Autonomous system profile

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

AS203909

Announcement observedRIPE NCC

MAINFRAME-NET Christian Svensson · MAINFRAME-NET

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

Last active10/10/2026, 16:43:44Snapshot expired

View network topology RDAP registration

ASN: AS203909
Registration country: Sweden
Name: MAINFRAME-NET Christian Svensson
Abbreviation: MAINFRAME-NET
Registration date: 11/11/2025, 09:29:42
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
193.228.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MAINFRAME-NET Christian Svensson
RIR: RIPE NCC
Registration country: Sweden
Registration date: 11/11/2025, 09:29:42
Abuse contact: abuse@cmd.nu

Snapshot trend

10/10/2026, 16:43:441 v41 v61 Upstream · 0 Uncertain

10/10/2026, 08:27:520 v40 v61 Upstream · 0 Uncertain

10/10/2026, 05:11:370 v40 v60 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 · rir-rdap-asn · iana-rdap-asn-bootstrap