AS2852
CESNET z.s.p.o. Education registered in Czechia
26IPv4 prefixes
1IPv6 prefixes
100%RPKI-valid
#1,605AS Rank
#21Rank in Czechia
1993-12-20Allocated
CESNET z.s.p.o. (AS2852) — Education, registered in Czechia. announces 26 IPv4 prefixes + 1 IPv6 prefixes. Rank in Czechia: #21. Allocated: 1993-12-20.
IPv4 26IPv6 1
Announced prefixes · 27
- v4 146.102.0.0/16 valid
- v4 147.228.0.0/16 valid
- v4 147.230.0.0/16 valid
- v4 147.231.0.0/16 valid
- v4 147.251.0.0/16 valid
- v4 147.32.0.0/16 valid
- v4 147.33.0.0/16 valid
- v4 158.194.0.0/16 valid
- v4 158.196.0.0/16 valid
- v4 160.216.0.0/16 valid
- v4 160.217.0.0/16 valid
- v4 185.8.160.0/22 valid
- v4 193.84.104.0/22 valid
- v4 193.84.116.0/23 valid
- v4 193.84.160.0/20 valid
- v4 193.84.192.0/19 valid
- v4 193.84.192.0/20 valid
- v4 193.84.208.0/20 valid
- v4 193.84.32.0/20 valid
- v4 193.84.53.0/24 valid
- v4 193.84.55.0/24 valid
- v4 193.84.56.0/21 valid
- v4 193.84.80.0/22 valid
- v4 195.113.0.0/16 valid
- v4 195.178.64.0/19 valid
- v4 78.128.128.0/17 valid
- v6 2001:718::/29 valid
RPKI: rpki.cloudflare.com · 2026-06-17
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 27 |
| 2026-06-13 | 27 |
| 2026-06-14 | 28 |
| 2026-06-15 | 27 |
Internet Exchanges · 3
- NIX.CZ Prague 400 Gbps
- DE-CIX Frankfurt Frankfurt 30 Gbps
- AMS-IX Amsterdam 20 Gbps
AS topology · Customer cone 20
Peers · 142
Embed this on your site
Badge 
[](https://ipdex.io/asn/AS2852/)
<a href="https://ipdex.io/asn/AS2852/"><img src="https://ipdex.io/badge/asn/2852.svg" alt="AS2852 on ipdex"></a>
Live chart (iframe)
<iframe src="https://ipdex.io/embed/asn/2852" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>