AS59959 SferiaNET.cz s.r.o. 🇨🇿 CZ
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
4,096 (16 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
1
transit providers observed
Peers
6
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS59959
- Name
- SferiaNET.cz s.r.o.
- Organisation
- SferiaNET.cz
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2018-01-26
- Network type
- Cable/DSL/ISP
- Traffic levels
- 10-20Gbps
- Scope
- Europe
- Peering policy
- Open
- Website
- http://sferia.cz
- PeeringDB
- net/15892
- Exchanges
- 2
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 185.3.156.0/22 v4 | no ROA | 42 | 3772159959 | 2026-09-18 |
| 185.147.44.0/22 v4 | no ROA | 42 | 3772159959 | 2026-09-18 |
| 185.243.124.0/22 v4 | RPKI valid | 42 | 3772159959 | 2026-09-18 |
| 193.35.92.0/22 v4 | no ROA | 42 | 3772159959 | 2026-09-18 |
| 2a0d:1380::/29 v6 | RPKI valid | 35 | 3772159959 | 2026-09-18 |