Data as of Nov 6, 2026

151.237.224.0/21

2 residential-proxy exits · 30 days

Quantcom, a.s.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
97% of it

Residential-proxy exits

Proxy exits
2
0.10% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
21
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

998 observations

Proxy providers listing exits

  • BartProxies
  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • GSocks
  • Geonix
  • IPPeak
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VitalExclusive

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
151.237.224.0/212,048CZ-QUANTCOM-20120816Quantcom, a.s. (ORG-IA8-RIPE) · CZALLOCATED PAAug 16, 2012abuse@dialtelecom.cz
└ 151.237.224.0/24256Statutarni-mesto-BrnoStatutarni mesto BrnoASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.225.0/24256Statutarni-mesto-BrnoStatutarni mesto BrnoASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.226.0/24256MAXNET-REZINET-OFFICENET-BRNONew range for customers in Brno cityASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.227.0/24256MAXNET-REZINET-OFFICENET-BOSKOVICENew range for customers in Boskovice cityASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.228.0/24256MAXNET-REZINET-OFFICENET-BOSKOVICENew range for customers in Boskovice cityASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.229.0/24256MAXNET-REZINET-OFFICENET-PRAHANew range for customers in Praha cityASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.230.0/24256MAXNET-REZINET-OFFICENET-PLZENNew range for customers in Plzen cityASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816
└ 151.237.231.0/2664MAXNET-VIRTUALIZATION-MAXPROGRES-COMPANYNew range for Maxprogres - internal use for virtual services on serversASSIGNED PAMar 14, 2013abuse@dialtelecom.cz
via CZ-QUANTCOM-20120816

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
Internet provider1,98497%2
Business643.1%1

Network & registry

Origin network

AS29208

CZ
Name
Quantcom, a.s.
Type
Internet provider
Registered
Jul 1, 2003
Domain
quantcom.cz
Website
www.quantcom.cz
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed