25143 IU-AS Internet-Ukraine LLC, UA
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS3255 UARNET-AS UARNet-Eksintech, UA
AS9002 RETN-AS, GB
AS29074 FAUST-ASN Kyiv-150, Predslavenskaya str. 34b, UA
AS48422 IT-STARCOM-AS www.itstarcom.net, UA
Downstream Adjacent AS list
AS25529 SOKOL-AS, UA
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19780 AS25143 ORG+TRN Originate: 3072 /20.42 Transit: 1024 /22.00 IU-AS Internet-Ukraine LLC, 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 % 16347 AS25143 IU-AS Internet-Ukraine LLC, UA 12 4 2 10 2 16.67% Prefix AS Path Aggregation Suggestion 91.239.48.0/23 4777 2497 2914 9002 25143 + Announce - aggregate of 91.239.48.0/24 (4777 2497 2914 9002 25143) and 91.239.49.0/24 (4777 2497 2914 9002 25143) 91.239.48.0/24 4777 2497 2914 9002 25143 - Withdrawn - aggregated with 91.239.49.0/24 (4777 2497 2914 9002 25143) 91.239.49.0/24 4777 2497 2914 9002 25143 - Withdrawn - aggregated with 91.239.48.0/24 (4777 2497 2914 9002 25143) 91.239.50.0/24 4777 2497 2914 9002 25143 91.239.51.0/24 4777 2497 3356 13249 29074 29074 29074 29074 29074 25143 25143 25143 25143 25143 193.19.228.0/24 4777 6939 48422 25143 193.19.229.0/24 4777 2497 2914 9002 25143 193.19.230.0/24 4777 2497 2914 9002 25143 193.19.231.0/24 4777 6939 48422 25143 193.238.20.0/23 4777 2497 2914 9002 25143 + Announce - aggregate of 193.238.20.0/24 (4777 2497 2914 9002 25143) and 193.238.21.0/24 (4777 2497 2914 9002 25143) 193.238.20.0/24 4777 2497 2914 9002 25143 - Withdrawn - aggregated with 193.238.21.0/24 (4777 2497 2914 9002 25143) 193.238.21.0/24 4777 2497 2914 9002 25143 - Withdrawn - aggregated with 193.238.20.0/24 (4777 2497 2914 9002 25143) 193.238.22.0/24 4777 6939 48422 25143 193.238.23.0/24 4777 2497 2914 9002 25143
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25143 12 More Specifics 12 Total Advertisements IU-AS Internet-Ukraine LLC, UA
91.239.48.0/24 91.239.48.0/22
91.239.49.0/24 91.239.48.0/22
91.239.50.0/24 91.239.48.0/22
91.239.51.0/24 91.239.48.0/22
193.19.228.0/24 193.19.228.0/22
193.19.229.0/24 193.19.228.0/22
193.19.230.0/24 193.19.228.0/22
193.19.231.0/24 193.19.228.0/22
193.238.20.0/24 193.238.20.0/22
193.238.21.0/24 193.238.20.0/22
193.238.22.0/24 193.238.20.0/22
193.238.23.0/24 193.238.20.0/22
whois: 402332
IANA has recorded AS25143 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25143\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 'AS24988 - AS25162'
as-block: AS24988 - AS25162
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: 2018-11-22T15:27:30Z
last-modified: 2018-11-22T15:27:30Z
source: RIPE
% Information related to 'AS25143'
% Abuse contact for 'AS25143' is 'abuse@lviv.net'
aut-num: AS25143
as-name: IU-AS
descr: Internet-Ukraine LLC
import: from AS3255 action pref=200; accept ANY
export: to AS3255 announce AS-IU
import: from AS48422 action pref=200; accept ANY
export: to AS48422 announce AS-IU
import: from AS25529 action pref=70; accept AS-SOKOLUA
export: to AS25529 announce ANY
import: from AS25448 action pref=70; accept AS25448
export: to AS25448 announce AS25143
import: from AS15645 action pref=100; accept AS-UAIX
export: to AS15645 announce AS-IU-UAIX
import: from AS31210 action pref=100; accept AS-DTEL-IX
export: to AS31210 announce AS-IU-DTEL-IX
import: from AS39810 action pref=50; accept AS-WICOM
export: to AS39810 announce AS-IU-CL
import: from AS47517 action pref=50; accept AS-CSSUZ
export: to AS47517 announce AS-IU-CL
import: from AS43110 action pref=200; accept ANY
export: to AS43110 announce AS-IU
import: from AS3326 action pref=200; accept ANY
export: to AS3326 announce AS-IU
import: from AS9002 action pref=200; accept ANY
export: to AS9002 announce AS-IU
import: from AS29074 action pref=200; accept ANY
export: to AS29074 announce AS-IU
import: from AS28917 action pref=200; accept ANY
export: to AS28917 announce AS-IU
import: from AS56439 action pref=50; accept AS56439
export: to AS56439 announce ANY
remarks: ===============================
remarks: Community attributes (Kyiv only)
remarks: ---------------------------------------------
remarks: 25143:111 - anounces to uplinks
remarks: 25143:222 - anounces to uaix
remarks: 25143:333 - anounces to uplinks+uaix
remarks: 25143:444 - peering (not advertise)
remarks: ================================
admin-c: OO76-RIPE
tech-c: AS2777-RIPE
org: ORG-IU9-RIPE
status: ASSIGNED
mnt-by: IU-MNT
mnt-by: RIPE-NCC-END-MNT
created: 2002-08-07T10:48:28Z
last-modified: 2025-12-14T20:06:06Z
source: RIPE # Filtered
sponsoring-org: ORG-ST6-RIPE
organisation: ORG-IU9-RIPE
org-name: Company "Zagalni Merezhi" Ltd
country: UA
org-type: Other
address: 79059, Ukraine, Lviv, Getmana Mazepy 26, of 103
abuse-c: AR21324-RIPE
mnt-ref: IU-MNT
mnt-ref: GENERAL-NETWORKS-MNT
mnt-by: IU-MNT
mnt-by: GENERAL-NETWORKS-MNT
admin-c: OO76-RIPE
tech-c: AS2777-RIPE
created: 2007-12-06T17:26:25Z
last-modified: 2022-12-01T16:32:02Z
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 1.121.2 (DEXTER)