Autonomous System
AS34040 TTNET s.r.o.
ISPActiveCzechiaRIPE
AS34040 (CZTTNET-AS) is an ISP network operated by TTNET s.r.o. in Czechia, registered with RIPE. It has 4 IPv4 prefixes with 13,824 addresses and 1 IPv6 prefix, which makes it the 8,564th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses13,824in 4 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#8,564of 82,200 active ASNs
Details
OrganizationTTNET s.r.o.
AS nameCZTTNET-AS
Websitettnet.cz
Country Czechia (CZ)
Network typeISP
RegistryRIPE
Abuse contactabuse-ttnet@ttnet.cz
Registered2004-10-07
Last updated2026-02-26
IPv4 prefixes
4 prefixes · 13,824 addresses| Network | Addresses | First – last address |
|---|---|---|
| 62.204.224.0/19 | 8,192 | 62.204.224.0 – 62.204.255.255 |
| 87.249.144.0/20 | 4,096 | 87.249.144.0 – 87.249.159.255 |
| 87.249.140.0/22 | 1,024 | 87.249.140.0 – 87.249.143.255 |
| 62.204.228.0/23 | 512 | 62.204.228.0 – 62.204.229.255 |
62.204.224.0/19 87.249.144.0/20 87.249.140.0/22 62.204.228.0/23
IPv6 prefixes
1 prefix- 2a02:17b8::/32
2a02:17b8::/32
Query AS34040 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=AS34040&key=YOUR_API_KEY"Any address in its prefixes resolves to AS34040, with or without a key:
curl "https://api.ipapi.is/?q=62.204.224.1"Largest networks in Czechia
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