ASN Lookup Tool

'Nothing But Air' Services B.V. duocast.nl NL NL 1 Routes

AS Data

AS51923

AS51923 – 'Nothing But Air' Services B.V.

AS Number 51923
AS Name NBA-AS
Organization 'Nothing But Air' Services B.V.(org-basb1-ripe)
Country NL
Website duocast.nl
Number of IPv4 Routes 0
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-11-30

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IP Ranges

Route # IPs
2a01:1b0:c000::/44 ~19×10²⁴

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 'AS51857 - AS52209'

as-block:       AS51857 - AS52209
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:        2024-12-12T14:34:06Z
last-modified:  2024-12-12T14:34:06Z
source:         RIPE

% Information related to 'AS51923'

% Abuse contact for 'AS51923' is 'abuse@duocast.nl'

aut-num:        AS51923
as-name:        NBA-AS
org:            ORG-BASB1-RIPE
import:         from AS31477 accept ANY
export:         to AS31477 announce ANY
import:         from AS3549 accept ANY
export:         to AS3549 announce ANY
admin-c:        DW2018-RIPE
tech-c:         DW2018-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-DUOCAST
created:        2010-11-30T10:31:17Z
last-modified:  2018-09-04T10:56:22Z
source:         RIPE
sponsoring-org: ORG-DA16-RIPE

organisation:   ORG-BASB1-RIPE
org-name:       'Nothing But Air' Services B.V.
country:        NL
org-type:       OTHER
address:        Haaksbergweg 41
address:        1101 BR AMSTERDAM
address:        The Netherlands
abuse-c:        AR28942-RIPE
mnt-ref:        MNT-DUOCAST
mnt-by:         MNT-DUOCAST
created:        2010-11-29T09:25:29Z
last-modified:  2022-12-01T17:07:38Z
source:         RIPE # Filtered

person:         Danny Witsche
address:        Haaksbergweg 41
address:        1101 BR  AMSTERDAM
address:        The Netherlands
phone:          +31 20 5672160
nic-hdl:        DW2018-RIPE
mnt-by:         MNT-DUOCAST
created:        2010-11-29T09:31:16Z
last-modified:  2010-11-29T09:31:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121 (BUSA)

Parsed Whois Response

Peers

AS Number Description Country
AS16074 Capgemini Nederland B.V. NL
AS3549 Level 3 Parent, LLC US
AS31477 Duocast B.V. NL

Upstreams

AS Number Description Country
AS31477 Duocast B.V. NL

Downstreams

AS Number Description Country
AS16074 Capgemini Nederland B.V. NL

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Frequently Asked Questions

ASN AS51923 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51923 is listed under 'Nothing But Air' Services B.V..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.