57577 TAVAN, IR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS44889 AZMA-AS, IR
AS58224 TCI, IR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 37045 AS57577 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 TAVAN, 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 % 16845 AS57577 TAVAN, IR 4 4 2 2 2 50.00% Prefix AS Path Aggregation Suggestion 91.233.56.0/23 4777 2497 12389 49666 25184 44889 57577 + Announce - aggregate of 91.233.56.0/24 (4777 2497 12389 49666 25184 44889 57577) and 91.233.57.0/24 (4777 2497 12389 49666 25184 44889 57577) 91.233.56.0/24 4777 2497 12389 49666 25184 44889 57577 - Withdrawn - aggregated with 91.233.57.0/24 (4777 2497 12389 49666 25184 44889 57577) 91.233.57.0/24 4777 2497 12389 49666 25184 44889 57577 - Withdrawn - aggregated with 91.233.56.0/24 (4777 2497 12389 49666 25184 44889 57577) 91.233.58.0/23 4777 2497 12389 49666 48159 58224 57577 + Announce - aggregate of 91.233.58.0/24 (4777 2497 12389 49666 48159 58224 57577) and 91.233.59.0/24 (4777 2497 12389 49666 48159 58224 57577) 91.233.58.0/24 4777 2497 12389 49666 48159 58224 57577 - Withdrawn - aggregated with 91.233.59.0/24 (4777 2497 12389 49666 48159 58224 57577) 91.233.59.0/24 4777 2497 12389 49666 48159 58224 57577 - Withdrawn - aggregated with 91.233.58.0/24 (4777 2497 12389 49666 48159 58224 57577)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS57577 4 More Specifics 4 Total Advertisements TAVAN, IR
91.233.56.0/24 91.233.56.0/22
91.233.57.0/24 91.233.56.0/22
91.233.58.0/24 91.233.56.0/22
91.233.59.0/24 91.233.56.0/22
whois: 402332
IANA has recorded AS57577 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57577\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 'AS57370 - AS57973'
as-block: AS57370 - AS57973
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 'AS57577'
% Abuse contact for 'AS57577' is 'mohammadali@tavanir.org.ir'
aut-num: AS57577
as-name: Tavanir
org: ORG-IPGt2-RIPE
import: From AS44889 accept ANY
import: From AS12880 accept ANY
export: To AS44889 announce AS57577
export: To AS12880 announce AS57577
admin-c: RM12319-RIPE
tech-c: RM12319-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AZMA-MNT
created: 2011-12-05T13:31:34Z
last-modified: 2018-09-04T11:07:32Z
source: RIPE
sponsoring-org: ORG-FACL1-RIPE
organisation: ORG-IPGT2-RIPE
org-name: Iran Power Generation transmission & Distribution Management Co.
country: IR
org-type: OTHER
address: Shahid Abbaspour Ave., Vanak Sq., Tehran - IRAN
reg-nr: 10100504584 // 13224
admin-c: RM12319-RIPE
abuse-c: AC30636-RIPE
phone: +982127935346
fax-no: +982188644990
mnt-ref: AZMA-MNT
mnt-by: AZMA-MNT
created: 2011-09-12T08:01:44Z
last-modified: 2026-04-29T06:35:09Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122 (SHETLAND)