21101 SISTEMIUNO-AS ASP - Application Service Provider, IT
Adjacency: 6 Upstream: 4 Downstream: 2
Upstream Adjacent AS list
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS12779 ITGATE, IT
AS6939 HURRICANE, US
AS41327 FIBERTELECOM-AS Fiber Telecom S.p.A., IT
Downstream Adjacent AS list
AS44091 SISTEMISPA-AS Via Magenta 31, IT
AS13060 ASN-BASICNET L.go Maurizio Vitale, 1, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 15087 AS21101 ORG+TRN Originate: 5120 /19.68 Transit: 2304 /20.83 SISTEMIUNO-AS ASP - Application Service Provider, IT
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 4067 AS21101 SISTEMIUNO-AS ASP - Application Service Provi 20 18 5 7 13 65.00% Prefix AS Path Aggregation Suggestion 91.240.230.0/23 3303 21101 + Announce - aggregate of 91.240.230.0/24 (3303 21101) and 91.240.231.0/24 (3303 21101) 91.240.230.0/24 3303 21101 - Withdrawn - aggregated with 91.240.231.0/24 (3303 21101) 91.240.231.0/24 3303 21101 - Withdrawn - aggregated with 91.240.230.0/24 (3303 21101) 94.143.96.0/23 3303 21101 + Announce - aggregate of 94.143.96.0/24 (3303 21101) and 94.143.97.0/24 (3303 21101) 94.143.96.0/24 3303 21101 - Withdrawn - aggregated with 94.143.97.0/24 (3303 21101) 94.143.97.0/24 3303 21101 - Withdrawn - aggregated with 94.143.96.0/24 (3303 21101) 94.143.98.0/24 3303 21101 94.143.100.0/22 3303 21101 + Announce - aggregate of 94.143.100.0/23 (3303 21101) and 94.143.102.0/23 (3303 21101) 94.143.100.0/24 3303 21101 - Withdrawn - aggregated with 94.143.101.0/24 (3303 21101) 94.143.101.0/24 3303 21101 - Withdrawn - aggregated with 94.143.100.0/24 (3303 21101) 94.143.102.0/24 3303 21101 - Withdrawn - aggregated with 94.143.103.0/24 (3303 21101) 94.143.103.0/24 3303 21101 - Withdrawn - aggregated with 94.143.102.0/24 (3303 21101) 185.5.94.0/23 3303 21101 + Announce - aggregate of 185.5.94.0/24 (3303 21101) and 185.5.95.0/24 (3303 21101) 185.5.94.0/24 3303 21101 - Withdrawn - aggregated with 185.5.95.0/24 (3303 21101) 185.5.95.0/24 3303 21101 - Withdrawn - aggregated with 185.5.94.0/24 (3303 21101) 193.109.32.0/21 3303 21101 + Announce - aggregate of 193.109.32.0/22 (3303 21101) and 193.109.36.0/22 (3303 21101) 193.109.32.0/24 3303 21101 - Withdrawn - aggregated with 193.109.33.0/24 (3303 21101) 193.109.33.0/24 3303 21101 - Withdrawn - aggregated with 193.109.32.0/24 (3303 21101) 193.109.34.0/24 3303 21101 - Withdrawn - aggregated with 193.109.35.0/24 (3303 21101) 193.109.35.0/24 3303 21101 - Withdrawn - aggregated with 193.109.34.0/24 (3303 21101) 193.109.36.0/24 3303 21101 - Withdrawn - aggregated with 193.109.37.0/24 (3303 21101) 193.109.37.0/24 3303 21101 - Withdrawn - aggregated with 193.109.36.0/24 (3303 21101) 193.109.38.0/24 3303 21101 - Withdrawn - aggregated with 193.109.39.0/24 (3303 21101) 193.109.39.0/24 3303 21101 - Withdrawn - aggregated with 193.109.38.0/24 (3303 21101) 193.150.112.0/24 3303 21101
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 91.240.230.0/23 Withdrawn
- 185.5.94.0/24 Withdrawn
- 185.5.95.0/24 Withdrawn
whois: 402590
IANA has recorded AS21101 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21101\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 'AS21004 - AS21151'
as-block: AS21004 - AS21151
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS21101'
% Abuse contact for 'AS21101' is 'abuse@unonet.it'
aut-num: AS21101
as-name: SISTEMIUNO-AS
descr: ASP - Application Service Provider
descr: Turin - IT
org: ORG-SUS6-RIPE
import: from AS49367 accept ANY
export: to AS49367 announce AS-SISTEMIUNO
import: from AS41327 accept ANY
export: to AS41327 announce AS-SISTEMIUNO
import: from AS12779 accept ANY
export: to AS12779 announce AS-SISTEMIUNO
import: from AS44091 accept AS44091
export: to AS44091 announce ANY
import: from AS13060 accept AS13060
export: to AS13060 announce ANY
admin-c: GPC3-RIPE
tech-c: GL4309-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-SISTEMIUNO
created: 2002-03-26T22:30:05Z
last-modified: 2025-03-05T09:23:58Z
source: RIPE
organisation: ORG-SUS6-RIPE
org-name: Sistemi Hardware&Software S.P.A.
country: IT
reg-nr: 07393280016
org-type: LIR
address: Via Torino n.176
address: 10093
address: Collegno (TO)
address: ITALY
phone: +39114049111
fax-no: +39114049222
abuse-c: UAH9-RIPE
admin-c: GPC3-RIPE
tech-c: GL4309-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-SISTEMIUNO
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-SISTEMIUNO
created: 2008-11-18T09:24:02Z
last-modified: 2026-05-13T07:32:31Z
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 (ABERDEEN)