AS216021

Name: AS216021 — Stefan Johannes Mayer
Creator: ipdex

Stefan Johannes Mayer Unknown registered in Czechia

0IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

0/327RIS visibility

#478Rank in Czechia

2023-11-08Allocated

Stefan Johannes Mayer (AS216021) — Unknown, registered in Czechia. announces 0 IPv4 prefixes + 1 IPv6 prefixes. Rank in Czechia: #478. Allocated: 2023-11-08.

IPv4 0IPv6 1

Announced prefixes · 1

v6 2001:67c:634::/48 valid

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

Routing: 0 IPv4 · 1 IPv6 announced · RIS visibility 0/327 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	1
2026-06-13	1

Adjacent ASNs

AS216015 AS216016 AS216017 AS216018 AS216019 AS216020 AS216022 AS216023 AS216024 AS216025 AS216026 AS216027

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