ASN AS58123 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS58123?

AS58123 is listed under NG Communications BV.

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.

AS58123 NG Communications BV | IPGeolocation.io

ASN Lookup Tool

NG Communications BV ngcommunications.com

BE 3 Routes

AS Data

AS58123

AS58123 – NG Communications BV

AS Number	58123
AS Name	NGCOMMUNICATIONS
Organization	NG Communications BV (org-rb10-ripe)
Country	BE
Website	ngcommunications.com
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2012-05-09

ASN Intelligence API for production workflows

Use ASN data for AS58123 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a01:7040::/32	AS58123	NG Communications BV	NG Communications BV	~79×10²⁷
46.19.5.0/24	AS58123	NG Communications BV	NG Communications BV	256
46.19.4.0/24	AS58123	NG Communications BV	NG Communications BV	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 'AS57975 - AS58367'

as-block:       AS57975 - AS58367
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS58123'

% Abuse contact for 'AS58123' is 'abuse@ngcommunications.com'

aut-num:        AS58123
as-name:        NGCOMMUNICATIONS
org:            ORG-Rb10-RIPE
import:         from AS8220 accept ANY
import:         from AS39923 accept ANY
export:         to AS8220 announce AS58123
export:         to AS39923 announce AS58123
admin-c:        NGC7-RIPE
tech-c:         NGC7-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-NGC
created:        2012-05-09T08:44:01Z
last-modified:  2019-03-22T14:06:33Z
source:         RIPE

organisation:   ORG-Rb10-RIPE
org-name:       NG Communications BV
country:        BE
org-type:       LIR
address:        Kwerpsebaan 223 B
address:        3071
address:        Kortenberg
address:        BELGIUM
phone:          +3224006670
fax-no:         +3224006671
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-NGC
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-NGC
abuse-c:        NGC7-RIPE
created:        2009-06-29T13:57:55Z
last-modified:  2022-08-11T09:00:34Z
source:         RIPE # Filtered

role:           NGC NOC
address:        Kwerpsebaan 223 B
address:        3071 Kortenberg
address:        BELGIUM
admin-c:        MC9520-RIPE
tech-c:         MC9520-RIPE
nic-hdl:        NGC7-RIPE
abuse-mailbox:  abuse@ngcommunications.com
mnt-by:         MNT-NGC
created:        2012-05-08T14:12:30Z
last-modified:  2013-07-17T13:47:59Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS57975 - AS58367",
    "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" : "2025-04-24",
    "date_updated" : "2025-04-24",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS58123",
    "as_name" : "NGCOMMUNICATIONS",
    "status" : "ASSIGNED",
    "import" : [ "from AS8220 accept ANY", "from AS39923 accept ANY" ],
    "export" : [ "to AS8220 announce AS58123", "to AS39923 announce AS58123" ],
    "organization" : "ORG-Rb10-RIPE",
    "admin_contacts" : [ "NGC7-RIPE" ],
    "tech_contacts" : [ "NGC7-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-NGC" ],
    "date_created" : "2012-05-09",
    "date_updated" : "2019-03-22",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-Rb10-RIPE",
    "name" : "NG Communications BV",
    "type" : "LIR",
    "address" : [ "Kwerpsebaan 223 B", "3071", "Kortenberg", "BELGIUM" ],
    "street" : "Kwerpsebaan",
    "city" : "Kortenberg",
    "zip_code" : "3071",
    "country" : [ "BE" ],
    "phone" : [ "+3224006670" ],
    "fax_no" : [ "+3224006671" ],
    "abuse_contacts" : [ "NGC7-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "MNT-NGC" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-NGC" ],
    "date_created" : "2009-06-29",
    "date_updated" : "2022-08-11",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  },
  "administrative_contacts" : [ {
    "handle" : "NGC7-RIPE",
    "name" : "NGC NOC",
    "address" : [ "Kwerpsebaan 223 B", "3071 Kortenberg", "BELGIUM" ],
    "street" : "Kwerpsebaan",
    "city" : "Kortenberg",
    "zip_code" : "3071",
    "country" : "BELGIUM",
    "abuse_mailbox" : [ "abuse@ngcommunications.com" ],
    "admin_contacts" : [ "MC9520-RIPE" ],
    "tech_contacts" : [ "MC9520-RIPE" ],
    "mnt_by" : [ "MNT-NGC" ],
    "date_created" : "2012-05-08",
    "date_updated" : "2013-07-17",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  } ],
  "technical_contacts" : [ {
    "handle" : "NGC7-RIPE",
    "name" : "NGC NOC",
    "address" : [ "Kwerpsebaan 223 B", "3071 Kortenberg", "BELGIUM" ],
    "street" : "Kwerpsebaan",
    "city" : "Kortenberg",
    "zip_code" : "3071",
    "country" : "BELGIUM",
    "abuse_mailbox" : [ "abuse@ngcommunications.com" ],
    "admin_contacts" : [ "MC9520-RIPE" ],
    "tech_contacts" : [ "MC9520-RIPE" ],
    "mnt_by" : [ "MNT-NGC" ],
    "date_created" : "2012-05-08",
    "date_updated" : "2013-07-17",
    "source" : "RIPE",
    "addressCountry" : "BELGIUM"
  } ]
}

Peers

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS39923	Unix-Solutions BV	BE
AS40676	Psychz Networks	US
AS6939	Hurricane Electric LLC	US
AS39923	Unix Solutions BV	BE

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS40676	Psychz Networks	US
AS6939	Hurricane Electric LLC	US
AS39923	Unix Solutions BV	BE