AS201727 Blond & Brown s.r.o. 🇨🇿 CZ
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
2,048 (8 × /24)
IPv6 prefixes
1
256 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS201727
- Name
- Blond & Brown s.r.o.
- Organisation
- Blond & Brown s.r.o.
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2014-08-01
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 |
|---|---|---|---|---|
| 45.140.240.0/22 v4 | no ROA | 41 | 2448215935201727 | 2026-09-18 |
| 185.64.40.0/22 v4 | no ROA | 41 | 2448215935201727 | 2026-09-18 |
| 2a03:1160::/40 v6 | no ROA | 35 | 29504201727 | 2026-09-18 |