • Residential
  • Business
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
79.98.72.0/24848
79.98.77.0/24214
79.98.73.0/2408
79.98.74.0/2404
79.98.78.0/2404
79.98.75.0/2403
79.98.79.0/2402

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateProxy
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • Webshare

Announcements

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
79.98.72.0/24
since Jun 2010
AS44002Residential48
8 always on
Sys-DataCom s.r.o.
79.98.73.0/24
since Jun 2010
AS44002Internet provider8Sys-DataCom s.r.o.
79.98.74.0/24
since Jun 2010
AS44002Residential4Sys-DataCom s.r.o.
79.98.75.0/24
since Jun 2010
AS44002Residential3Sys-DataCom s.r.o.
79.98.76.0/24
since Jul 2020
AS44002ResidentialSys-DataCom s.r.o.
79.98.77.0/24
since Jun 2010
AS44002Residential14
2 always on
Sys-DataCom s.r.o.
79.98.78.0/24
since Dec 2016
AS44002Residential4Sys-DataCom s.r.o.
79.98.79.0/24
since Feb 2014
AS44002Internet provider2Sys-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
79.98.72.0/212,048CZ-SYS-DATACOM-20071029Sys-DataCom s.r.o. (ORG-SS84-RIPE) · CZALLOCATED PAOct 29, 2007[email protected]
└ 79.98.72.0/24256SYS-DATACOM_INFRASTRUCTURESys-datacom, s.r.o.ASSIGNED PAJul 31, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.73.0/24256SYS-DATACOM_INFRASTRUCTUREClients TTCASSIGNED PASep 6, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.74.0/25128SYS-DATACOM_CUKRAKSys-datacom, s.r.o.ASSIGNED PASep 26, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.74.128/25128SYS-DATACOM_INFRASTRUCTUREClients TTCASSIGNED PASep 6, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.75.0/2664SYS-DATACOM_INFRASTRUCTUREClients Sitel NATASSIGNED PASep 6, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.75.64/2664SYS-DATACOM_INFRASTRUCTUREClients Lipence trzniceASSIGNED PASep 6, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.75.128/25128SYS-DATACOM_INFRASTRUCTUREClients Sitel NATASSIGNED PASep 6, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.77.0/24256DATA-CONNECT-CZnetwork DATA-CONNECTASSIGNED PASep 6, 2012[email protected]
└ 79.98.78.0/25128INFRASTRUCTURE_TTC_NAT_CUSTClients TTC 1-8 2011ASSIGNED PAMay 7, 2012[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.78.128/2664SYS-DATACOM_INFRASTRUCTURE_TTC_CUSTunknownASSIGNED PAMay 12, 2025[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.78.192/2816SYS-DATACOM_INFRASTRUCTURE_TTC_CUSTunknownASSIGNED PASep 6, 2018[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.78.208/304CUSTOMERS_Veseli_Nad_LuzniciunknownASSIGNED PAApr 27, 2017[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.78.212 - 79.98.78.25544SYS-DATACOM_INFRASTRUCTURE_TTC_CUSTunknownASSIGNED PASep 6, 2018[email protected]
via CZ-SYS-DATACOM-20071029
└ 79.98.79.0/24256INFRASTRUCTURE_TTC_NAT_CUSTClients TTC 8-2012/11-2013ASSIGNED PANov 27, 2013[email protected]
via CZ-SYS-DATACOM-20071029

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

2,048 addresses
TypeAddressesShareRanges
Residential1,40469%7
Internet provider51225%2
Business1326.4%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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