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AS201358 FNZ UK Ltd | IPGeolocation.io

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

FNZ UK Ltd fnz.com

GB 3 Routes

AS Data

AS201358

AS201358 – FNZ UK Ltd

AS Number	201358
AS Name	FNZ-UK
Organization	FNZ UK Ltd (org-fl122-ripe)
Country	GB
Website	fnz.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2014-11-14

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Use ASN data for AS201358 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.65.128.0/23	AS201358	FNZ UK Ltd	FNZ UK Ltd	512
185.65.130.0/23	AS201358	FNZ UK Ltd	FNZ UK Ltd	512
185.65.128.0/22	AS201358	FNZ UK Ltd	FNZ UK Ltd	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 'AS200537 - AS202347'

as-block:       AS200537 - AS202347
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:        2026-06-17T08:25:01Z
last-modified:  2026-06-17T08:25:01Z
source:         RIPE

% Information related to 'AS201358'

% Abuse contact for 'AS201358' is 'abuse@fnz.com'

aut-num:        AS201358
as-name:        FNZ-UK
org:            ORG-FL122-RIPE
import:         from AS5089 accept ANY
export:         to AS5089 announce AS201358
import:         from AS3356 accept ANY
export:         to AS3356 announce AS201358
admin-c:        RA12788-RIPE
tech-c:         NO2868-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FNZ-MNT
created:        2014-11-14T09:36:57Z
last-modified:  2026-09-02T07:49:26Z
source:         RIPE

organisation:   ORG-FL122-RIPE
org-name:       FNZ (UK) Ltd
country:        GB
reg-nr:         05435760
org-type:       LIR
address:        10th Floor 135 Bishopsgate
address:        EC2M 3TP
address:        London
address:        UNITED KINGDOM
phone:          +441315241900
abuse-c:        RA12789-RIPE
mnt-ref:        FNZ-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         FNZ-MNT
created:        2014-07-07T13:15:46Z
last-modified:  2026-09-02T07:51:52Z
source:         RIPE # Filtered
admin-c:        RA12788-RIPE

role:           Network Operations
nic-hdl:        NO2868-RIPE
created:        2026-09-01T17:37:11Z
last-modified:  2026-09-01T17:37:11Z
source:         RIPE # Filtered
mnt-by:         FNZ-MNT

role:           Ripe Admin
nic-hdl:        RA12788-RIPE
created:        2026-09-01T17:38:04Z
last-modified:  2026-09-01T17:38:04Z
source:         RIPE # Filtered
mnt-by:         FNZ-MNT

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS200537 - AS202347",
    "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" : "2026-06-17",
    "date_updated" : "2026-06-17",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS201358",
    "as_name" : "FNZ-UK",
    "status" : "ASSIGNED",
    "import" : [ "from AS5089 accept ANY", "from AS3356 accept ANY" ],
    "export" : [ "to AS5089 announce AS201358", "to AS3356 announce AS201358" ],
    "organization" : "ORG-FL122-RIPE",
    "admin_contacts" : [ "RA12788-RIPE" ],
    "tech_contacts" : [ "NO2868-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "FNZ-MNT" ],
    "date_created" : "2014-11-14",
    "date_updated" : "2026-09-02",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-FL122-RIPE",
    "name" : "FNZ (UK) Ltd",
    "type" : "LIR",
    "address" : [ "10th Floor 135 Bishopsgate", "EC2M 3TP", "London", "UNITED KINGDOM" ],
    "street" : "Bishopsgate",
    "city" : "London",
    "zip_code" : "EC2M 3TP",
    "country" : [ "GB" ],
    "phone" : [ "+441315241900" ],
    "admin_contacts" : [ "RA12788-RIPE" ],
    "abuse_contacts" : [ "RA12789-RIPE" ],
    "mnt_ref" : [ "FNZ-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "FNZ-MNT" ],
    "date_created" : "2014-07-07",
    "date_updated" : "2026-09-02",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "RA12788-RIPE",
    "name" : "Ripe Admin",
    "mnt_by" : [ "FNZ-MNT" ],
    "date_created" : "2026-09-01",
    "date_updated" : "2026-09-01",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "NO2868-RIPE",
    "name" : "Network Operations",
    "mnt_by" : [ "FNZ-MNT" ],
    "date_created" : "2026-09-01",
    "date_updated" : "2026-09-01",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS5089	Virgin Media Limited	GB

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Frequently Asked Questions

What is ASN AS201358?

ASN AS201358 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS201358?

AS201358 is listed under FNZ UK 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.