AS16246 O2 Czech Republic, a.s. 🇨🇿 CZ
Announcing 15 prefixes, seen at the RIS collectors.
IPv4 prefixes
13
133,120 (520 × /24)
IPv6 prefixes
2
9 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
14
transit customers observed
Customer cone
28
ASes reachable through it
Registry and operator data
- AS number
- AS16246
- Name
- O2 Czech Republic, a.s.
- Organisation
- Nej.cz s.r.o.
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2001-02-07
- Network type
- Cable/DSL/ISP
- Traffic levels
- 300-500Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-NEJCZ-TRANSIT
- Website
- http://www.nej.cz
- PeeringDB
- net/2265
- Facilities
- 2
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 |
|---|---|---|---|---|
| 2a02:350::/29 v6 | RPKI valid | 33 | 202297561016246 | 2026-09-18 |
| 2a03:b4c0::/32 v6 | RPKI valid | 33 | 202297561016246 | 2026-09-18 |