21058 ASN-NETWORKSISTEMI, IT
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS199324 DODONET DODONET S.R.L. - dodonet network, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 18309 AS21058 ORIGIN Originate: 3840 /20.09 Transit: 0 /0.00 ASN-NETWORKSISTEMI, 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 % 4646 AS21058 ASN-NETWORKSISTEMI, IT 15 14 3 4 11 73.33% Prefix AS Path Aggregation Suggestion 80.83.160.0/21 57866 41327 199324 21058 + Announce - aggregate of 80.83.160.0/22 (57866 41327 199324 21058) and 80.83.164.0/22 (57866 41327 199324 21058) 80.83.160.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.161.0/24 (57866 41327 199324 21058) 80.83.161.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.160.0/24 (57866 41327 199324 21058) 80.83.162.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.163.0/24 (57866 41327 199324 21058) 80.83.163.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.162.0/24 (57866 41327 199324 21058) 80.83.164.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.165.0/24 (57866 41327 199324 21058) 80.83.165.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.164.0/24 (57866 41327 199324 21058) 80.83.166.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.167.0/24 (57866 41327 199324 21058) 80.83.167.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.166.0/24 (57866 41327 199324 21058) 80.83.168.0/23 57866 41327 199324 21058 + Announce - aggregate of 80.83.168.0/24 (57866 41327 199324 21058) and 80.83.169.0/24 (57866 41327 199324 21058) 80.83.168.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.169.0/24 (57866 41327 199324 21058) 80.83.169.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.168.0/24 (57866 41327 199324 21058) 80.83.171.0/24 57866 41327 199324 21058 80.83.172.0/22 57866 41327 199324 21058 + Announce - aggregate of 80.83.172.0/23 (57866 41327 199324 21058) and 80.83.174.0/23 (57866 41327 199324 21058) 80.83.172.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.173.0/24 (57866 41327 199324 21058) 80.83.173.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.172.0/24 (57866 41327 199324 21058) 80.83.174.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.175.0/24 (57866 41327 199324 21058) 80.83.175.0/24 57866 41327 199324 21058 - Withdrawn - aggregated with 80.83.174.0/24 (57866 41327 199324 21058)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21058 16 More Specifics 16 Total Advertisements ASN-NETWORKSISTEMI, IT
80.83.160.0/24 80.83.160.0/20
80.83.161.0/24 80.83.160.0/20
80.83.162.0/24 80.83.160.0/20
80.83.163.0/24 80.83.160.0/20
80.83.164.0/24 80.83.160.0/20
80.83.165.0/24 80.83.160.0/20
80.83.166.0/24 80.83.160.0/20
80.83.167.0/24 80.83.160.0/20
80.83.168.0/24 80.83.160.0/20
80.83.169.0/24 80.83.160.0/20
80.83.170.0/24 80.83.160.0/20
80.83.171.0/24 80.83.160.0/20
80.83.172.0/24 80.83.160.0/20
80.83.173.0/24 80.83.160.0/20
80.83.174.0/24 80.83.160.0/20
80.83.175.0/24 80.83.160.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 80.83.166.0/24 Announced
+ 80.83.170.0/24 Announced
+ 80.83.171.0/24 Announced
whois: 402590
IANA has recorded AS21058 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21058\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 'AS21058'
% Abuse contact for 'AS21058' is 'abuse@networksistemi.it'
aut-num: AS21058
as-name: ASN-NETWORKSISTEMI
org: ORG-NSS42-RIPE
import: from AS12874 accept ANY
import: from AS39120 accept ANY
import: from AS201462 accept ANY
import: from AS199324 accept ANY
export: to AS12874 announce AS21058
export: to AS39120 announce AS21058
export: to AS201462 announce AS21058
export: to AS199324 announce AS21058
admin-c: CA10873-RIPE
tech-c: CA10873-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-it-networksistemi-1-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2024-06-25T14:33:28Z
source: RIPE
organisation: ORG-NSS42-RIPE
org-name: NETWORK SISTEMI S.R.L.
country: IT
reg-nr: 08756380724
org-type: LIR
address: Via Cappuccini 39/A
address: 70017
address: Putignano
address: ITALY
phone: +390804055115
admin-c: CA10873-RIPE
tech-c: CA10873-RIPE
abuse-c: AR69594-RIPE
mnt-ref: lir-it-networksistemi-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-it-networksistemi-1-MNT
created: 2023-01-02T08:51:34Z
last-modified: 2026-05-13T07:05:22Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)