ASN Lookup Tool

Synamedia Limited gtt.net GB GB 5 Routes

AS Data

AS57750

AS57750Synamedia Limited

AS Number 57750
AS Name NDS-UK
Organization Synamedia Limited(org-na320-ripe)
Country GB
Website gtt.net
Number of IPv4 Routes 4
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2012-02-01

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Use ASN data for AS57750 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
91.212.94.0/24 256
2a0f:af80:100::/40 ~309×10²⁴
45.149.66.0/24 256
45.149.67.0/24 256
45.149.66.0/23 512

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 'AS57370 - AS57973'

as-block:       AS57370 - AS57973
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS57750'

% Abuse contact for 'AS57750' is 'abuse@gtt.net'

aut-num:        AS57750
as-name:        NDS-UK
remarks:        Datum Datacentre
org:            ORG-NA320-RIPE
import:         from AS5462 accept ANY
export:         to AS5462 announce AS57750
import:         from AS8928 accept ANY
export:         to AS8928 announce AS57750
admin-c:        GB9604-RIPE
tech-c:         GB9604-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NDS-UK-MNT
created:        2012-02-01T08:47:35Z
last-modified:  2022-08-18T17:39:02Z
source:         RIPE
sponsoring-org: ORG-EA49-RIPE

organisation:   ORG-NA320-RIPE
org-name:       Synamedia Limited
country:        GB
org-type:       OTHER
address:        1 London Road
address:        Staines
address:        Middlesex
address:        TW18 4EX
abuse-c:        AR29272-RIPE
mnt-ref:        NDS-UK-MNT
mnt-by:         EASYNET-UK-MNT
mnt-by:         NDS-UK-MNT
created:        2009-03-12T14:12:03Z
last-modified:  2022-12-01T16:38:43Z
source:         RIPE # Filtered

person:         Gareth Batley
org:            ORG-SVEB1-RIPE
org:            ORG-NA320-RIPE
address:        Synamedia
address:        1 London Road
address:        Staines
address:        Middlesex
address:        TW18 4EX
phone:          +44 788 1918365
mnt-by:         NDS-UK-MNT
nic-hdl:        GB9604-RIPE
created:        2009-01-26T14:35:24Z
last-modified:  2023-08-09T17:45:11Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.1 (SHETLAND)

Parsed Whois Response

Peers

AS Number Description Country
AS8928 GTT Communications Inc. US
AS286 GTT Communications Inc. NL
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS5462 Virgin Media Limited GB

Upstreams

AS Number Description Country
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US

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Frequently Asked Questions

ASN AS57750 is an Autonomous System Number used to identify a network for BGP internet routing.
AS57750 is listed under Synamedia Limited.
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.