AS25424 CEZNET s.r.o. 🇨🇿 CZ
Announcing 9 prefixes, seen at the RIS collectors.
IPv4 prefixes
7
33,792 (132 × /24)
IPv6 prefixes
2
16 × /32
Upstreams
3
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
4
ASes reachable through it
Registry and operator data
- AS number
- AS25424
- Name
- CEZNET s.r.o.
- Organisation
- InterneXt 2000
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2002-11-19
- Network type
- Cable/DSL/ISP
- Traffic levels
- 50-100Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- RIPE::AS-INEXT
- Website
- http://www.internext.cz
- PeeringDB
- net/7325
- Exchanges
- 2
- 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 | 68,747 | 130 | 171 | CAIDA |
| AS174 Cogent Communications, LLC | 🇺🇸 US | 65,355 | 3,881 | 142 | CAIDA |
| AS39791 Telco Pro Services, a. s. | 🇨🇿 CZ | 17 | 3 | 88 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 52,960 | 236 | 137 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,722 | 45 | 14 | CAIDA |
| AS29504 Freenet Liberec, z.s. | 🇨🇿 CZ | 0 | 1 | 14 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6740 CEZNET s.r.o. | 🇨🇿 CZ | 0 | 4 | 164 | CAIDA |
| AS211137 ISP Services spol. s.r.o., | 🇨🇿 CZ | 0 | 1 | 41 | CAIDA |
| AS49580 Monet +, a.s. | 🇨🇿 CZ | 0 | 2 | 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.