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AS57850 Northumbrian Water Ltd

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Northumbrian Water Ltd nwl.co.uk

GB 1 Routes

AS Data

AS57850

AS57850 – Northumbrian Water Ltd

AS Number	57850
AS Name	NWL-AS
Organization	Northumbrian Water Ltd (org-nwl3-ripe)
Country	GB
Website	nwl.co.uk
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2012-02-22

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.209.60.0/24	AS57850	Northumbrian Water Ltd	Northumbrian Water Ltd	256

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 'AS57850'

% Abuse contact for 'AS57850' is 'abuse@nwl.co.uk'

aut-num:        AS57850
as-name:        NWL-AS
org:            ORG-NWL3-RIPE
import:         from AS2856 accept ANY
import:         from AS5089 accept ANY
export:         to AS2856 announce AS57850
export:         to AS5089 announce AS57850
admin-c:        BW1827-RIPE
tech-c:         BW1827-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS57850-MNT
mnt-by:         AS5089-MNT
created:        2012-02-22T15:21:18Z
last-modified:  2020-08-13T09:32:41Z
source:         RIPE # Filtered
sponsoring-org: ORG-NI9-RIPE

organisation:   ORG-NWL3-RIPE
org-name:       Northumbrian Water Ltd
country:        GB
org-type:       OTHER
address:        Northumbria House
address:        Abbey Road
address:        Pity Me
address:        Durham
address:        DH1 5FJ
abuse-c:        NAH23-RIPE
mnt-ref:        AS5089-MNT
mnt-by:         AS5089-MNT
mnt-by:         AS57850-MNT
created:        2012-02-17T09:26:27Z
last-modified:  2022-12-01T16:40:17Z
source:         RIPE # Filtered

person:         Ben Watson
address:        Northumbria House
address:        Abbey Road
address:        Pity Me
address:        Durham
address:        DH1 5FJ
phone:          +44 (0)191 3016949
nic-hdl:        BW1827-RIPE
mnt-by:         AS5089-MNT
created:        2012-02-17T09:28:24Z
last-modified:  2012-02-17T09:28:24Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS57370 - AS57973",
    "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" : "2025-04-24",
    "date_updated" : "2025-04-24",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS57850",
    "as_name" : "NWL-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS2856 accept ANY", "from AS5089 accept ANY" ],
    "export" : [ "to AS2856 announce AS57850", "to AS5089 announce AS57850" ],
    "organization" : "ORG-NWL3-RIPE",
    "sponsoring_organization" : "ORG-NI9-RIPE",
    "admin_contacts" : [ "BW1827-RIPE" ],
    "tech_contacts" : [ "BW1827-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "AS57850-MNT", "AS5089-MNT" ],
    "date_created" : "2012-02-22",
    "date_updated" : "2020-08-13",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NWL3-RIPE",
    "name" : "Northumbrian Water Ltd",
    "type" : "OTHER",
    "address" : [ "Northumbria House", "Abbey Road", "Pity Me", "Durham", "DH1 5FJ" ],
    "street" : "Abbey Road",
    "city" : "Pity Me",
    "district" : "Durham",
    "zip_code" : "DH1 5FJ",
    "country" : [ "GB" ],
    "abuse_contacts" : [ "NAH23-RIPE" ],
    "mnt_ref" : [ "AS5089-MNT" ],
    "mnt_by" : [ "AS5089-MNT", "AS57850-MNT" ],
    "date_created" : "2012-02-17",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "BW1827-RIPE",
    "name" : "Ben Watson",
    "address" : [ "Northumbria House", "Abbey Road", "Pity Me", "Durham", "DH1 5FJ" ],
    "street" : "Abbey Road",
    "city" : "Pity Me",
    "district" : "Durham",
    "zip_code" : "DH1 5FJ",
    "phone" : [ "+44 (0)191 3016949" ],
    "mnt_by" : [ "AS5089-MNT" ],
    "date_created" : "2012-02-17",
    "date_updated" : "2012-02-17",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "BW1827-RIPE",
    "name" : "Ben Watson",
    "address" : [ "Northumbria House", "Abbey Road", "Pity Me", "Durham", "DH1 5FJ" ],
    "street" : "Abbey Road",
    "city" : "Pity Me",
    "district" : "Durham",
    "zip_code" : "DH1 5FJ",
    "phone" : [ "+44 (0)191 3016949" ],
    "mnt_by" : [ "AS5089-MNT" ],
    "date_created" : "2012-02-17",
    "date_updated" : "2012-02-17",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS2856	British Telecommunications PLC	GB
AS35228	Telefonica UK Limited	GB
AS5089	Virgin Media Limited	GB

Upstreams

AS Number	Description	Country
AS35228	Telefonica UK Limited	GB

Frequently Asked Questions

What is ASN AS57850?

ASN AS57850 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS57850?

AS57850 is listed under Northumbrian Water Ltd.

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.