This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402332
IANA has recorded AS273188 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS273188\n % IP Client: 2401:2000:6660::13
% Joint Whois - whois.lacnic.net
% This server accepts single ASN, IPv4 or IPv6 queries
% LACNIC resource: whois.lacnic.net
% Copyright LACNIC lacnic.net
% The data below is provided for information purposes
% and to assist persons in obtaining information about or
% related to AS and IP numbers registrations
% By submitting a whois query, you agree to use this data
% only for lawful purposes.
% 2026-04-03 10:22:10 (-03 -03:00)
% No match for "AS273188"
% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.