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AS25572 Internet Systems Consortium Inc.

Q: Why is WHOIS data shown for an ASN?

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

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Internet Systems Consortium Inc. isc.org

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AS Data

AS25572

AS25572 – Internet Systems Consortium Inc.

AS Number	25572
AS Name	ISC-MAD1
Organization	Internet Systems Consortium Inc. (org-isci1-ripe)
Country	US
Website	isc.org
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2003-01-14

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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 'AS25569 - AS25575'

as-block:       AS25569 - AS25575
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:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE

% Information related to 'AS25572'

% Abuse contact for 'AS25572' is 'abuse@isc.org'

aut-num:        AS25572
as-name:        ISC-MAD1
org:            ORG-ISCI1-RIPE
remarks:        This ASN is used by ISC for management of the F-Root
remarks:        nameserver.
remarks:        Use AS25572:AS-SET if you filter based on AS-SETs.
remarks:        If you wish to peer with ISC, please see our information at
remarks:        http://www.isc.org/community/peering/
remarks:        Please see http://f.root-servers.org/ for more information.
remarks:        The server is operated by ISC, http://www.isc.org/.
remarks:        Trouble reports should be sent to noc@isc.org which opens a
remarks:        ticket. Emergency via telephone, +1 650 423 1310.
remarks:        Abuse reports to abuse@isc.org.
admin-c:        IAC75-RIPE
tech-c:         IAC75-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MAINT-ISC
created:        2003-01-14T15:52:41Z
last-modified:  2020-03-26T16:59:50Z
source:         RIPE # Filtered

organisation:   ORG-ISCI1-RIPE
org-name:       Internet Systems Consortium Inc.
country:        US
org-type:       LIR
address:        PO Box 360
address:        03857
address:        Newmarket
address:        UNITED STATES
phone:          +16504231310
fax-no:         +16504231355
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MAINT-ISC
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MAINT-ISC
abuse-c:        IAC75-RIPE
created:        2013-06-26T11:49:26Z
last-modified:  2021-09-28T09:50:38Z
source:         RIPE # Filtered

role:           ISC Abuse Contacts
address:        Internet Systems Consortium
address:        PO Box 360
address:        Newmarket
address:        NH 03857
address:        United States of America
nic-hdl:        IAC75-RIPE
abuse-mailbox:  abuse@isc.org
mnt-by:         MAINT-ISC
created:        2016-10-26T06:33:45Z
last-modified:  2021-09-28T10:00:05Z
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" : "AS25569 - AS25575",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS25572",
    "as_name" : "ISC-MAD1",
    "status" : "ASSIGNED",
    "organization" : "ORG-ISCI1-RIPE",
    "admin_contacts" : [ "IAC75-RIPE" ],
    "tech_contacts" : [ "IAC75-RIPE" ],
    "remarks" : [ "This ASN is used by ISC for management of the F-Root", "nameserver.", "Use AS25572:AS-SET if you filter based on AS-SETs.", "If you wish to peer with ISC, please see our information at", "http://www.isc.org/community/peering/", "Please see http://f.root-servers.org/ for more information.", "The server is operated by ISC, http://www.isc.org/.", "Trouble reports should be sent to noc@isc.org which opens a", "ticket. Emergency via telephone, +1 650 423 1310.", "Abuse reports to abuse@isc.org." ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MAINT-ISC" ],
    "date_created" : "2003-01-14",
    "date_updated" : "2020-03-26",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ISCI1-RIPE",
    "name" : "Internet Systems Consortium Inc.",
    "type" : "LIR",
    "address" : [ "PO Box 360", "03857", "Newmarket", "UNITED STATES" ],
    "city" : "Newmarket",
    "zip_code" : "03857",
    "country" : [ "US" ],
    "phone" : [ "+16504231310" ],
    "fax_no" : [ "+16504231355" ],
    "abuse_contacts" : [ "IAC75-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "MAINT-ISC" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MAINT-ISC" ],
    "date_created" : "2013-06-26",
    "date_updated" : "2021-09-28",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES"
  },
  "administrative_contacts" : [ {
    "handle" : "IAC75-RIPE",
    "name" : "ISC Abuse Contacts",
    "address" : [ "Internet Systems Consortium", "PO Box 360", "Newmarket", "NH 03857", "United States of America" ],
    "city" : "Newmarket",
    "state" : "NH",
    "zip_code" : "03857",
    "country" : "UNITED STATES OF AMERICA",
    "abuse_mailbox" : [ "abuse@isc.org" ],
    "mnt_by" : [ "MAINT-ISC" ],
    "date_created" : "2016-10-26",
    "date_updated" : "2021-09-28",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES OF AMERICA"
  } ],
  "technical_contacts" : [ {
    "handle" : "IAC75-RIPE",
    "name" : "ISC Abuse Contacts",
    "address" : [ "Internet Systems Consortium", "PO Box 360", "Newmarket", "NH 03857", "United States of America" ],
    "city" : "Newmarket",
    "state" : "NH",
    "zip_code" : "03857",
    "country" : "UNITED STATES OF AMERICA",
    "abuse_mailbox" : [ "abuse@isc.org" ],
    "mnt_by" : [ "MAINT-ISC" ],
    "date_created" : "2016-10-26",
    "date_updated" : "2021-09-28",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES OF AMERICA"
  } ]
}

Frequently Asked Questions

What is ASN AS25572?

ASN AS25572 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25572?

AS25572 is listed under Internet Systems Consortium Inc..

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.