AS203311

Name: AS203311 — NATO Cooperative Cyber Defence Centre of Excellence
Creator: ipdex

NATO Cooperative Cyber Defence Centre of Excellence Unknown registered in Estonia

1IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#57,910AS Rank

327/327RIS visibility

#51Rank in Estonia

2016-02-16Allocated

NATO Cooperative Cyber Defence Centre of Excellence (AS203311) — Unknown, registered in Estonia. announces 1 IPv4 prefixes + 1 IPv6 prefixes. Rank in Estonia: #51. Allocated: 2016-02-16.

IPv4 1IPv6 1

Announced prefixes · 2

v4 185.139.252.0/22 valid
v6 2a07:1180::/29 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 1 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	2
2026-06-13	2

AS topology · Customer cone 1

Providers · 2

AS3249 Telia Eesti AS
AS3221 EENet

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