AS51800 FIBER Network s.r.o. 🇨🇿 CZ
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
2,048 (8 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
1
transit providers observed
Peers
6
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS51800
- Name
- FIBER Network s.r.o.
- Organisation
- FIBER Network s.r.o.
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2010-11-05
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 217.28.80.0/21 v4 | RPKI valid | 41 | 2448251800 | 2026-09-18 |
| 2a02:28a8::/32 v6 | RPKI valid | 36 | 2448251800 | 2026-09-18 |