ASN AS50746 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS50746?

AS50746 is listed under Britannic Technologies Ltd.

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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AS50746 Britannic Technologies Ltd

ASN Lookup Tool

Britannic Technologies Ltd btlnet.co.uk

GB 3 Routes

AS Data

AS50746

AS50746 – Britannic Technologies Ltd

AS Number	50746
AS Name	BTL
Organization	Britannic Technologies Ltd (org-btl14-ripe)
Country	GB
Website	btlnet.co.uk
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-03-18

ASN Intelligence API for production workflows

Use ASN data for AS50746 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.105.74.0/23	AS50746	Britannic Technologies Ltd	Britannic Technologies Ltd	512
89.150.16.0/20	AS50746	Britannic Technologies Ltd	Britannic Technologies Ltd	4096
185.105.72.0/23	AS50746	Britannic Technologies Ltd	Britannic Technologies Ltd	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 '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 'AS50746'

% Abuse contact for 'AS50746' is 'network-abuse@btlnet.co.uk'

aut-num:        AS50746
as-name:        BTL
org:            ORG-BTL14-RIPE
import:         from AS174 accept ANY
import:         from AS6908 accept ANY
import:         from AS6461 accept ANY
export:         to AS174 announce AS50746
export:         to AS6908 announce AS50746
export:         to AS6461 announce AS50746
admin-c:        BTL101-RIPE
tech-c:         NW2688-RIPE
tech-c:         AN33813-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         btlnoc-mnt
created:        2010-03-18T11:35:05Z
last-modified:  2025-03-27T11:07:48Z
source:         RIPE # Filtered

organisation:   ORG-BTL14-RIPE
org-name:       Britannic Technologies Ltd
country:        GB
org-type:       LIR
address:        Britannic House, Merrow Business Park
address:        Guildford
address:        GU4 7WA
address:        UNITED KINGDOM
phone:          +441483242584
fax-no:         +448450501001
abuse-c:        AR17537-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        btlnoc-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         btlnoc-mnt
admin-c:        AN33813-RIPE
admin-c:        BTL101-RIPE
tech-c:         NW2688-RIPE
created:        2009-10-30T11:07:44Z
last-modified:  2025-03-27T11:10:54Z
source:         RIPE # Filtered

role:           Britannic Technologies Tech Role
address:        Britannic House, Merrow Business Park, Guildford, GU4 7WA
admin-c:        ROB187-RIPE
tech-c:         ROB187-RIPE
nic-hdl:        BTL101-RIPE
mnt-by:         britannic-mnt
created:        2011-12-07T11:59:18Z
last-modified:  2018-10-23T17:27:20Z
source:         RIPE # Filtered

person:         Andrew Nash
address:        Britannic House, Merrow Business Park, Guildford GU4 7WA
phone:          +441483242528
nic-hdl:        AN33813-RIPE
mnt-by:         anash-mnt
created:        2025-03-14T15:24:02Z
last-modified:  2025-03-14T15:24:02Z
source:         RIPE

person:         Natalie Way
address:        Britannic House, Merrow Business Park, Guildford GU4 7WA
phone:          +441483242500
nic-hdl:        NW2688-RIPE
mnt-by:         nway-mnt
created:        2025-03-14T15:13:46Z
last-modified:  2025-03-14T15:13:46Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

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" : "AS50746",
    "as_name" : "BTL",
    "status" : "ASSIGNED",
    "import" : [ "from AS174 accept ANY", "from AS6908 accept ANY", "from AS6461 accept ANY" ],
    "export" : [ "to AS174 announce AS50746", "to AS6908 announce AS50746", "to AS6461 announce AS50746" ],
    "organization" : "ORG-BTL14-RIPE",
    "admin_contacts" : [ "BTL101-RIPE" ],
    "tech_contacts" : [ "NW2688-RIPE", "AN33813-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "btlnoc-mnt" ],
    "date_created" : "2010-03-18",
    "date_updated" : "2025-03-27",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-BTL14-RIPE",
    "name" : "Britannic Technologies Ltd",
    "type" : "LIR",
    "address" : [ "Britannic House, Merrow Business Park", "Guildford", "GU4 7WA", "UNITED KINGDOM" ],
    "city" : "Guildford",
    "zip_code" : "GU4 7WA",
    "country" : [ "GB" ],
    "phone" : [ "+441483242584" ],
    "fax_no" : [ "+448450501001" ],
    "admin_contacts" : [ "AN33813-RIPE", "BTL101-RIPE" ],
    "tech_contacts" : [ "NW2688-RIPE" ],
    "abuse_contacts" : [ "AR17537-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "btlnoc-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "btlnoc-mnt" ],
    "date_created" : "2009-10-30",
    "date_updated" : "2025-03-27",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "BTL101-RIPE",
    "name" : "Britannic Technologies Tech Role",
    "address" : [ "Britannic House, Merrow Business Park, Guildford, GU4 7WA" ],
    "city" : "Guildford",
    "zip_code" : "GU4 7WA",
    "admin_contacts" : [ "ROB187-RIPE" ],
    "tech_contacts" : [ "ROB187-RIPE" ],
    "mnt_by" : [ "britannic-mnt" ],
    "date_created" : "2011-12-07",
    "date_updated" : "2018-10-23",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "NW2688-RIPE",
    "name" : "Natalie Way",
    "address" : [ "Britannic House, Merrow Business Park, Guildford GU4 7WA" ],
    "city" : "Guildford",
    "zip_code" : "GU4 7WA",
    "phone" : [ "+441483242500" ],
    "mnt_by" : [ "nway-mnt" ],
    "date_created" : "2025-03-14",
    "date_updated" : "2025-03-14",
    "source" : "RIPE"
  }, {
    "handle" : "AN33813-RIPE",
    "name" : "Andrew Nash",
    "address" : [ "Britannic House, Merrow Business Park, Guildford GU4 7WA" ],
    "city" : "Guildford",
    "zip_code" : "GU4 7WA",
    "phone" : [ "+441483242528" ],
    "mnt_by" : [ "anash-mnt" ],
    "date_created" : "2025-03-14",
    "date_updated" : "2025-03-14",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS6908	Six Degrees Technology Group Limited	GB

Upstreams

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US