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AS49552 OpenSource Security GmbH

Q: Why is WHOIS data shown for an ASN?

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

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OpenSource Security GmbH os-t.de

DE 2 Routes

AS Data

AS49552

AS49552 – OpenSource Security GmbH

AS Number	49552
AS Name	OST-SPE
Organization	OpenSource Security GmbH (org-otrs1-ripe)
Country	DE
Website	os-t.de
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2009-06-30

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.213.36.0/24	AS49552	OpenSource Security GmbH	OpenSource Training Ralf Spenneberg	256
2001:67c:24::/48	AS49552	OpenSource Security GmbH	OpenSource Training Ralf Spenneberg	~1×10²⁴

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 'AS49386 - AS49866'

as-block:       AS49386 - AS49866
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:        2026-02-24T07:14:53Z
last-modified:  2026-02-24T07:14:53Z
source:         RIPE

% Information related to 'AS49552'

% Abuse contact for 'AS49552' is 'abuse@os-t.de'

aut-num:        AS49552
as-name:        OST-SPE
descr:          OpenSource Security GmbH
org:            ORG-OTRS1-RIPE
mp-import:      afi ipv6.unicast from AS42184 accept ANY
mp-export:      afi ipv6.unicast to AS42184 announce AS49552
mp-import:      afi ipv6.unicast from AS6175 accept ANY
mp-export:      afi ipv6.unicast to AS6175 announce AS49552
admin-c:        RS9110-RIPE
tech-c:         RS9110-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-TKRZ
created:        2009-06-30T14:45:10Z
last-modified:  2023-04-05T11:07:16Z
source:         RIPE
sponsoring-org: ORG-JSG1-RIPE

organisation:   ORG-OTRS1-RIPE
org-name:       OpenSource Training Ralf Spenneberg
country:        DE
org-type:       OTHER
address:        Am Bahnhof 3-5
address:        48565 Steinfurt
address:        DE
mnt-ref:        MNT-TKRZ
mnt-by:         MNT-TKRZ
created:        2009-06-30T08:04:50Z
last-modified:  2022-12-01T16:41:42Z
source:         RIPE # Filtered
abuse-c:        AOT5-RIPE

person:         Ralf Spenneberg
address:        OpenSource Training Ralf Spenneberg
address:        Am Bahnhof 3-5
address:        48565 Steinfurt
address:        DE
phone:          +49-2552-638755
nic-hdl:        RS9110-RIPE
mnt-by:         MNT-TKRZ
created:        2009-03-30T14:46:12Z
last-modified:  2011-06-14T12:19:31Z
source:         RIPE

% 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" : "AS49386 - AS49866",
    "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" : "2026-02-24",
    "date_updated" : "2026-02-24",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS49552",
    "as_name" : "OST-SPE",
    "description" : [ "OpenSource Security GmbH" ],
    "status" : "ASSIGNED",
    "mp_import" : [ "afi ipv6.unicast from AS42184 accept ANY", "afi ipv6.unicast from AS6175 accept ANY" ],
    "mp_export" : [ "afi ipv6.unicast to AS42184 announce AS49552", "afi ipv6.unicast to AS6175 announce AS49552" ],
    "organization" : "ORG-OTRS1-RIPE",
    "sponsoring_organization" : "ORG-JSG1-RIPE",
    "admin_contacts" : [ "RS9110-RIPE" ],
    "tech_contacts" : [ "RS9110-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-TKRZ" ],
    "date_created" : "2009-06-30",
    "date_updated" : "2023-04-05",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-OTRS1-RIPE",
    "name" : "OpenSource Training Ralf Spenneberg",
    "type" : "OTHER",
    "address" : [ "Am Bahnhof 3-5", "48565 Steinfurt", "DE" ],
    "street" : "Am Bahnhof",
    "city" : "Steinfurt",
    "zip_code" : "48565",
    "country" : [ "DE" ],
    "abuse_contacts" : [ "AOT5-RIPE" ],
    "mnt_ref" : [ "MNT-TKRZ" ],
    "mnt_by" : [ "MNT-TKRZ" ],
    "date_created" : "2009-06-30",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "DE"
  },
  "administrative_contacts" : [ {
    "handle" : "RS9110-RIPE",
    "name" : "Ralf Spenneberg",
    "address" : [ "OpenSource Training Ralf Spenneberg", "Am Bahnhof 3-5", "48565 Steinfurt", "DE" ],
    "street" : "Am Bahnhof",
    "city" : "Steinfurt",
    "zip_code" : "48565",
    "country" : "DE",
    "phone" : [ "+49-2552-638755" ],
    "mnt_by" : [ "MNT-TKRZ" ],
    "date_created" : "2009-03-30",
    "date_updated" : "2011-06-14",
    "source" : "RIPE",
    "addressCountry" : "DE"
  } ],
  "technical_contacts" : [ {
    "handle" : "RS9110-RIPE",
    "name" : "Ralf Spenneberg",
    "address" : [ "OpenSource Training Ralf Spenneberg", "Am Bahnhof 3-5", "48565 Steinfurt", "DE" ],
    "street" : "Am Bahnhof",
    "city" : "Steinfurt",
    "zip_code" : "48565",
    "country" : "DE",
    "phone" : [ "+49-2552-638755" ],
    "mnt_by" : [ "MNT-TKRZ" ],
    "date_created" : "2009-03-30",
    "date_updated" : "2011-06-14",
    "source" : "RIPE",
    "addressCountry" : "DE"
  } ]
}

Peers

AS Number	Description	Country
AS6175	Cogent Communications, LLC	US
AS42184	TKRZ Stadtwerke GmbH	DE

Upstreams

AS Number	Description	Country
AS42184	TKRZ Stadtwerke GmbH	DE

Frequently Asked Questions

What is ASN AS49552?

ASN AS49552 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS49552?

AS49552 is listed under OpenSource Security GmbH.

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.