ASN AS56508 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS56508?

AS56508 is listed under Amateur Radio Digital Communications.

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.

AS56508 Amateur Radio Digital Communications

ASN Lookup Tool

Amateur Radio Digital Communications ardc.net

US 21 Routes

AS Data

AS56508

AS56508 – Amateur Radio Digital Communications

AS Number	56508
AS Name	ARDC
Organization	Amateur Radio Digital Communications (org-ardc1-ripe)
Country	US
Website	ardc.net
Number of IPv4 Routes	21
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2023-07-24

ASN Intelligence API for production workflows

Use ASN data for AS56508 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

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 'AS56444 - AS56807'

as-block:       AS56444 - AS56807
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:        2024-12-10T14:53:42Z
last-modified:  2024-12-10T14:53:42Z
source:         RIPE

% Information related to 'AS56508'

% Abuse contact for 'AS56508' is 'abuse@ardc.net'

aut-num:        AS56508
as-name:        ARDC
org:            ORG-ARDC1-RIPE
sponsoring-org: ORG-TCGL6-RIPE
import:         from AS64435 accept ANY
export:         to AS64435 announce AS56508
import:         from AS6556 accept ANY
export:         to AS6556 announce AS56508
admin-c:        HA4698-RIPE
tech-c:         HA4698-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-uk-comgw-1-MNT
created:        2023-07-24T09:52:34Z
last-modified:  2023-07-24T09:52:34Z
source:         RIPE

organisation:   ORG-ARDC1-RIPE
org-name:       Amateur Radio Digital Communications
country:        US
reg-nr:         3421515 (California)
org-type:       OTHER
address:        5663 Balboa Ave
address:        Suite 432
address:        San Diego
address:        CA 92111-2705
address:        USA
abuse-c:        ACRO53502-RIPE
mnt-ref:        lir-uk-comgw-1-MNT
mnt-ref:        net-ardc-mnt
mnt-by:         lir-uk-comgw-1-MNT
mnt-by:         net-ardc-mnt
created:        2023-07-20T18:11:21Z
last-modified:  2026-05-13T06:24:48Z
source:         RIPE # Filtered

role:           Hostmaster
address:        27 Wye Road
address:        HIGH WYCOMBE
address:        HP10 0DU
address:        UNITED KINGDOM
phone:          +44 1844 220022
nic-hdl:        HA4698-RIPE
mnt-by:         lir-uk-comgw-1-MNT
created:        2021-06-18T08:05:22Z
last-modified:  2021-06-18T08:20:44Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS56444 - AS56807",
    "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" : "2024-12-10",
    "date_updated" : "2024-12-10",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS56508",
    "as_name" : "ARDC",
    "status" : "ASSIGNED",
    "import" : [ "from AS64435 accept ANY", "from AS6556 accept ANY" ],
    "export" : [ "to AS64435 announce AS56508", "to AS6556 announce AS56508" ],
    "organization" : "ORG-ARDC1-RIPE",
    "sponsoring_organization" : "ORG-TCGL6-RIPE",
    "admin_contacts" : [ "HA4698-RIPE" ],
    "tech_contacts" : [ "HA4698-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-uk-comgw-1-MNT" ],
    "date_created" : "2023-07-24",
    "date_updated" : "2023-07-24",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ARDC1-RIPE",
    "name" : "Amateur Radio Digital Communications",
    "type" : "OTHER",
    "address" : [ "5663 Balboa Ave", "Suite 432", "San Diego", "CA 92111-2705", "USA" ],
    "street" : "Balboa Ave",
    "city" : "San Diego",
    "state" : "CA",
    "zip_code" : "92111-2705",
    "country" : [ "US" ],
    "abuse_contacts" : [ "ACRO53502-RIPE" ],
    "mnt_ref" : [ "lir-uk-comgw-1-MNT", "net-ardc-mnt" ],
    "mnt_by" : [ "lir-uk-comgw-1-MNT", "net-ardc-mnt" ],
    "date_created" : "2023-07-20",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "USA"
  },
  "administrative_contacts" : [ {
    "handle" : "HA4698-RIPE",
    "name" : "Hostmaster",
    "address" : [ "27 Wye Road", "HIGH WYCOMBE", "HP10 0DU", "UNITED KINGDOM" ],
    "street" : "Wye Road",
    "city" : "High Wycombe",
    "zip_code" : "HP10 0DU",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 1844 220022" ],
    "mnt_by" : [ "lir-uk-comgw-1-MNT" ],
    "date_created" : "2021-06-18",
    "date_updated" : "2021-06-18",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ],
  "technical_contacts" : [ {
    "handle" : "HA4698-RIPE",
    "name" : "Hostmaster",
    "address" : [ "27 Wye Road", "HIGH WYCOMBE", "HP10 0DU", "UNITED KINGDOM" ],
    "street" : "Wye Road",
    "city" : "High Wycombe",
    "zip_code" : "HP10 0DU",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+44 1844 220022" ],
    "mnt_by" : [ "lir-uk-comgw-1-MNT" ],
    "date_created" : "2021-06-18",
    "date_updated" : "2021-06-18",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ]
}

Peers

AS Number	Description	Country
AS6556	AZSIGNSHOP LLC	US
AS52025	ParadoxNetworks Limited	GB
AS64435	The Communication GATEWAY LTD	GB
AS20473	The Constant Company, LLC	US
AS36318	Zachary Seguin, Sole Proprietorship	CA

Upstreams

AS Number	Description	Country
AS20473	The Constant Company, LLC	US

Downstreams

AS Number	Description	Country
AS36318	Zachary Seguin, Sole Proprietorship	CA