ASN AS50399 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS50399?

AS50399 is listed under Open Line Managed Services B.V..

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?

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AS50399 Open Line Managed Services B.V.

Open Line Managed Services B.V. openline.nl

NL 35 Routes

AS Data

AS50399

AS50399 – Open Line Managed Services B.V.

AS Number	50399
AS Name	OPENLINE-AS
Organization	Open Line Managed Services B.V. (org-olb2-ripe)
Country	NL
Website	openline.nl
Number of IPv4 Routes	27
Number of IPv6 Routes	8
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-01-06

ASN Intelligence API for production workflows

Use ASN data for AS50399 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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 'AS50220 - AS50841'

as-block:       AS50220 - AS50841
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:        2024-08-12T14:10:44Z
last-modified:  2024-08-12T14:10:44Z
source:         RIPE

% Information related to 'AS50399'

% Abuse contact for 'AS50399' is 'NOC@openline.nl'

aut-num:        AS50399
as-name:        OPENLINE-AS
org:            ORG-OLB2-RIPE
import:         from AS43293 accept ANY
import:         from AS44953 accept ANY
import:         from AS9009 accept ANY
export:         to AS43293 announce AS50399
export:         to AS9009 announce AS50399
export:         to AS44953 announce AS50399
admin-c:        OLMS-RIPE
tech-c:         OLMS-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OpenLine-MNT
created:        2010-01-06T15:58:13Z
last-modified:  2018-09-04T10:47:33Z
source:         RIPE

organisation:   ORG-OLB2-RIPE
org-name:       Open Line Managed Services B.V.
country:        NL
reg-nr:         14016243
org-type:       LIR
address:        Amerikalaan 90
address:        6199 AE
address:        Maastricht Airport
address:        NETHERLANDS
phone:          +31438507500
fax-no:         +31433521718
abuse-c:        AR16249-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        OpenLine-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         OpenLine-MNT
created:        2009-11-23T11:23:46Z
last-modified:  2026-10-26T14:05:36Z
source:         RIPE # Filtered

role:           Open Line Hostmaster Role
org:            ORG-OLB2-RIPE
address:        Amerikalaan 90 6199 AE Maastricht-Airport The Netherlands
phone:          +31438507000
fax-no:         +31433521718
abuse-mailbox:  abuse@openline.nl
nic-hdl:        OLMS-RIPE
mnt-by:         OpenLine-MNT
created:        2009-11-25T14:09:07Z
last-modified:  2016-07-11T12:11:10Z
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" : "AS50220 - AS50841",
    "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" : "2024-08-12",
    "date_updated" : "2024-08-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS50399",
    "as_name" : "OPENLINE-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS43293 accept ANY", "from AS44953 accept ANY", "from AS9009 accept ANY" ],
    "export" : [ "to AS43293 announce AS50399", "to AS9009 announce AS50399", "to AS44953 announce AS50399" ],
    "organization" : "ORG-OLB2-RIPE",
    "admin_contacts" : [ "OLMS-RIPE" ],
    "tech_contacts" : [ "OLMS-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "OpenLine-MNT" ],
    "date_created" : "2010-01-06",
    "date_updated" : "2018-09-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-OLB2-RIPE",
    "name" : "Open Line Managed Services B.V.",
    "type" : "LIR",
    "address" : [ "Amerikalaan 90", "6199 AE", "Maastricht Airport", "NETHERLANDS" ],
    "street" : "Amerikalaan",
    "city" : "Maastricht Airport",
    "zip_code" : "6199 AE",
    "country" : [ "NL" ],
    "phone" : [ "+31438507500" ],
    "fax_no" : [ "+31433521718" ],
    "abuse_contacts" : [ "AR16249-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "OpenLine-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "OpenLine-MNT" ],
    "date_created" : "2009-11-23",
    "date_updated" : "2026-10-26",
    "source" : "RIPE",
    "addressCountry" : "NETHERLANDS"
  },
  "administrative_contacts" : [ {
    "handle" : "OLMS-RIPE",
    "name" : "Open Line Hostmaster Role",
    "address" : [ "Amerikalaan 90 6199 AE Maastricht-Airport The Netherlands" ],
    "street" : "Amerikalaan",
    "city" : "Maastricht-airport",
    "zip_code" : "6199 AE",
    "country" : "THE NETHERLANDS",
    "abuse_mailbox" : [ "abuse@openline.nl" ],
    "phone" : [ "+31438507000" ],
    "fax_no" : [ "+31433521718" ],
    "organizations" : [ "ORG-OLB2-RIPE" ],
    "mnt_by" : [ "OpenLine-MNT" ],
    "date_created" : "2009-11-25",
    "date_updated" : "2016-07-11",
    "source" : "RIPE",
    "addressCountry" : "THE NETHERLANDS"
  } ],
  "technical_contacts" : [ {
    "handle" : "OLMS-RIPE",
    "name" : "Open Line Hostmaster Role",
    "address" : [ "Amerikalaan 90 6199 AE Maastricht-Airport The Netherlands" ],
    "street" : "Amerikalaan",
    "city" : "Maastricht-airport",
    "zip_code" : "6199 AE",
    "country" : "THE NETHERLANDS",
    "abuse_mailbox" : [ "abuse@openline.nl" ],
    "phone" : [ "+31438507000" ],
    "fax_no" : [ "+31433521718" ],
    "organizations" : [ "ORG-OLB2-RIPE" ],
    "mnt_by" : [ "OpenLine-MNT" ],
    "date_created" : "2009-11-25",
    "date_updated" : "2016-07-11",
    "source" : "RIPE",
    "addressCountry" : "THE NETHERLANDS"
  } ]
}

