Autonomous System

AS28725 CETIN a.s.

ISPActiveCzechiaRIPE

AS28725 (CETIN-AS) is an ISP network operated by CETIN a.s. in Czechia, registered with RIPE. It has 9 IPv4 prefixes with 265,472 addresses and 2 IPv6 prefixes, which makes it the 1,043rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses265,472in 9 prefixes
IPv6 prefixes2≈ 7.1 × 10²⁹ addresses
Size rank#1,043of 82,200 active ASNs
Abuser scoreLow0.07% of its addresses flagged · method

Details

OrganizationCETIN a.s.
AS nameCETIN-AS
Websitecetin.cz
Country Czechia (CZ)
Network typeISP
RegistryRIPE
Abuse contactabuse@cetin.cz
Registered2003-02-10
Last updated2020-03-24

IPv4 prefixes

9 prefixes · 265,472 addresses
NetworkAddressesFirst – last address
85.162.0.0/15131,07285.162.0.0 – 85.163.255.255
85.162.0.0/1665,53685.162.0.0 – 85.162.255.255
85.163.0.0/1665,53685.163.0.0 – 85.163.255.255
194.50.64.0/221,024194.50.64.0 – 194.50.67.255
194.147.12.0/221,024194.147.12.0 – 194.147.15.255
185.218.92.0/23512185.218.92.0 – 185.218.93.255
80.78.150.0/2425680.78.150.0 – 80.78.150.255
136.238.226.0/24256136.238.226.0 – 136.238.226.255
212.96.180.0/24256212.96.180.0 – 212.96.180.255

IPv6 prefixes

2 prefixes
  • 2a07:1f40::/29
  • 2a0b:bb40::/32

Query AS28725 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS28725&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS28725, with or without a key:

curl "https://api.ipapi.is/?q=85.162.0.1"

Other networks of CETIN a.s.

AS197197 CETIN a.s.16,384 IPv4 addresses

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