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AS numbers

AS42000 Kaora

AS42000 is operated by Kaora and registered with RIPE NCC (CZ) since 2006-11-30.

It announces 5 IPv4 and 1 IPv6 prefixes, 50% of them RPKI valid.

RIPE RIS sees 18 upstream and peer networks and 54 downstream networks next to it.

PeeringDB lists it as an NSP network at 2 internet exchanges and 8 facilities. Its peering policy is open.

NameKaora
Registry (RIR)RIPE NCC
CountryCzechia (CZ)
Delegated on2006-11-30
Network typeNSP, Regional
Peering policyOpen
IRR as-setRIPE::AS-KAORA
Prefixes (IPv4 / IPv6)5 / 1
RPKI valid50% (3 / 6)
Upstreams and peers18
Downstream networks54
Websitekaora.cz

Routing health

  • AS42000 announces 5 IPv4 and 1 IPv6 prefixes.
  • 3 of 6 announced prefixes are RPKI valid.
  • 3 announced prefixes are not covered by a ROA of AS42000 (they may have none, or another network’s).
  • 18 upstreams and peers, 54 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 6

  • 91.103.160.0/21
  • 94.124.104.0/21
  • 185.99.68.0/22
  • 192.162.96.0/22
  • 217.11.245.0/24
  • 2a00:1790::/29

Upstreams and peers 18

The networks RIPE RIS sees next to AS42000 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 600 IPv4, 300 IPv6. PeeringDB record

Internet exchanges 2
ExchangePortsSpeedRoute server
NIX.CZ: Public peering VLAN2200GNo
Peering.cz110GNo
Facilities 8
FacilityCityCountry
Casablanca INT s.r.o.PragueCZ
CE Colo PraguePragueCZ
České Radikomunikace, a.s.PragueCZ
DC Coolhousing - PraguePragueCZ
GTS Nagano PraguePragueCZ
GTS Telehouse PraguePragueCZ
Sitel BratislavaBratislavaSK
TTC TELEPORT DC1PragueCZ

More about AS42000

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 19:49 UTC. The country is where the AS number was registered, not necessarily where the network operates.