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
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS15935 ha-vel internet s.r.o. | 🇨🇿 CZ | 33 | 13 | 117 | CAIDA |
| AS29504 Freenet Liberec, z.s. | 🇨🇿 CZ | 0 | 1 | 1 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
No peers observed at the collectors.
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS202556 Blond & Brown s.r.o. | 🇨🇿 CZ | 0 | 1 | 4 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.