ASN AS44821 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS44821?

AS44821 is listed under Koesio Nord Ouest SAS.

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.

AS44821 Koesio Nord Ouest SAS

ASN Lookup Tool

Koesio Nord Ouest SAS koesio.com

FR 6 Routes

AS Data

AS44821

AS44821 – Koesio Nord Ouest SAS

AS Number	44821
AS Name	ONEOP
Organization	Koesio Nord Ouest SAS (org-oos9-ripe)
Country	FR
Website	koesio.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2016-04-22

ASN Intelligence API for production workflows

Use ASN data for AS44821 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
149.86.172.0/22	AS44821	Koesio Nord Ouest SAS	S.A.S.U. KOESIO NETWORKS	1024
5.253.132.0/23	AS44821	Koesio Nord Ouest SAS	Koesio Nord Ouest SAS	512
85.118.52.0/22	AS44821	Koesio Nord Ouest SAS	Koesio Nord Ouest SAS	1024
5.253.134.0/24	AS44821	Koesio Nord Ouest SAS	Koesio Nord Ouest SAS	256
185.23.138.0/23	AS44821	Koesio Nord Ouest SAS	Koesio Nord Ouest SAS	512
185.148.252.0/22	AS44821	Koesio Nord Ouest SAS	Koesio Nord Ouest SAS	1024

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 'AS44571 - AS45055'

as-block:       AS44571 - AS45055
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:        2025-01-27T15:33:09Z
last-modified:  2025-01-27T15:33:09Z
source:         RIPE

% Information related to 'AS44821'

% Abuse contact for 'AS44821' is 'pierre.petra@koesio.com'

aut-num:        AS44821
as-name:        ONEOP
org:            ORG-OOS9-RIPE
import:         from AS44583 accept ANY
export:         to AS44583 announce AS44821
import:         from AS29075 accept ANY
export:         to AS29075 announce AS44821
admin-c:        TB8453-RIPE
tech-c:         TB8453-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CPRO
created:        2016-04-22T14:08:50Z
last-modified:  2026-04-10T08:28:07Z
source:         RIPE

organisation:   ORG-OOS9-RIPE
org-name:       Koesio Nord Ouest SAS
country:        FR
org-type:       LIR
address:        595 Avenue du Mar�chal Juin
address:        76230
address:        Bois-Guillaume
address:        FRANCE
phone:          +33 2 32 59 16 66
phone:          +33235707174
admin-c:        TB8453-RIPE
tech-c:         TB8453-RIPE
abuse-c:        AR36029-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CPRO
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CPRO
created:        2016-04-11T08:08:45Z
last-modified:  2026-04-10T08:28:08Z
source:         RIPE # Filtered

person:         Sebastien LUYAT
address:        595 Avenue du Marechal Juin
address:        76230
address:        Bois-Guillaume
address:        FRANCE
phone:          +33235707174
nic-hdl:        TB8453-RIPE
mnt-by:         fr-oneoperateur-1-mnt
created:        2016-04-11T08:08:44Z
last-modified:  2019-01-22T13:38:21Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS44571 - AS45055",
    "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" : "2025-01-27",
    "date_updated" : "2025-01-27",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS44821",
    "as_name" : "ONEOP",
    "status" : "ASSIGNED",
    "import" : [ "from AS44583 accept ANY", "from AS29075 accept ANY" ],
    "export" : [ "to AS44583 announce AS44821", "to AS29075 announce AS44821" ],
    "organization" : "ORG-OOS9-RIPE",
    "admin_contacts" : [ "TB8453-RIPE" ],
    "tech_contacts" : [ "TB8453-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-CPRO" ],
    "date_created" : "2016-04-22",
    "date_updated" : "2026-04-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-OOS9-RIPE",
    "name" : "Koesio Nord Ouest SAS",
    "type" : "LIR",
    "address" : [ "595 Avenue du Mar?chal Juin", "76230", "Bois-Guillaume", "FRANCE" ],
    "street" : "Avenue Du Mar?chal Juin",
    "city" : "Bois-guillaume",
    "zip_code" : "76230",
    "country" : [ "FR" ],
    "phone" : [ "+33 2 32 59 16 66", "+33235707174" ],
    "admin_contacts" : [ "TB8453-RIPE" ],
    "tech_contacts" : [ "TB8453-RIPE" ],
    "abuse_contacts" : [ "AR36029-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "MNT-CPRO" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-CPRO" ],
    "date_created" : "2016-04-11",
    "date_updated" : "2026-04-10",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  },
  "administrative_contacts" : [ {
    "handle" : "TB8453-RIPE",
    "name" : "Sebastien LUYAT",
    "address" : [ "595 Avenue du Marechal Juin", "76230", "Bois-Guillaume", "FRANCE" ],
    "street" : "Avenue Du Marechal Juin",
    "city" : "Bois-guillaume",
    "zip_code" : "76230",
    "country" : "FRANCE",
    "phone" : [ "+33235707174" ],
    "mnt_by" : [ "fr-oneoperateur-1-mnt" ],
    "date_created" : "2016-04-11",
    "date_updated" : "2019-01-22",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ],
  "technical_contacts" : [ {
    "handle" : "TB8453-RIPE",
    "name" : "Sebastien LUYAT",
    "address" : [ "595 Avenue du Marechal Juin", "76230", "Bois-Guillaume", "FRANCE" ],
    "street" : "Avenue Du Marechal Juin",
    "city" : "Bois-guillaume",
    "zip_code" : "76230",
    "country" : "FRANCE",
    "phone" : [ "+33235707174" ],
    "mnt_by" : [ "fr-oneoperateur-1-mnt" ],
    "date_created" : "2016-04-11",
    "date_updated" : "2019-01-22",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ]
}

Peers

AS Number	Description	Country
AS29075	IELO LIAZO SERVICES SAS	FR
AS206120	KOESIO Networks SAS	FR
AS44583	AMPLEMENT SAS	FR

Upstreams

AS Number	Description	Country
AS206120	KOESIO Networks SAS	FR