57981 NCN-AS, UA
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS199995 OT-AS, UA
AS43103 ONETELECOM-AS, UA
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23446 AS57981 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 NCN-AS, UA
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 % 16857 AS57981 NCN-AS, UA 5 2 0 3 2 40.00% Prefix AS Path Aggregation Suggestion 91.215.56.0/22 4777 6939 3255 43103 57981 57981 91.215.58.0/24 4777 6939 3255 43103 57981 57981 - Withdrawn - matching aggregate 91.215.56.0/22 4777 6939 3255 43103 57981 57981 91.215.59.0/24 4777 6939 3255 43103 57981 57981 - Withdrawn - matching aggregate 91.215.56.0/22 4777 6939 3255 43103 57981 57981 91.237.114.0/23 4777 6939 199995 57981 57981 91.237.115.0/24 4777 6939 3255 43103 57981
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS57981 3 More Specifics 5 Total Advertisements NCN-AS, UA
91.215.58.0/24 91.215.56.0/22
91.215.59.0/24 91.215.56.0/22
91.237.115.0/24 91.237.114.0/23
whois: 402332
IANA has recorded AS57981 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57981\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 'AS57975 - AS58367'
as-block: AS57975 - AS58367
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: 2025-04-24T14:15:44Z
last-modified: 2025-04-24T14:15:44Z
source: RIPE
% Information related to 'AS57981'
% Abuse contact for 'AS57981' is 'oleg@ncn.od.ua'
aut-num: AS57981
as-name: NCN-AS
org: ORG-FKSS1-RIPE
import: from AS3326 accept ANY
export: to AS3326 announce AS57981
import: from AS43103 accept ANY
export: to AS43103 announce AS57981
import: from AS44193 accept ANY
export: to AS44193 announce AS57981
import: from AS59613 accept ANY
export: to AS59613 announce AS57981
import: from AS44193 accept ANY
export: to AS44193 announce AS57981
import: from AS199995 accept ANY
export: to AS199995 announce AS57981
admin-c: KSS54-RIPE
tech-c: KSS54-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: NCN-UA-MNT
created: 2012-03-23T15:40:03Z
last-modified: 2025-04-07T07:42:19Z
source: RIPE
sponsoring-org: ORG-LW50-RIPE
organisation: ORG-FKSS1-RIPE
org-name: Kachanovskiy Sergey Sergeevich
country: UA
org-type: OTHER
address: UA, Odesa, Akademika Filatova str. 13, ap.28
phone: +380949488271
phone: +380487985250
reg-nr: Not Applicable
abuse-c: AR19708-RIPE
mnt-ref: NCN-UA-MNT
mnt-by: NCN-UA-MNT
created: 2012-03-06T09:12:21Z
last-modified: 2026-04-29T07:03:04Z
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 (ABERDEEN)