Data as of Nov 10, 2026
Autonomous system
AS51800
FIBER Network s.r.o.
Announces 2,048 addresses in 1 prefixes. None of it is anonymizer space.
Type
Internet provider
CZ
Proxy activity, 30 days
8 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 217.28.80.0/21 since Nov 2010 | Residential | 8 |
Residential-proxy exposure
Spread
2
/24s with at least one exit
Providers
28
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 217.28.83.0/24 | 0 | 7 | |
| 217.28.82.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- BirdProxies
- BottingTools
- BuyingProxy
- Byteful
- CatProxies
- Datarama
- Decodo
- EnigmaProxy
- Evomi
- FROXY
- FastProxy
- IPRoyal
- InfiniteProxies
- LemonBright
- NextProxy
- NovaProxy
- Novada
- Oxylabs
- ProxyEmpire
- ProxyRack
- ProxyWing
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- ZENPROXY_PREMIUM
Proxy activity
Oct 11, 2026 – Nov 9, 2026
AS51800, day by day
232 observations
Network & history
Profile
- Registered
- Nov 5, 2010
- Domain
- fiber.cz
Routing patterns
How its announcements have moved
Arrivals