25306 INSTITUTE-ISIRAN Tehran,Iran, IR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS6736 IRANET-IPM Institute for Research in Fundamental Sciences IPM, IR
AS42337 RESPINA-AS, IR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6366 AS25306 ORIGIN Originate: 22784 /17.52 Transit: 0 /0.00 INSTITUTE-ISIRAN Tehran,Iran, IR
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 % 3861 AS25306 INSTITUTE-ISIRAN Tehran,Iran, IR 43 25 12 30 13 30.23% Prefix AS Path Aggregation Suggestion 81.28.32.0/19 4777 2497 2914 39533 6736 25306 81.28.32.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.32.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.32.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.33.0/24 (4777 2497 2914 39533 6736 25306) 81.28.32.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.33.0/24 (4777 2497 2914 39533 6736 25306) 81.28.33.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.32.0/24 (4777 2497 2914 39533 6736 25306) 81.28.34.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.34.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.34.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.35.0/24 (4777 2497 2914 39533 6736 25306) 81.28.34.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.35.0/24 (4777 2497 2914 39533 6736 25306) 81.28.35.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.34.0/24 (4777 2497 2914 39533 6736 25306) 81.28.36.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.36.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.36.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.37.0/24 (4777 2497 2914 39533 6736 25306) 81.28.36.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.37.0/24 (4777 2497 2914 39533 6736 25306) 81.28.37.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.36.0/24 (4777 2497 2914 39533 6736 25306) 81.28.38.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.38.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.38.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.39.0/24 (4777 2497 2914 39533 6736 25306) 81.28.38.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.39.0/24 (4777 2497 2914 39533 6736 25306) 81.28.39.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.38.0/24 (4777 2497 2914 39533 6736 25306) 81.28.40.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.40.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.40.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.41.0/24 (4777 2497 2914 39533 6736 25306) 81.28.40.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.41.0/24 (4777 2497 2914 39533 6736 25306) 81.28.41.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.40.0/24 (4777 2497 2914 39533 6736 25306) 81.28.42.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.42.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.42.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.43.0/24 (4777 2497 2914 39533 6736 25306) 81.28.42.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.43.0/24 (4777 2497 2914 39533 6736 25306) 81.28.43.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.42.0/24 (4777 2497 2914 39533 6736 25306) 81.28.44.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.45.0/24 4777 2497 2914 39533 6736 25306 81.28.46.0/23 4777 2497 2914 39533 6736 25306 - Withdrawn - matching aggregate 81.28.32.0/19 4777 2497 2914 39533 6736 25306 81.28.46.0/24 4777 2497 12389 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.47.0/24 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.48.0/22 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 + Announce - aggregate of 81.28.48.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) and 81.28.50.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.48.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 - Withdrawn - aggregated with 81.28.50.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.48.0/24 4777 2497 2914 39533 6736 25306 81.28.50.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 - Withdrawn - aggregated with 81.28.48.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.50.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.50.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.51.0/24 (4777 2497 2914 39533 6736 25306) 81.28.50.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.51.0/24 (4777 2497 2914 39533 6736 25306) 81.28.51.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.50.0/24 (4777 2497 2914 39533 6736 25306) 81.28.52.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.52.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.52.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.53.0/24 (4777 2497 2914 39533 6736 25306) 81.28.52.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.53.0/24 (4777 2497 2914 39533 6736 25306) 81.28.53.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.52.0/24 (4777 2497 2914 39533 6736 25306) 81.28.54.