
21134 ASN-DATAMANAGEMENT-RM, IT
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS12874 FASTWEB, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 44639 AS21134 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 ASN-DATAMANAGEMENT-RM, 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 % 35924 AS21134 ASN-DATAMANAGEMENT-RM, IT 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 193.109.104.0/23 3303 12874 21134 193.109.106.0/24 3303 12874 21134
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21134 1 More Specifics 2 Total Advertisements ASN-DATAMANAGEMENT-RM, IT
193.109.106.0/24 193.109.104.0/22
193.109.104.0/23 193.109.104.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 193.109.104.0/22 Announced
- 193.109.104.0/23 Withdrawn
whois: 402590
IANA has recorded AS21134 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21134\n % This is the RIPE Database query service.
% The objects are in RPSL format.
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% 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 'AS21134'
% Abuse contact for 'AS21134' is 'abuse@datamanagement.it'
aut-num: AS21134
as-name: ASN-DATAMANAGEMENT-RM
org: ORG-DMS15-RIPE
import: from AS3302 accept ANY
export: to AS3302 announce AS21134
import: from AS12874 accept ANY
export: to AS12874 announce AS21134
admin-c: RM17742-RIPE
tech-c: RM17742-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: FASTWEB-MNT
created: 2001-10-26T12:44:13Z
last-modified: 2020-11-16T17:57:29Z
source: RIPE
sponsoring-org: ORG-FA7-RIPE
organisation: ORG-DMS15-RIPE
org-name: Data Management S.r.l.
country: IT
reg-nr: 15035211000
org-type: OTHER
address: Largo Lido Duranti,1
address: I-00128 Roma
abuse-c: DMR84-RIPE
mnt-ref: FASTWEB-MNT
mnt-by: FASTWEB-MNT
created: 2019-08-29T08:30:11Z
last-modified: 2026-05-13T06:08:23Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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