This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS198403 3 More Specifics 4 Total Advertisements MATRIGO-AS, CZ
37.44.16.0/23 37.44.16.0/20
37.44.19.0/24 37.44.16.0/20
37.44.22.0/23 37.44.16.0/20
whois: 402590
IANA has recorded AS198403 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS198403\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS198305 - AS199072'
as-block: AS198305 - AS199072
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: 2026-02-18T10:24:00Z
last-modified: 2026-02-18T10:24:00Z
source: RIPE
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)