25500 NTUU-KPI-AS, UA
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS12687 URAN Kiev, Ukraine, UA
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6504 AS25500 ORIGIN Originate: 21760 /17.59 Transit: 0 /0.00 NTUU-KPI-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 % 21288 AS25500 NTUU-KPI-AS, UA 12 1 0 11 1 8.33% Prefix AS Path Aggregation Suggestion 77.47.128.0/21 4777 2497 2914 9002 12687 25500 77.47.136.0/22 4777 2497 2914 9002 12687 25500 77.47.140.0/23 4777 2497 2914 9002 12687 25500 77.47.160.0/20 4777 2497 2914 9002 12687 25500 77.47.176.0/23 4777 2497 2914 9002 12687 25500 77.47.184.0/21 4777 2497 2914 9002 12687 25500 77.47.192.0/20 4777 2497 2914 9002 12687 25500 77.47.194.0/24 4777 2497 2914 9002 12687 25500 - Withdrawn - matching aggregate 77.47.192.0/20 4777 2497 2914 9002 12687 25500 77.47.208.0/23 4777 2497 2914 9002 12687 25500 77.47.214.0/23 4777 2497 2914 9002 12687 25500 77.47.216.0/21 4777 2497 2914 9002 12687 25500 77.47.224.0/20 4777 2497 2914 9002 12687 25500
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25500 12 More Specifics 12 Total Advertisements NTUU-KPI-AS, UA
77.47.128.0/21 77.47.128.0/17
77.47.136.0/22 77.47.128.0/17
77.47.140.0/23 77.47.128.0/17
77.47.160.0/20 77.47.128.0/17
77.47.176.0/23 77.47.128.0/17
77.47.184.0/21 77.47.128.0/17
77.47.192.0/20 77.47.128.0/17
77.47.194.0/24 77.47.128.0/17
77.47.208.0/23 77.47.128.0/17
77.47.214.0/23 77.47.128.0/17
77.47.216.0/21 77.47.128.0/17
77.47.224.0/20 77.47.128.0/17
whois: 402332
IANA has recorded AS25500 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25500\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 'AS25365 - AS25542'
as-block: AS25365 - AS25542
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 'AS25500'
% Abuse contact for 'AS25500' is 'abuse@kpi.ua'
aut-num: AS25500
as-name: NTUU-KPI-AS
remarks: National Technical University of Ukraine
remarks: "Igor Sikorsky Kyiv Polytechnic Institute"
org: ORG-CoEI1-RIPE
abuse-c: KPI-RIPE
remarks: ------------------------------------------------------
remarks: UA-IX
remarks: ------------------------------------------------------
remarks:
remarks: # UA-IX Route Servers IPv4
import: from AS15645 action pref=205; accept AS-UAIX
export: to AS15645 announce AS-KPI
remarks:
remarks: # UA-IX Route Servers IPv6
mp-import: afi ipv6.unicast from AS15645 accept AS-UAIX-v6
mp-export: afi ipv6.unicast to AS15645 announce AS-KPI-v6
remarks:
remarks: # Hurricane Electric IPv4
import: from AS6939 action pref=200; accept ANY
export: to AS6939 announce AS-KPI
remarks:
remarks: # Hurricane Electric IPv6
mp-import: afi ipv6.unicast from AS6939 accept ANY
mp-export: afi ipv6.unicast to AS6939 announce AS-KPI-v6
remarks:
remarks: # Cloudflare IPv4
import: from AS13335 action pref=200; accept ANY
export: to AS13335 announce AS-KPI
remarks:
remarks: # Cloudflare IPv6
mp-import: afi ipv6.unicast from AS13335 accept ANY
mp-export: afi ipv6.unicast to AS13335 announce AS-KPI-v6
remarks:
remarks: # Google IPv4
import: from AS15169 action pref=200; accept ANY
export: to AS15169 announce AS-KPI
remarks:
remarks: # Google IPv6
mp-import: afi ipv6.unicast from AS15169 accept ANY
mp-export: afi ipv6.unicast to AS15169 announce AS-KPI-v6
remarks:
remarks: ------------------------------------------------------
remarks: UA
remarks: ------------------------------------------------------
