Autonomous system profile

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

AS31239

Announcement observedRIPE NCC

Johann Baldermann · VIENNAWEB-AS

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

Last active10/2/2026, 09:10:00Snapshot expired

View network topology RDAP registration

ASN: AS31239
Registration country: Austria
Name: Johann Baldermann
Abbreviation: VIENNAWEB-AS
Registration date: 3/29/2004, 14:08:29
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
195.225.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid
78.40.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid
89.31.128.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Johann Baldermann
RIR: RIPE NCC
Registration country: Austria
Registration date: 3/29/2004, 14:08:29
Abuse contact: abuse@viennaweb.at

Snapshot trend

10/2/2026, 09:10:003 v40 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