28721 OPENSYSRO OPEN SYSTEMS S.R.L.
Adjacency: 4 Upstream: 2 Downstream: 2
Upstream Adjacent AS list
AS6746 ASTRAL ASTRAL Telecom SA, Romania
AS5606 KQRO KPNQwest Romania AS
Downstream Adjacent AS list
AS29360 ROMPLUS-AS Romplus Computer Center
AS39337 IMC-AS SC IMAGE MEDIA COMMUNICATION SRL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 11272 AS28721 ORG+TRN Originate: 3072 /20.42 Transit: 1024 /22.00 OPENSYSRO OPEN SYSTEMS S.R.L.
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 % 17234 AS28721 OPENSYSRO OPEN SYSTEMS S.R.L. 8 0 0 8 0 0.00% Prefix AS Path Aggregation Suggestion 81.180.83.0/24 4637 3356 6830 6746 28721 81.180.102.0/24 4637 3356 6830 6746 28721 81.181.199.0/24 4637 6453 5588 5588 5606 28721 81.181.249.0/24 4637 6453 5588 5588 5606 28721 85.204.44.0/22 4637 3356 6830 6746 28721 89.42.38.0/23 4637 3356 6830 6746 28721 89.44.113.0/24 4637 6453 5588 5588 5606 28721 194.102.117.0/24 4637 6453 5588 5588 5606 28721
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28721 8 More Specifics 8 Total Advertisements OPENSYSRO OPEN SYSTEMS S.R.L.
81.180.83.0/24 81.180.0.0/15
81.180.102.0/24 81.180.0.0/15
81.181.199.0/24 81.180.0.0/15
81.181.249.0/24 81.180.0.0/15
85.204.44.0/22 85.204.0.0/16
89.42.38.0/23 89.32.0.0/12
89.44.113.0/24 89.32.0.0/12
194.102.117.0/24 194.102.64.0/18
whois: 402603
IANA has recorded AS28721 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28721\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 'AS28699 - AS28912'
as-block: AS28699 - AS28912
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: 2018-11-22T15:27:31Z
last-modified: 2018-11-22T15:27:31Z
source: RIPE
% Information related to 'AS28721'
% Abuse contact for 'AS28721' is 'abuse@allnet.ro'
aut-num: AS28721
as-name: ALLNET-CLOUD-AS
org: ORG-ACS59-RIPE
import: from AS20722 accept ANY
import: from AS12310 accept ANY
import: from AS8708 accept ANY
export: to AS20722 announce AS-ALLNETCLOUD
export: to AS12310 announce AS-ALLNETCLOUD
export: to AS8708 announce AS-ALLNETCLOUD
admin-c: IT306-RIPE
tech-c: IT479-RIPE
status: ASSIGNED
mnt-by: ALLNET-MNT
mnt-by: ALLNET-CLOUD-MNT
mnt-by: RIPE-NCC-END-MNT
created: 2003-02-07T10:54:34Z
last-modified: 2025-10-13T22:39:22Z
source: RIPE # Filtered
organisation: ORG-ACS59-RIPE
org-name: Allnet Cloud Srl
country: RO
reg-nr: 23466400
org-type: LIR
address: Str. Ialomicioarei, Nr 20, Sector 1, Bucuresti
address: 011278
address: Bucuresti
address: ROMANIA
phone: +40741650650
phone: +40740950950
admin-c: NA7559-RIPE
tech-c: NA7559-RIPE
abuse-c: AR67402-RIPE
mnt-ref: ALLNET-CLOUD-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ALLNET-CLOUD-MNT
created: 2022-01-26T11:32:22Z
last-modified: 2026-05-13T07:42:35Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)