remarks:
remarks: # Datagroup UA IPv4
import: from AS3326 accept ANY
export: to AS3326 announce AS-KPI
remarks:
remarks: # Datagroup UA IPv6
mp-import: afi ipv6.unicast from AS3326 at AS25500---UA---R7 accept ANY
mp-export: afi ipv6.unicast to AS3326 at AS25500---UA---R7 announce AS-KPI-v6
remarks:
remarks: -----= RUDAKi-IX =-----
import: from AS210461 accept AS-RUDAKI-IX
export: to AS210461 announce AS-KPI
mp-import: afi ipv6.unicast from AS210461 accept ANY
mp-export: afi ipv6.unicast to AS210461 announce AS-KPI-v6
remarks:
remarks: ------------------------------------------------------
remarks: GEANT
remarks: ------------------------------------------------------
import: from AS12687 action pref=150; accept AS20965
export: to AS12687 announce AS25500
remarks:
remarks: ------------------------------------------------------
remarks: World
remarks: ------------------------------------------------------
remarks:
remarks: # URAN IPv4
import: from AS12687 action pref=100; accept ANY
export: to AS12687 announce AS-KPI-WORLD
remarks:
remarks: # URAN IPv6
mp-import: afi ipv6.unicast from AS12687 accept ANY
mp-export: afi ipv6.unicast to AS12687 announce AS-KPI-v6
remarks:
remarks: # Datagroup World IPv4
import: from AS3326 action med=100; pref=100; accept ANY
export: to AS3326 action med=100; announce AS-KPI-WORLD
remarks:
remarks: # Datagroup World IPv6
mp-import: afi ipv6.unicast from AS3326 at AS25500---WORLD---R7 accept ANY
mp-export: afi ipv6.unicast to AS3326 at AS25500---WORLD---R7 announce AS-KPI-v6
remarks:
remarks: ------------------------------------------------------
remarks: Clients
remarks: ------------------------------------------------------
remarks:
remarks: # LinkExpress UA IPv4
import: from AS20660 action pref=250; accept AS-LE
export: to AS20660 announce ANY
remarks:
admin-c: KPI-RIPE
tech-c: KPI-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: KPI-MNT
created: 2002-12-11T11:05:17Z
last-modified: 2026-02-20T12:40:44Z
source: RIPE # Filtered
organisation: ORG-CoEI1-RIPE
org-name: User Association of Ukrainian Research and Academic Network URAN
country: UA
org-type: LIR
address: Polytekhnichna 33,
NTUU-KPI building 2, off.105
address: 03056
address: Kiev
address: UKRAINE
phone: +380442049815
phone: +380442049814
fax-no: +380442049814
reg-nr: 34662584
admin-c: GAL5-RIPE
admin-c: SLH7-RIPE
admin-c: YUG-RIPE
mnt-ref: URAN-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: URAN-MNT
abuse-c: URAN-RIPE
created: 2004-04-17T12:10:19Z
last-modified: 2026-04-29T05:31:20Z
source: RIPE # Filtered
role: KPI Telecom
remarks: KPI Telecom - Network Coordination and Operation Centre
remarks: Department of National Technical University of Ukraine Igor Sikorsky Kyiv Polytechnic Institute
remarks: ISP and intranet provider for Igor Sikorsky Kyiv Polytechnic Institute
remarks: Our website is available at
remarks:
remarks: Website of our University is available at
remarks:
address: National Technical University of Ukraine
address: Igor Sikorsky Kyiv Polytechnic Institute
address: 37-k7 PROSPECT BERESTEISKY, aud.130a
address: 03056
address: KYIV
address: Ukraine
phone: +380442048888
abuse-mailbox: abuse@kpi.ua
admin-c: PK1673-RIPE
tech-c: TYOM-RIPE
nic-hdl: KPI-RIPE
mnt-by: KPI-MNT
created: 2006-05-22T23:23:18Z
last-modified: 2026-03-05T11:06:13Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122 (DEXTER)