AS42908 is an AS number assigned to CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s.. Country or region: Czechia.

OrganizationCZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s.
CountryCzechia (CZ)
IPv4 addresses183,296
IPv4 ranges35
IPv6 ranges9
RegistrationLook up the holder and the abuse contact in IP Lookup

AS numbers: Czechia

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
213.19.0.0/17 32,768 Check if your IP is in this range
78.136.128.0/18 16,384 Check if your IP is in this range
94.241.64.0/18 16,384 Check if your IP is in this range
213.250.192.0/18 16,384 Check if your IP is in this range
88.81.64.0/19 8,192 Check if your IP is in this range
91.187.32.0/19 8,192 Check if your IP is in this range
109.108.96.0/19 8,192 Check if your IP is in this range
176.102.128.0/19 8,192 Check if your IP is in this range
213.155.32.0/19 8,192 Check if your IP is in this range
5.102.48.0/20 4,096 Check if your IP is in this range
80.87.176.0/20 4,096 Check if your IP is in this range
80.90.128.0/20 4,096 Check if your IP is in this range
80.251.240.0/20 4,096 Check if your IP is in this range
92.61.80.0/20 4,096 Check if your IP is in this range
178.17.80.0/20 4,096 Check if your IP is in this range
217.170.96.0/20 4,096 Check if your IP is in this range
217.196.112.0/20 4,096 Check if your IP is in this range
217.197.144.0/20 4,096 Check if your IP is in this range
31.10.56.0/21 2,048 Check if your IP is in this range
46.183.56.0/21 2,048 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

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