AS216021 Stefan Johannes Mayer 🇨🇿 CZ
Announcing 1 prefixes, seen at the RIS collectors.
IPv4 prefixes
0
-
IPv6 prefixes
1
1 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS216021
- Name
- Stefan Johannes Mayer
- Organisation
- Stefan Johannes Mayer
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2023-11-08
- Scope
- Not Disclosed
- PeeringDB
- net/34639
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.ripe.net
as-block: AS215130 - AS219547 descr: RIPE NCC ASN block remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region. mnt-by: RIPE-NCC-HM-MNT created: 2026-06-02T14:29:24Z last-modified: 2026-06-02T14:29:24Z source: RIPE aut-num: AS216021 as-name: STEVIJO-AS org: ORG-SJM4-RIPE sponsoring-org: ORG-RNB17-RIPE import: from AS24641 accept ANY export: to AS24641 announce AS216021 admin-c: SM39842-RIPE tech-c: SM39842-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: STEVIJO-MNT created: 2023-11-08T12:37:46Z last-modified: 2026-07-22T11:49:27Z source: RIPE organisation: ORG-SJM4-RIPE org-name: Stefan Johannes Mayer country: CZ reg-nr: Not Applicable org-type: OTHER address: Prikop 262/15 address: 60200 Brno address: CZECH REPUBLIC admin-c: SM39842-RIPE tech-c: SM39842-RIPE abuse-c: AR78612-RIPE mnt-ref: stevijo-mnt mnt-by: stevijo-mnt created: 2023-06-12T12:29:34Z last-modified: 2026-05-13T06:41:10Z source: RIPE # Filtered person: Stefan Mayer address: Prikop 262/15 address: 60200 Brno address: CZECH REPUBLIC phone: +420602782042 nic-hdl: SM39842-RIPE mnt-by: stevijo-mnt created: 2023-06-13T13:14:34Z last-modified: 2025-07-29T12:43:16Z source: RIPE