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AS1837 NATO Communications and Information Agency

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

NATO Communications and Information Agency ncirc.nato.int

BE 1 Routes

AS Data

AS1837

AS1837 – NATO Communications and Information Agency

AS Number	1837
AS Name	NCIA
Organization	NATO Communications and Information Agency (org-tnat1-ripe)
Country	BE
Website	ncirc.nato.int
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Allocation Status	LEGACY
Registry	RIPE
Date Allocated	2002-08-21

ASN Intelligence API for production workflows

Use ASN data for AS1837 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.41.140.0/24	AS1837	NATO Communications and Information Agency	The North Atlantic Treaty Organization	256

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 'AS1835 - AS1837'

as-block:       AS1835 - AS1837
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:        2018-11-22T15:27:13Z
last-modified:  2018-11-22T15:27:13Z
source:         RIPE

% Information related to 'AS1837'

% Abuse contact for 'AS1837' is 'ncirctc@ncirc.nato.int'

aut-num:        AS1837
abuse-c:        AC24859-RIPE
as-name:        NCIA
descr:          NATO Communications and Information Agency
import:         from AS1103 accept ANY
import:         from AS2611 accept ANY
import:         from AS21489 accept ANY
export:         to AS1103 announce AS1837
export:         to AS2611 announce AS1837
export:         to AS21489 announce ANY
status:         LEGACY
mnt-by:         AS1837-MNT
mnt-by:         NATO-MNT1
admin-c:        NA8822-RIPE
tech-c:         NA8822-RIPE
created:        2002-08-21T16:42:12Z
last-modified:  2024-05-31T09:21:23Z
source:         RIPE
org:            ORG-TNAT1-RIPE

organisation:   ORG-TNAT1-RIPE
org-name:       The North Atlantic Treaty Organization
country:        BE
reg-nr:         0923.971.421
org-type:       LIR
address:        Bldg 302
address:        B-7010
address:        SHAPE
address:        BELGIUM
phone:          +3265445280
admin-c:        NA8822-RIPE
abuse-c:        AC24859-RIPE
mnt-ref:        NATO-MNT1
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NATO-MNT1
created:        2013-12-17T10:47:18Z
last-modified:  2026-05-13T07:14:13Z
source:         RIPE # Filtered

role:           NCIA-Contact
address:        203, Bldg 302, SHAPE, Belgium
nic-hdl:        NA8822-RIPE
mnt-by:         NATO-MNT1
created:        2024-05-31T09:12:25Z
last-modified:  2024-05-31T09:12:25Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS1835 - AS1837",
    "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" : "AS1837",
    "as_name" : "NCIA",
    "description" : [ "NATO Communications and Information Agency" ],
    "status" : "LEGACY",
    "import" : [ "from AS1103 accept ANY", "from AS2611 accept ANY", "from AS21489 accept ANY" ],
    "export" : [ "to AS1103 announce AS1837", "to AS2611 announce AS1837", "to AS21489 announce ANY" ],
    "organization" : "ORG-TNAT1-RIPE",
    "admin_contacts" : [ "NA8822-RIPE" ],
    "tech_contacts" : [ "NA8822-RIPE" ],
    "abuse_contacts" : [ "AC24859-RIPE" ],
    "mnt_by" : [ "AS1837-MNT", "NATO-MNT1" ],
    "date_created" : "2002-08-21",
    "date_updated" : "2024-05-31",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-TNAT1-RIPE",
    "name" : "The North Atlantic Treaty Organization",
    "type" : "LIR",
    "address" : [ "Bldg 302", "B-7010", "SHAPE", "BELGIUM" ],
    "city" : "Shape",
    "zip_code" : "B-7010",
    "country" : [ "BE" ],
    "phone" : [ "+3265445280" ],
    "admin_contacts" : [ "NA8822-RIPE" ],
    "abuse_contacts" : [ "AC24859-RIPE" ],
    "mnt_ref" : [ "NATO-MNT1", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "NATO-MNT1" ],
    "date_created" : "2013-12-17",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  },
  "administrative_contacts" : [ {
    "handle" : "NA8822-RIPE",
    "name" : "NCIA-Contact",
    "address" : [ "203, Bldg 302, SHAPE, Belgium" ],
    "city" : "Shape",
    "country" : "BELGIUM",
    "mnt_by" : [ "NATO-MNT1" ],
    "date_created" : "2024-05-31",
    "date_updated" : "2024-05-31",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  } ],
  "technical_contacts" : [ {
    "handle" : "NA8822-RIPE",
    "name" : "NCIA-Contact",
    "address" : [ "203, Bldg 302, SHAPE, Belgium" ],
    "city" : "Shape",
    "country" : "BELGIUM",
    "mnt_by" : [ "NATO-MNT1" ],
    "date_created" : "2024-05-31",
    "date_updated" : "2024-05-31",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  } ]
}

Peers

AS Number	Description	Country
AS2611	BELNET	BE
AS1103	SURF B.V.	NL
AS21489	The North Atlantic Treaty Organization	BE

Upstreams

AS Number	Description	Country
AS1103	SURF B.V.	NL

Frequently Asked Questions

What is ASN AS1837?

ASN AS1837 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1837?

AS1837 is listed under NATO Communications and Information Agency.

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.