AS42908 O2 Czech Republic, a.s. 🇨🇿 CZ
Announcing 44 prefixes, seen at the RIS collectors.
IPv4 prefixes
35
183,296 (716 × /24)
IPv6 prefixes
9
37 × /32
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS42908
- Name
- O2 Czech Republic, a.s.
- Organisation
- Nordic Telecom
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2007-05-09
- Scope
- Not Disclosed
- Peering policy
- Open
- IRR as-set
- AS-NORDICTELECOM
- Website
- https://www.nordictelecom.cz/
- PeeringDB
- net/18184
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 |
|---|---|---|---|---|---|
| AS5610 O2 Czech Republic, a.s. | 🇨🇿 CZ | 82 | 67 | 1,911 | CAIDA |
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 |
|---|---|---|---|---|---|
| AS202643 NetSERV, s.r.o. | 🇨🇿 CZ | 0 | 1 | 69 | CAIDA |
| AS33442 Zebra Technologies Corporation | 🇺🇸 US | 0 | 26 | 7 | 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.