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.55.0/24 4777 2497 2914 39533 6736 25306 81.28.56.0/22 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 + Announce - aggregate of 81.28.56.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) and 81.28.58.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.56.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 - Withdrawn - aggregated with 81.28.58.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.57.0/24 4777 2497 2914 39533 6736 25306 81.28.58.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 - Withdrawn - aggregated with 81.28.56.0/23 (4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306) 81.28.58.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.58.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.59.0/24 (4777 2497 2914 39533 6736 25306) 81.28.58.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.59.0/24 (4777 2497 2914 39533 6736 25306) 81.28.59.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.58.0/24 (4777 2497 2914 39533 6736 25306) 81.28.60.0/23 4777 2516 3257 49666 12880 42337 25306 25306 25306 25306 25306 25306 81.28.60.0/23 4777 2497 2914 39533 6736 25306 + Announce - aggregate of 81.28.60.0/24 (4777 2497 2914 39533 6736 25306) and 81.28.61.0/24 (4777 2497 2914 39533 6736 25306) 81.28.60.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.61.0/24 (4777 2497 2914 39533 6736 25306) 81.28.61.0/24 4777 2497 2914 39533 6736 25306 - Withdrawn - aggregated with 81.28.60.0/24 (4777 2497 2914 39533 6736 25306) 194.225.101.0/24 4608 7575 2914 39533 6736 25306
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25306 42 More Specifics 43 Total Advertisements INSTITUTE-ISIRAN Tehran,Iran, IR
81.28.32.0/23 81.28.32.0/20
81.28.32.0/24 81.28.32.0/20
81.28.33.0/24 81.28.32.0/20
81.28.34.0/23 81.28.32.0/20
81.28.34.0/24 81.28.32.0/20
81.28.35.0/24 81.28.32.0/20
81.28.36.0/23 81.28.32.0/20
81.28.36.0/24 81.28.32.0/20
81.28.37.0/24 81.28.32.0/20
81.28.38.0/23 81.28.32.0/20
81.28.38.0/24 81.28.32.0/20
81.28.39.0/24 81.28.32.0/20
81.28.40.0/23 81.28.32.0/20
81.28.40.0/24 81.28.32.0/20
81.28.41.0/24 81.28.32.0/20
81.28.42.0/23 81.28.32.0/20
81.28.42.0/24 81.28.32.0/20
81.28.43.0/24 81.28.32.0/20
81.28.44.0/23 81.28.32.0/20
81.28.45.0/24 81.28.32.0/20
81.28.46.0/23 81.28.32.0/20
81.28.46.0/24 81.28.32.0/20
81.28.47.0/24 81.28.32.0/20
81.28.48.0/23 81.28.48.0/20
81.28.48.0/24 81.28.48.0/20
81.28.50.0/23 81.28.48.0/20
81.28.50.0/24 81.28.48.0/20
81.28.51.0/24 81.28.48.0/20
81.28.52.0/23 81.28.48.0/20
81.28.52.0/24 81.28.48.0/20
81.28.53.0/24 81.28.48.0/20
81.28.54.0/23 81.28.48.0/20
81.28.55.0/24 81.28.48.0/20
81.28.56.0/23 81.28.48.0/20
81.28.57.0/24 81.28.48.0/20
81.28.58.0/23 81.28.48.0/20
81.28.58.0/24 81.28.48.0/20
81.28.59.0/24 81.28.48.0/20
81.28.60.0/23 81.28.48.0/20
81.28.60.0/24 81.28.48.0/20
81.28.61.0/24 81.28.48.0/20
194.225.101.0/24 194.225.0.0/16
whois: 402332
IANA has recorded AS25306 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25306\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 'AS25251 - AS25361'
as-block: AS25251 - AS25361
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 'AS25306'
% Abuse contact for 'AS25306' is 'abuse@isiran-net.com'
aut-num: AS25306
as-name: INSTITUTE-ISIRAN
descr: Tehran,Iran
org: ORG-IA32-RIPE
remarks: *****************************************
remarks: * Please send abuse reports to: *
remarks: * abuse@isiran.ir *
remarks: *************** *****************
import: from AS8297 action pref=100; accept ANY
import: from AS41881 action pref=100; accept ANY
import: from AS6736 action pref=100; accept ANY
import: from AS13311 action pref=100; accept ANY
import: from AS21341 action pref=100; accept ANY
import: from AS41881 action pref=100; accept ANY
import: from AS42337 action pref=100; accept ANY
export: to AS8297 announce AS25306
export: to AS6736 announce AS25306
export: to AS41881 announce AS25306
export: to AS21341 announce AS25306
export: to AS13311 announce AS25306
export: to AS42337 announce AS25306
admin-c: MR3009-RIPE
tech-c: MR3009-RIPE
tech-c: amo1388-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: INSTITUTE-ISIRAN-MNT
created: 2002-09-26T09:45:16Z
last-modified: 2025-09-04T17:34:24Z
source: RIPE
organisation: ORG-IA32-RIPE
org-name: IsIran
country: IR
org-type: LIR
address: 34th Street, Hesaari St.Mirdamad St,Tehran
address: 15489
address: Tehran
address: IRAN, ISLAMIC REPUBLIC OF
phone: +982122801831
phone: +982122801833
fax-no: +982122806925
descr: Internet Connection Provider
reg-nr: 10100580840 // 15896
admin-c: mrm1387-RIPE
admin-c: mrm1387-RIPE
admin-c: MR3009-RIPE
mnt-ref: INSTITUTE-ISIRAN-MNT
mnt-ref: RIPE-NCC-HM-MNT
remarks: *****************************************
remarks: * Please send abuse reports to: *
remarks: abuse@isiran-net.com
remarks: *************** *****************
mnt-by: RIPE-NCC-HM-MNT
mnt-by: INSTITUTE-ISIRAN-MNT
abuse-c: ISI1392
created: 2004-04-17T11:28:17Z
last-modified: 2026-04-29T05:15:14Z
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 1.122 (ABERDEEN)