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.
AS204543 1 More Specifics 1 Total Advertisements FHRNET Filip Hruskas Experimental Network, CZ
136.175.202.0/24 136.175.200.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 136.175.202.0/24 Announced
whois: 402590
IANA has recorded AS204543 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204543\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204543'
% Abuse contact for 'AS204543' is 'abuse@skylonhost.com'
aut-num: AS204543
as-name: FHRNET
descr: Filip Hruska's Experimental Network
remarks: /**********************************************************
remarks: * What's this?
remarks: * The answer to that one's at the bottom of that glass.
remarks: * ...............
remarks: * I should go.
remarks: **********************************************************/
org: ORG-FA866-RIPE
remarks: -- SkylonHost --
import: from AS202297 accept ANY
export: to AS202297 announce AS-FHR
remarks: -- Vultr --
import: from AS20473 accept ANY
export: to AS20473 announce AS-FHR
remarks: -- Hurricane Electric --
import: from AS6939 accept ANY
export: to AS6939 announce AS-FHR
remarks: -- GSL --
import: from AS137409 accept ANY
export: to AS137409 announce AS-FHR
remarks: -- Misaka --
import: from AS917 accept ANY
export: to AS917 announce AS-FHR
import: from AS57695 accept ANY
export: to AS57695 announce AS-FHR
remarks: -- Speed-IX Route server --
import: from AS41441 accept ANY
export: to AS41441 announce AS-FHR
remarks: -- KleyReX Route server --
import: from AS31142 accept ANY
export: to AS31142 announce AS-FHR
admin-c: FH5282-RIPE
tech-c: FH5282-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: FHRNET-MNT
created: 2018-02-20T10:49:27Z
last-modified: 2026-03-01T15:11:57Z
source: RIPE
sponsoring-org: ORG-SSL82-RIPE
organisation: ORG-FA866-RIPE
org-name: Filip Hruska
country: CZ
reg-nr: Not Applicable
org-type: OTHER
address: Nad Lomem 447, Lazne Tousen
address: CZECH REPUBLIC
phone: +420 314314128
abuse-c: ACRO12905-RIPE
mnt-ref: FHRNET-MNT
mnt-ref: MNT-NETART
mnt-by: FHR7-MNT
mnt-by: FHRNET-MNT
created: 2018-01-03T23:16:10Z
last-modified: 2026-05-13T06:54:04Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)