Peers

AS Number	Description	Country
AS20932	Service Telecom	CH
AS212815	Dyjix SAS	FR
AS39249	Netassist International EOOD	BG
AS38880	Micron21 Datacentre Pty Ltd	AU
AS37468	Angola Cables	AO
AS14907	Wikimedia Foundation Inc.	US
AS58511	Anycast Holdings Pty Ltd	AU
AS49127	Asimo Networks B.V.	NL
AS64475	Freifunk Frankfurt am Main e.V.	DE
AS50673	Serverius Holding B.V.	NL
AS133504	PAOCLOUD CO., LTD.	TH
AS60326	0xDEADBEEF LTD	SC
AS12859	BIT BV	NL
AS43293	Scalix B.V.	NL
AS32590	Valve Corporation	US
AS34428	8ROUTE GLPR	IT
AS205206	Netsite A/S	DK
AS8801	Rocket Fibre Ltd	GB
AS41666	openfactory nordic oy trading as Institute for Pyrotechnical Cleaning	FI
AS6696	VERIXI SA	BE
AS44953	Eurofiber Nederland BV	NL
AS8283	Netwerkvereniging Coloclue	NL
AS209090	Association Stolon	FR
AS12741	Netia SA	PL
AS24785	Broadband Hosting B.V.	NL
AS209823	Enki Multimedia EURL	FR
AS8298	IPng Networks GmbH	CH
AS44620	Netlen Internet Hizmetleri Ltd. Sti.	TR
AS7713	Telekomunikasi Indonesia PT	ID
AS215828	Tizian Maxime Weigt trading as TMW Global Networks	DE
AS205103	Telegraph42 Management GmbH	DE
AS34019	Hivane Association	FR
AS52025	ParadoxNetworks Limited	GB
AS212635	Jurrian van Iersel	NL
AS51202	NUXOA GmbH	DE
AS200132	Peter Paul Maria Kurstjens	NL
AS3212	Telemach Slovenija d.o.o.	SI
AS37100	SEACOM Limited	MU
AS24940	Hetzner Online GmbH	DE
AS60539	Huicast Telecom Limited	HK
AS52075	Wifirst S.A.S.	FR
AS41051	FREETRANSIT Project	CH
AS17639	Converge ICT Solutions Inc.	PH
AS39642	Sinal A/S	DK
AS204092	Association GRIFON	FR
AS57344	Telehouse AD	BG
AS20562	Broadband Hosting B.V.	NL
AS9009	M247 Europe SRL	RO
AS3356	Level 3 Parent, LLC	US
AS42541	Fiberby ApS	DK
AS49544	i3D.net B.V	NL
AS62167	Tismi BV	NL
AS9299	Philippine Long Distance Telephone Co.	PH
AS48185	team.blue NV	BE
AS64049	Reliance Jio Infocomm Pte Ltd Singapore	SG
AS49434	FBW NETWORKS SAS	FR
AS39351	31173 Services AB	SE
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS28458	IENTC S DE RL DE CV	MX

Upstreams

AS Number	Description	Country
AS209090	Association Stolon	FR
AS29632	Netassist International EOOD	BG
AS39249	Netassist International EOOD	BG
AS24785	Broadband Hosting B.V.	NL
AS25091	IP Max SA	CH
AS6204	ZET.NET IP Transit	RO
AS29075	IELO LIAZO SERVICES SAS	FR
AS6939	Hurricane Electric LLC	US
AS7713	Telekomunikasi Indonesia PT	ID
AS48646	SDRmedia Verwaltungs GmbH	DE
AS33891	Core Backbone GmbH	DE
AS205103	Telegraph42 Management GmbH	DE
AS37468	Angola Cables	AO
AS6696	VERIXI SA	BE
AS209022	Tschajera Limited	GB
AS8218	operated Upstreamnet gmbh	FR
AS20485	Joint Stock Company TransTeleCom	RU
AS20562	Broadband Hosting B.V.	NL
AS3356	Level 3 Parent, LLC	US
AS50673	Serverius Holding B.V.	NL
AS37100	SEACOM Limited	MU
AS137409	GSL Networks Pty LTD	AU

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