ASN AS51897 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51897?

AS51897 is listed under MIHAN COMMUNICATION SYSTEMS CO.,LTD.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS51897 MIHAN COMMUNICATION SYSTEMS CO.,LTD

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MIHAN COMMUNICATION SYSTEMS CO.,LTD skydsl.ir

IR 1 Routes

AS Data

AS51897

AS51897 – MIHAN COMMUNICATION SYSTEMS CO.,LTD

AS Number	51897
AS Name	MIHAN
Organization	MIHAN COMMUNICATION SYSTEMS CO.,LTD (org-mcsc2-ripe)
Country	IR
Website	skydsl.ir
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-11-26

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
46.143.192.0/19	AS51897	MIHAN COMMUNICATION SYSTEMS CO.,LTD	MIHAN COMMUNICATION SYSTEMS CO.,LTD	8192

Raw Whois Response

% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS51857 - AS52209'

as-block:       AS51857 - AS52209
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:        2024-12-12T14:34:06Z
last-modified:  2024-12-12T14:34:06Z
source:         RIPE

% Information related to 'AS51897'

% Abuse contact for 'AS51897' is 'abuse@skydsl.ir'

aut-num:        AS51897
as-name:        MIHAN
org:            ORG-MCSC2-RIPE
import:         from AS44375 accept ANY
import:         from AS12880 accept ANY
import:         from AS57405 accept ANY
import:         from AS43754 accept ANY
export:         to AS12880 announce AS-MIHAN
export:         to AS44375 announce AS-MIHAN
export:         to AS57405 announce AS51897
export:         to AS43754 announce AS51897
default:        To AS43754
admin-c:        HS800
tech-c:         HS800
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-HAMED
mnt-by:         MNT-MIHAN
created:        2010-11-26T08:19:11Z
last-modified:  2018-09-04T10:56:15Z
source:         RIPE # Filtered

organisation:   ORG-MCSC2-RIPE
org-name:       MIHAN COMMUNICATION SYSTEMS CO.,LTD
country:        IR
org-type:       LIR
address:        Suite B, Fairgate House 2aa Kings Road, Tyseley, Birmingham
address:        B11 2AA
address:        London
address:        UNITED KINGDOM
phone:          +983131313228
phone:          +989358506020
fax-no:         +983131326315
admin-c:        HS800
abuse-c:        MAHN-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-MIHAN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-MIHAN
created:        2010-05-25T09:57:07Z
last-modified:  2025-05-07T14:49:44Z
source:         RIPE # Filtered

person:         Hamed Shafaghi
address:        Unit 1,Floor 6,Spadan-Saman Building,Bahonar AV
address:        Esfahan-IRAN
phone:          +98-31-31313228
phone:          +98-935-8506020
nic-hdl:        HS800
mnt-by:         MNT-Hamed
created:        2010-05-25T05:04:57Z
last-modified:  2025-03-10T21:25:33Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51857 - AS52209",
    "description" : [ "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" ],
    "date_created" : "2024-12-12",
    "date_updated" : "2024-12-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51897",
    "as_name" : "MIHAN",
    "status" : "ASSIGNED",
    "import" : [ "from AS44375 accept ANY", "from AS12880 accept ANY", "from AS57405 accept ANY", "from AS43754 accept ANY" ],
    "export" : [ "to AS12880 announce AS-MIHAN", "to AS44375 announce AS-MIHAN", "to AS57405 announce AS51897", "to AS43754 announce AS51897" ],
    "default" : [ "To AS43754" ],
    "organization" : "ORG-MCSC2-RIPE",
    "admin_contacts" : [ "HS800" ],
    "tech_contacts" : [ "HS800" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-HAMED", "MNT-MIHAN" ],
    "date_created" : "2010-11-26",
    "date_updated" : "2018-09-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-MCSC2-RIPE",
    "name" : "MIHAN COMMUNICATION SYSTEMS CO.,LTD",
    "type" : "LIR",
    "address" : [ "Suite B, Fairgate House 2aa Kings Road, Tyseley, Birmingham", "B11 2AA", "London", "UNITED KINGDOM" ],
    "street" : "Kings Road Tyseley",
    "city" : "London",
    "zip_code" : "B11 2AA",
    "country" : [ "IR" ],
    "phone" : [ "+983131313228", "+989358506020" ],
    "fax_no" : [ "+983131326315" ],
    "admin_contacts" : [ "HS800" ],
    "abuse_contacts" : [ "MAHN-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "MNT-MIHAN" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-MIHAN" ],
    "date_created" : "2010-05-25",
    "date_updated" : "2025-05-07",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "HS800",
    "name" : "Hamed Shafaghi",
    "address" : [ "Unit 1,Floor 6,Spadan-Saman Building,Bahonar AV", "Esfahan-IRAN" ],
    "street" : "Bahonar Av Esfahan-iran",
    "phone" : [ "+98-31-31313228", "+98-935-8506020" ],
    "mnt_by" : [ "MNT-Hamed" ],
    "date_created" : "2010-05-25",
    "date_updated" : "2025-03-10",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "HS800",
    "name" : "Hamed Shafaghi",
    "address" : [ "Unit 1,Floor 6,Spadan-Saman Building,Bahonar AV", "Esfahan-IRAN" ],
    "street" : "Bahonar Av Esfahan-iran",
    "phone" : [ "+98-31-31313228", "+98-935-8506020" ],
    "mnt_by" : [ "MNT-Hamed" ],
    "date_created" : "2010-05-25",
    "date_updated" : "2025-03-10",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS43754	Asiatech Data Transmission company	IR
AS57405	MIHAN COMMUNICATION SYSTEMS CO.,LTD	IR
AS12880	Iran Information Technology Company PJSC	IR
AS44375	Asmanfaraz Sepahan Company P.J.S	IR
AS60542	Next Internet Network Ltd	GB

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ASN Summary

AS51897 – MIHAN COMMUNICATION SYSTEMS CO.,LTD

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