ASN AS20738 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20738?

AS20738 is listed under Heart Internet limited.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS20738 Heart Internet limited

ASN Lookup Tool

Heart Internet limited heartinternet.uk

GB 41 Routes

AS Data

AS20738

AS20738 – Heart Internet limited

AS Number	20738
AS Name	GD-EMEA-DC-LD5
Organization	Heart Internet limited (org-hil23-ripe)
Country	GB
Website	heartinternet.uk
Number of IPv4 Routes	38
Number of IPv6 Routes	3
ASN type	HOSTING
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2002-08-29

ASN Intelligence API for production workflows

Use ASN data for AS20738 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
62.138.48.0/20	AS20738	Heart Internet limited	Heart Internet limited	4096
2a01:e840:2::/48	AS20738	Heart Internet limited	Heart Internet limited	~1×10²⁴
92.60.127.0/24	AS20738	Heart Internet limited	Heart Internet	256
92.60.114.0/24	AS20738	Heart Internet limited	Heart Internet	256
46.32.224.0/24	AS20738	Heart Internet limited	Heart Internet	256
91.109.4.0/23	AS20738	Heart Internet limited	Heart Internet	512
212.67.214.0/24	AS20738	Heart Internet limited	Heart Internet	256
213.155.0.0/24	AS20738	Heart Internet limited	Heart Internet limited	256
213.155.1.0/24	AS20738	Heart Internet limited	Heart Internet limited	256
217.199.180.0/24	AS20738	Heart Internet limited	OCLC	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 'AS20485 - AS20857'

as-block:       AS20485 - AS20857
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20738'

% Abuse contact for 'AS20738' is 'abuse@heartinternet.uk'

aut-num:        AS20738
as-name:        GD-EMEA-DC-LD5
org:            ORG-HIL23-RIPE
admin-c:        HINO1-RIPE
tech-c:         TA9170-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-uk-heart-internet-1-MNT
created:        2002-08-29T09:45:39Z
last-modified:  2025-03-04T14:09:18Z
source:         RIPE

organisation:   ORG-HIL23-RIPE
org-name:       Heart Internet limited
country:        GB
org-type:       LIR
address:        Units 4 - 5 Tristram Centre, Brown Lane West
address:        LS12 6BF
address:        Leeds
address:        UNITED KINGDOM
phone:          +443300434096
admin-c:        TA9170-RIPE
admin-c:        RN5503-RIPE
tech-c:         TA9170-RIPE
abuse-c:        AR76764-RIPE
mnt-ref:        lir-uk-heart-internet-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-uk-heart-internet-1-MNT
created:        2024-09-06T07:00:28Z
last-modified:  2026-02-17T11:59:37Z
source:         RIPE # Filtered

role:           Heart Internet Network Operations Team
address:        Units 4 - 5 Tristram Centre, Brown Lane West
nic-hdl:        HINO1-RIPE
tech-c:         AW7648-RIPE
tech-c:         RN5503-RIPE
mnt-by:         HEARTINTERNET-NETOPS-MNT
created:        2024-10-03T10:14:52Z
last-modified:  2026-03-20T07:46:30Z
source:         RIPE # Filtered

role:           Technical
address:        UNITED KINGDOM
address:        Leeds
address:        LS12 6BF
address:        Units 4 - 5 Tristram Centre, Brown Lane West
phone:          +443300434096
nic-hdl:        TA9170-RIPE
mnt-by:         lir-uk-heart-internet-1-MNT
created:        2024-09-06T07:00:25Z
last-modified:  2024-09-06T07:00:27Z
source:         RIPE # Filtered

% 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" : "AS20485 - AS20857",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS20738",
    "as_name" : "GD-EMEA-DC-LD5",
    "status" : "ASSIGNED",
    "organization" : "ORG-HIL23-RIPE",
    "admin_contacts" : [ "HINO1-RIPE" ],
    "tech_contacts" : [ "TA9170-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-uk-heart-internet-1-MNT" ],
    "date_created" : "2002-08-29",
    "date_updated" : "2025-03-04",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-HIL23-RIPE",
    "name" : "Heart Internet limited",
    "type" : "LIR",
    "address" : [ "Units 4 - 5 Tristram Centre, Brown Lane West", "LS12 6BF", "Leeds", "UNITED KINGDOM" ],
    "street" : "Tristram Centre Brown Lane West",
    "city" : "Leeds",
    "zip_code" : "LS12 6BF",
    "country" : [ "GB" ],
    "phone" : [ "+443300434096" ],
    "admin_contacts" : [ "TA9170-RIPE", "RN5503-RIPE" ],
    "tech_contacts" : [ "TA9170-RIPE" ],
    "abuse_contacts" : [ "AR76764-RIPE" ],
    "mnt_ref" : [ "lir-uk-heart-internet-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-uk-heart-internet-1-MNT" ],
    "date_created" : "2024-09-06",
    "date_updated" : "2026-02-17",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "HINO1-RIPE",
    "name" : "Heart Internet Network Operations Team",
    "address" : [ "Units 4 - 5 Tristram Centre, Brown Lane West" ],
    "street" : "Tristram Centre Brown Lane West",
    "tech_contacts" : [ "AW7648-RIPE", "RN5503-RIPE" ],
    "mnt_by" : [ "HEARTINTERNET-NETOPS-MNT" ],
    "date_created" : "2024-10-03",
    "date_updated" : "2026-03-20",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "TA9170-RIPE",
    "name" : "Technical",
    "address" : [ "UNITED KINGDOM", "Leeds", "LS12 6BF", "Units 4 - 5 Tristram Centre, Brown Lane West" ],
    "street" : "Tristram Centre Brown Lane West",
    "zip_code" : "LEEDS LS12 6BF",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+443300434096" ],
    "mnt_by" : [ "lir-uk-heart-internet-1-MNT" ],
    "date_created" : "2024-09-06",
    "date_updated" : "2024-09-06",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ]
}

Peers

AS Number	Description	Country
AS214073	Heart Internet limited	GB

Upstreams

AS Number	Description	Country
AS214073	Heart Internet limited	GB