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AS62431 National Cyber Security Centre

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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National Cyber Security Centre ncsc.gov.ie

IE 0 Routes

AS Data

AS62431

AS62431 – National Cyber Security Centre

AS Number	62431
AS Name	NCSC-IE-AS
Organization	National Cyber Security Centre (org-ncsc3-ripe)
Country	IE
Website	ncsc.gov.ie
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2013-09-24

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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 'AS61962 - AS62463'

as-block:       AS61962 - AS62463
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:        2026-01-12T16:16:13Z
last-modified:  2026-01-12T16:16:13Z
source:         RIPE

% Information related to 'AS62431'

% Abuse contact for 'AS62431' is 'abuse@ncsc.gov.ie'

aut-num:        AS62431
as-name:        NCSC-IE-AS
org:            ORG-NCSC3-RIPE
import:         from AS15502 accept ANY
import:         from AS41883 accept ANY
export:         to AS15502 announce AS62431
export:         to AS41883 announce AS62431
admin-c:        RD10253-RIPE
tech-c:         CB22440-RIPE
tech-c:         CD11154-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-NCSC-IE
created:        2013-09-24T06:04:01Z
last-modified:  2026-04-14T11:41:54Z
source:         RIPE # Filtered

organisation:   ORG-NCSC3-RIPE
org-name:       National Cyber Security Centre
country:        IE
org-type:       LIR
address:        Tom Johnson House, Haddington Rd, Dublin 4
address:        D04 K7X4
address:        Dublin
address:        IRELAND
phone:          +35316782333
fax-no:         +35316782729
mnt-ref:        MNT-NCSC-IE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-NCSC-IE
mnt-ref:        RIPE-NCC-HM-MNT
abuse-c:        AC24086-RIPE
admin-c:        CB22440-RIPE
admin-c:        RD10253-RIPE
tech-c:         CD11154-RIPE
created:        2013-09-11T09:38:23Z
last-modified:  2026-04-16T13:29:38Z
source:         RIPE # Filtered

person:         C Bree
address:        Tom Johnson House
phone:          +353871767202
nic-hdl:        CB22440-RIPE
created:        2026-04-14T11:28:22Z
last-modified:  2026-04-14T11:28:22Z
source:         RIPE
mnt-by:         MNT-NCSC-IE

person:         C Doherty
address:        Tom Johnson House, Haddington Rd, Dublin 4
phone:          +35316782333
nic-hdl:        CD11154-RIPE
created:        2026-04-14T11:19:17Z
last-modified:  2026-04-14T11:19:17Z
source:         RIPE
mnt-by:         MNT-NCSC-IE

person:         R Dowdall
address:        Tom Johnson House, Haddington Rd,
phone:          +874697443
nic-hdl:        RD10253-RIPE
created:        2026-04-14T11:20:45Z
last-modified:  2026-04-14T11:20:45Z
source:         RIPE
mnt-by:         MNT-NCSC-IE

% 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" : "AS61962 - AS62463",
    "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" : "2026-01-12",
    "date_updated" : "2026-01-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS62431",
    "as_name" : "NCSC-IE-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS15502 accept ANY", "from AS41883 accept ANY" ],
    "export" : [ "to AS15502 announce AS62431", "to AS41883 announce AS62431" ],
    "organization" : "ORG-NCSC3-RIPE",
    "admin_contacts" : [ "RD10253-RIPE" ],
    "tech_contacts" : [ "CB22440-RIPE", "CD11154-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-NCSC-IE" ],
    "date_created" : "2013-09-24",
    "date_updated" : "2026-04-14",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NCSC3-RIPE",
    "name" : "National Cyber Security Centre",
    "type" : "LIR",
    "address" : [ "Tom Johnson House, Haddington Rd, Dublin 4", "D04 K7X4", "Dublin", "IRELAND" ],
    "street" : "Haddington Rd",
    "city" : "Dublin",
    "zip_code" : "D04 K7X4",
    "country" : [ "IE" ],
    "phone" : [ "+35316782333" ],
    "fax_no" : [ "+35316782729" ],
    "admin_contacts" : [ "CB22440-RIPE", "RD10253-RIPE" ],
    "tech_contacts" : [ "CD11154-RIPE" ],
    "abuse_contacts" : [ "AC24086-RIPE" ],
    "mnt_ref" : [ "MNT-NCSC-IE", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-NCSC-IE" ],
    "date_created" : "2013-09-11",
    "date_updated" : "2026-04-16",
    "source" : "RIPE",
    "addressCountry" : "IRELAND"
  },
  "administrative_contacts" : [ {
    "handle" : "RD10253-RIPE",
    "name" : "R Dowdall",
    "address" : [ "Tom Johnson House, Haddington Rd," ],
    "street" : "Haddington Rd",
    "phone" : [ "+874697443" ],
    "mnt_by" : [ "MNT-NCSC-IE" ],
    "date_created" : "2026-04-14",
    "date_updated" : "2026-04-14",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CB22440-RIPE",
    "name" : "C Bree",
    "address" : [ "Tom Johnson House" ],
    "phone" : [ "+353871767202" ],
    "mnt_by" : [ "MNT-NCSC-IE" ],
    "date_created" : "2026-04-14",
    "date_updated" : "2026-04-14",
    "source" : "RIPE"
  }, {
    "handle" : "CD11154-RIPE",
    "name" : "C Doherty",
    "address" : [ "Tom Johnson House, Haddington Rd, Dublin 4" ],
    "street" : "Haddington Rd",
    "city" : "Dublin 4",
    "phone" : [ "+35316782333" ],
    "mnt_by" : [ "MNT-NCSC-IE" ],
    "date_created" : "2026-04-14",
    "date_updated" : "2026-04-14",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS15502	Vodafone Ireland Limited	IE
AS41883	Vodafone Ireland Limited	IE

Frequently Asked Questions

What is ASN AS62431?

ASN AS62431 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS62431?

AS62431 is listed under National Cyber Security Centre.

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.

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ASN Summary

AS62431 – National Cyber Security Centre

ASN Intelligence API for production workflows

Raw Whois Response

Parsed Whois Response

Peers

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