Autonomous System
AS197197 CETIN a.s.
ISPActiveCzechiaRIPE
AS197197 (M-NET) is an ISP network operated by CETIN a.s. in Czechia, registered with RIPE. It has 1 IPv4 prefix with 16,384 addresses and 1 IPv6 prefix, which makes it the 7,902nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,384in 1 prefix
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#7,902of 82,200 active ASNs
Details
OrganizationCETIN a.s.
AS nameM-NET
Websitecetin.cz
Country Czechia (CZ)
Network typeISP
RegistryRIPE
Abuse contactabuse@cetin.cz
Registered2010-07-28
Last updated2025-10-21
IPv4 prefixes
1 prefix · 16,384 addresses| Network | Addresses | First – last address |
|---|---|---|
| 109.224.64.0/18 | 16,384 | 109.224.64.0 – 109.224.127.255 |
109.224.64.0/18
IPv6 prefixes
1 prefix- 2a00:7e80::/32
2a00:7e80::/32
Query AS197197 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=AS197197&key=YOUR_API_KEY"Any address in its prefixes resolves to AS197197, with or without a key:
curl "https://api.ipapi.is/?q=109.224.64.1"Other networks of CETIN a.s.
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