The domain registration date is .

IP Addresses

IP Address Autonomous System Number (ASN) Internet Service Provider (ISP) / Organization Location AS2852 CESNET z.s.p.o. Czech Academy of Sciences Czech Republic

Server Locations

Location250 67 Klecany, Stredocesky kraj, Czech Republic (CZ)
Latitude50.1765° (50° 10′ 35″ N)
Longitude14.4124° (14° 24′ 44″ E)
Local Time

IP WHOIS Information

IP Address Range147.231.0.0 -
Subnet Size65,536 IP addresses
CIDR Notation147.231.0.0/16
Date Registered
Date Updated
Net ReferenceRIPE
RegistrantCzech Academy of Sciences (ORG-AoSo1-RIPE), Czech Academy of Sciences, Akademie ved Ceske republiky, Narodni 3, Praha 1, 117 20, The Czech Republic, Czechia (CZ), RIPE # Filtered

IP Address Range147.228.0.0 -
Subnet Size655,360 IP addresses
CIDR Notation147.228.0.0/14,,
Net NameRIPE-ERX-147-228-0-0
Net HandleNET-147-228-0-0-1
Net TypeEarly Registrations, Transferred to RIPE NCC
Date Registered
Date Updated
Net Referencehttps://whois.arin.net/rest/net/NET-147-228-0-0-1
RegistrantRIPE Network Coordination Centre (RIPE), P.O. Box 10096, Amsterdam 1001EB, Netherlands (NL), https://whois.arin.net/rest/org/RIPE

IANA IPv4 Address Space Allocation

DesignationAdministered by ARIN
Allocation Date
StatusLEGACY - allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis.

DNS Resource Records

In this section you will find important DNS resource records for fzu.cz. SOA records, Name Server records, and MX records are included when available. Additional supporting data includes serial numbers, refresh rates, retry times, TTL, priority, and length to expire will be shown.

Node Name Class Type Data TTL
fzu.cz IN A

Domain WHOIS Information

This is the fzu.cz WHOIS information that includes important registration and owner details. Where applicable, you will find registrar info, important dates, name servers, and registration data. Registration data in most cases will include the Name, Organization, Address, City, State or Province, Postal Code, Country, Phone Number, and email address for Registrant, Administrative, and Technical contacts.