AS43757 ICZ a.s. 🇨🇿 CZ
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
2,304 (9 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS43757
- Name
- ICZ a.s.
- Organisation
- ICZ a.s.
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2007-09-24
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 78.31.24.0/21 v4 | RPKI valid | 42 | 24482561043757 | 2026-09-18 |
| 192.108.126.0/24 v4 | RPKI valid | 42 | 34549557843757 | 2026-09-18 |
| 2001:67c:1578::/48 v6 | RPKI valid | 34 | 202297561043757 | 2026-09-18 |