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AS numbers

AS200950 Calibour Limited

AS200950 is operated by Calibour Limited and registered with RIPE NCC (GB) since 2022-12-02.

It announces 2 IPv4 and 18 IPv6 prefixes, 75% of them RPKI valid.

RIPE RIS sees 8 upstream and peer networks and 6 downstream networks next to it.

PeeringDB lists it as an NSP network at 1 internet exchange and 2 facilities. Its peering policy is open.

NameCalibour Limited
Registry (RIR)RIPE NCC
CountryUnited Kingdom (GB)
Delegated on2022-12-02
Network typeNSP, Europe
Peering policyOpen
IRR as-setRIPE::AS200950:AS-MAIN
Prefixes (IPv4 / IPv6)2 / 18
RPKI valid75% (15 / 20)
Upstreams and peers8
Downstream networks6
Websitecalibour.com

Routing health

  • AS200950 announces 2 IPv4 and 18 IPv6 prefixes.
  • 4 of 20 announced prefixes are RPKI invalid: 2a14:c380:361::/48, 2a14:c380:362::/48, 2a14:c380:363::/48, 2a14:c380:364::/48.
  • 15 of 20 announced prefixes are RPKI valid.
  • 1 announced prefixes are not covered by a ROA of AS200950 (they may have none, or another network’s).
  • 8 upstreams and peers, 6 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 20

  • 45.86.153.0/24
  • 150.251.32.0/24
  • 2a0d:d906:1020::/48
  • 2a0d:d906::/32
  • 2a0f:85c1:8d0::/44
  • 2a0f:6284:1200::/40
  • 2a0f:6284:f00::/40
  • 2a10:ccc0:100::/44
  • 2a14:67c3:2ae::/48
  • 2a14:7583:ffe0::/44
  • 2a14:7583:ffed::/48
  • 2a14:7583:ffee::/48
  • 2a14:7583:ffef::/48
  • 2a14:c380:360::/44
  • 2a14:c380:361::/48
  • 2a14:c380:362::/48
  • 2a14:c380:363::/48
  • 2a14:c380:364::/48
  • 2a14:c380:700::/40
  • 2602:f2dc:9e::/48

RPKI problems

  • Invalid 2a14:c380:361::/48
  • Invalid 2a14:c380:362::/48
  • Invalid 2a14:c380:363::/48
  • Invalid 2a14:c380:364::/48

Upstreams and peers 8

The networks RIPE RIS sees next to AS200950 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 10 IPv4, 50 IPv6. PeeringDB record

Internet exchanges 1
ExchangePortsSpeedRoute server
LOCIX FRANKFURT: Peering LAN110GYes
Facilities 2
FacilityCityCountry
iNTERWERK RechenzentrumFrankfurtDE
SkyLink Data Center BVEygelshovenNL

More about AS200950

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 22:33 UTC. The country is where the AS number was registered, not necessarily where the network operates.