This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS57831 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57831\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 'AS57831'
% Abuse contact for 'AS57831' is 'abuse@pishgaman.net'
% Abuse-mailbox validation failed. Please refer to ORG-PTEC8-RIPE for further information.
aut-num: AS57831
as-name: MANISAFA
org: ORG-PTEC8-RIPE
import: from AS31732 accept ANY
export: to AS31732 announce AS57831
import: from AS60025 accept ANY
export: to AS60025 announce AS57831
mp-import: afi any.unicast from AS49100 accept AS49100
mp-import: afi any.unicast from AS49100 accept ANY
mp-export: afi any.unicast to AS49100 announce AS57831
mp-export: afi any.unicast to AS49100 announce ANY
admin-c: AN4771-RIPE
admin-c: MHE14-RIPE
tech-c: MABE86-RIPE
tech-c: MHE14-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: PTE-MNT
created: 2016-06-03T11:14:41Z
last-modified: 2019-09-22T07:50:05Z
source: RIPE # Filtered
organisation: ORG-PTEC8-RIPE
org-name: Pishgaman Toseeh Ertebatat Company (Private Joint Stock)
country: IR
reg-nr: 10860123665 // 6524
org-type: LIR
address: No. 26, 53 Jahan Ara Ave., Yousof Abad
address: 1436744883
address: Tehran
address: IRAN, ISLAMIC REPUBLIC OF
phone: +981577
admin-c: MABE86-RIPE
tech-c: MABE86-RIPE
tech-c: MHE14-RIPE
tech-c: HB6669-RIPE
abuse-c: AR34189-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: PTE-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: PTE-MNT
created: 2015-11-10T14:02:54Z
last-modified: 2026-05-13T07:02:38Z
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 1.122.1 (BUSA)