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AS41157 oui.do/netsys SAS | IPGeolocation.io

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

oui.do/netsys SAS noir.network

FR 3 Routes

AS Data

AS41157

AS41157 – oui.do/netsys SAS

AS Number	41157
AS Name	OXYMIUM
Organization	oui.do/netsys SAS (org-nns25-ripe)
Country	FR
Website	noir.network
Number of IPv4 Routes	1
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2006-06-22

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Use ASN data for AS41157 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a02:2218::/29	AS41157	oui.do/netsys SAS	oui.do/netsys SAS	~634×10²⁷
81.201.176.0/20	AS47160	MOJI SAS	oui.do/netsys SAS	4096
2a02:2218::/32	AS41157	oui.do/netsys SAS	oui.do/netsys SAS	~79×10²⁷

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 'AS40960 - AS42171'

as-block:       AS40960 - AS42171
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS41157'

% Abuse contact for 'AS41157' is 'abuse@noir.network'

aut-num:        AS41157
as-name:        OXYMIUM
org:            ORG-NNS25-RIPE
admin-c:        NA7631-RIPE
tech-c:         NA7631-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-MOJI
created:        2006-06-22T11:04:03Z
last-modified:  2026-07-03T07:04:55Z
source:         RIPE
remarks:        === UPSTREAMS ===
mp-import:      afi ipv4.unicast,ipv6.unicast from AS47160 accept ANY # AS47160
mp-export:      afi ipv4.unicast,ipv6.unicast to AS47160 announce AS-OXYMIUM # AS47160

organisation:   ORG-NNS25-RIPE
org-name:       oui.do/netsys SAS
country:        FR
reg-nr:         880 120 126 R.C.S. Nanterre
org-type:       LIR
address:        189 RUE DE SURESNES
address:        92000
address:        NANTERRE
address:        FRANCE
phone:          +33188468650
admin-c:        NA7631-RIPE
tech-c:         NA7631-RIPE
abuse-c:        AR67934-RIPE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-MOJI
created:        2022-03-17T11:10:08Z
last-modified:  2026-05-13T07:42:56Z
source:         RIPE # Filtered
mnt-ref:        MNT-MOJI

role:           Noc
address:        FRANCE
address:        NANTERRE
address:        92000
address:        189 RUE DE SURESNES
phone:          +33188468650
nic-hdl:        NA7631-RIPE
mnt-by:         lir-fr-noirnetwork-1-MNT
created:        2022-03-17T11:10:07Z
last-modified:  2022-03-17T11:10:08Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS40960 - AS42171",
    "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" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS41157",
    "as_name" : "OXYMIUM",
    "status" : "ASSIGNED",
    "mp_import" : [ "afi ipv4.unicast,ipv6.unicast from AS47160 accept ANY" ],
    "mp_export" : [ "afi ipv4.unicast,ipv6.unicast to AS47160 announce AS-OXYMIUM" ],
    "organization" : "ORG-NNS25-RIPE",
    "admin_contacts" : [ "NA7631-RIPE" ],
    "tech_contacts" : [ "NA7631-RIPE" ],
    "remarks" : [ "=== UPSTREAMS ===" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-MOJI" ],
    "date_created" : "2006-06-22",
    "date_updated" : "2026-07-03",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NNS25-RIPE",
    "name" : "oui.do/netsys SAS",
    "type" : "LIR",
    "address" : [ "189 RUE DE SURESNES", "92000", "NANTERRE", "FRANCE" ],
    "street" : "Rue De Suresnes",
    "city" : "Nanterre",
    "zip_code" : "92000",
    "country" : [ "FR" ],
    "phone" : [ "+33188468650" ],
    "admin_contacts" : [ "NA7631-RIPE" ],
    "tech_contacts" : [ "NA7631-RIPE" ],
    "abuse_contacts" : [ "AR67934-RIPE" ],
    "mnt_ref" : [ "MNT-MOJI" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-MOJI" ],
    "date_created" : "2022-03-17",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  },
  "administrative_contacts" : [ {
    "handle" : "NA7631-RIPE",
    "name" : "Noc",
    "address" : [ "FRANCE", "NANTERRE", "92000", "189 RUE DE SURESNES" ],
    "street" : "Rue De Suresnes",
    "city" : "Nanterre",
    "zip_code" : "92000",
    "phone" : [ "+33188468650" ],
    "mnt_by" : [ "lir-fr-noirnetwork-1-MNT" ],
    "date_created" : "2022-03-17",
    "date_updated" : "2022-03-17",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "NA7631-RIPE",
    "name" : "Noc",
    "address" : [ "FRANCE", "NANTERRE", "92000", "189 RUE DE SURESNES" ],
    "street" : "Rue De Suresnes",
    "city" : "Nanterre",
    "zip_code" : "92000",
    "phone" : [ "+33188468650" ],
    "mnt_by" : [ "lir-fr-noirnetwork-1-MNT" ],
    "date_created" : "2022-03-17",
    "date_updated" : "2022-03-17",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS62443	Nicolas VUILLERMET	FR
AS47160	MOJI SAS	FR

Upstreams

AS Number	Description	Country
AS62443	Nicolas VUILLERMET	FR

Frequently Asked Questions

What is ASN AS41157?

ASN AS41157 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS41157?

AS41157 is listed under oui.do/netsys SAS.

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.