Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS216021

Announcement observedRIPE NCC

Stefan Johannes Mayer · STEVIJO-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/13/2026, 13:17:15Snapshot expired

View network topology RDAP registration

ASN: AS216021
Registration country: Czechia
Name: Stefan Johannes Mayer
Abbreviation: STEVIJO-AS
Registration date: 11/8/2023, 12:37:46
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2001:67c:634::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/13/2026, 08:00:00	×	✓	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Stefan Johannes Mayer
RIR: RIPE NCC
Registration country: Czechia
Registration date: 11/8/2023, 12:37:46
Abuse contact: abuse@stevijo.me

Snapshot trend

10/13/2026, 13:17:150 v41 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn