AS25248 RADIOKOMUNIKACE a.s. 🇨🇿 CZ
Announcing 7 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
106,752 (417 × /24)
IPv6 prefixes
2
1 × /32
Upstreams
3
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
27
transit customers observed
Customer cone
34
ASes reachable through it
Registry and operator data
- AS number
- AS25248
- Name
- RADIOKOMUNIKACE a.s.
- Organisation
- Radiokomunikace
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2002-09-11
- Network type
- NSP
- Traffic levels
- 100-200Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-CRA
- Website
- https://www.cra.cz
- PeeringDB
- net/9934
- Exchanges
- 3
- Facilities
- 3
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 |
|---|---|---|---|---|---|
| AS1299 Arelion (fka. Telia Carrier) | 🇸🇪 SE | 68,730 | 130 | 911 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 65,253 | 3,876 | 448 | CAIDA |
| AS31230 SIX.SK Route Servers | 🇸🇰 SK | 265 | 0 | 49 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 53,010 | 235 | 1,079 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 21,406 | 64 | 49 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,745 | 45 | 47 | CAIDA |
| AS29504 Freenet Liberec, z.s. | 🇨🇿 CZ | 0 | 1 | 55 | CAIDA |
Downstreams
Networks this one appears to provide transit to
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.