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Data as of Nov 5, 2026

217.28.80.0/21

8 residential-proxy exits · 30 days

FIBER Network s.r.o.

Announcement
this exact prefix
RPKI valid
Announced by
AS51800
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
8
0.39% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
25
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

239 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
217.28.83.0/2407
217.28.82.0/2401

Proxy providers listing exits

  • AnyIP
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • Byteful
  • CatProxies
  • Datarama
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • IPRoyal
  • InfiniteProxies
  • LemonBright
  • NovaProxy
  • Novada
  • Oxylabs
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
217.28.80.0/204,096CZ-FIBER-20101105FIBER Network s.r.o. (ORG-FNS4-RIPE) · CZALLOCATED PANov 5, 2010abuse@fiber.cz
└ 217.28.80.0/212,048FIBER-NETWORKS-APAFIBER Network s.r.o. (ORG-FNS4-RIPE) · CZASSIGNED PAJan 26, 2016abuse@fiber.cz

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
FIBER Network s.r.o.
Handle
ORG-FNS4-RIPE
Range
217.28.80.0/20
Registration type
ALLOCATED PA
Record created
Nov 5, 2010
Origin network

AS51800

CZ
Name
FIBER Network s.r.o.
Type
Internet provider
Registered
Nov 5, 2010
Domain
fiber.cz
Spamhaus ASN-DROP
not listed