Autonomous System
AS51420 cyrilek.net z.s.
ISPActiveCzechiaRIPE
AS51420 (CYRILEK-AS) is an ISP network operated by cyrilek.net z.s. in Czechia, registered with RIPE. It has 18 IPv4 prefixes with 20,480 addresses, which makes it the 6,790th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses20,480in 18 prefixes
IPv6 prefixes0none
Size rank#6,790of 82,200 active ASNs
Details
Organizationcyrilek.net z.s.
AS nameCYRILEK-AS
Websitecyrilek.net
Country Czechia (CZ)
Network typeISP
RegistryRIPE
Abuse contactinfo@cyrilek.net
Registered2010-08-19
Last updated2024-02-22
IPv4 prefixes
18 prefixes · 20,480 addresses| Network | Addresses | First – last address |
|---|---|---|
| 109.164.64.0/19 | 8,192 | 109.164.64.0 – 109.164.95.255 |
| 109.164.64.0/20 | 4,096 | 109.164.64.0 – 109.164.79.255 |
| 109.164.80.0/20 | 4,096 | 109.164.80.0 – 109.164.95.255 |
| 109.164.96.0/23 | 512 | 109.164.96.0 – 109.164.97.255 |
| 109.164.83.0/24 | 256 | 109.164.83.0 – 109.164.83.255 |
| 109.164.84.0/24 | 256 | 109.164.84.0 – 109.164.84.255 |
| 109.164.85.0/24 | 256 | 109.164.85.0 – 109.164.85.255 |
| 109.164.87.0/24 | 256 | 109.164.87.0 – 109.164.87.255 |
| 109.164.88.0/24 | 256 | 109.164.88.0 – 109.164.88.255 |
| 109.164.89.0/24 | 256 | 109.164.89.0 – 109.164.89.255 |
| 109.164.90.0/24 | 256 | 109.164.90.0 – 109.164.90.255 |
| 109.164.91.0/24 | 256 | 109.164.91.0 – 109.164.91.255 |
| 109.164.92.0/24 | 256 | 109.164.92.0 – 109.164.92.255 |
| 109.164.93.0/24 | 256 | 109.164.93.0 – 109.164.93.255 |
| 109.164.94.0/24 | 256 | 109.164.94.0 – 109.164.94.255 |
| 109.164.95.0/24 | 256 | 109.164.95.0 – 109.164.95.255 |
| 109.164.96.0/24 | 256 | 109.164.96.0 – 109.164.96.255 |
| 109.164.97.0/24 | 256 | 109.164.97.0 – 109.164.97.255 |
109.164.64.0/19 109.164.64.0/20 109.164.80.0/20 109.164.96.0/23 109.164.83.0/24 109.164.84.0/24 109.164.85.0/24 109.164.87.0/24 109.164.88.0/24 109.164.89.0/24 109.164.90.0/24 109.164.91.0/24 109.164.92.0/24 109.164.93.0/24 109.164.94.0/24 109.164.95.0/24 109.164.96.0/24 109.164.97.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS51420 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=AS51420&key=YOUR_API_KEY"Any address in its prefixes resolves to AS51420, with or without a key:
curl "https://api.ipapi.is/?q=109.164.64.1"Largest networks in Czechia
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