ASN AS48628 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS48628?

AS48628 is listed under CoreISP Group 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.

AS48628 CoreISP Group Limited

ASN Lookup Tool

CoreISP Group Limited coreisp.co.uk

GB 5 Routes

AS Data

AS48628

AS48628 – CoreISP Group Limited

AS Number	48628
AS Name	CoreISP
Organization	CoreISP Group Limited (org-cl728-ripe)
Country	GB
Website	coreisp.co.uk
Number of IPv4 Routes	3
Number of IPv6 Routes	2
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2023-03-24

ASN Intelligence API for production workflows

Use ASN data for AS48628 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a13:d980::/29	AS48628	CoreISP Group Limited	CoreISP Group Limited	~634×10²⁷
2001:67c:2450::/48	AS48628	CoreISP Group Limited	CoreISP Group Limited	~1×10²⁴
91.238.192.0/24	AS48628	CoreISP Group Limited	CoreISP Group Limited	256
37.0.8.0/24	AS48628	CoreISP Group Limited	CoreISP Group Limited	256
185.161.110.0/24	AS48628	CoreISP Group Limited	CoreISP Group Limited	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 'AS47870 - AS49384'

as-block:       AS47870 - AS49384
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:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE

% Information related to 'AS48628'

% Abuse contact for 'AS48628' is 'abuse@coreisp.co.uk'

aut-num:        AS48628
as-name:        CoreISP
org:            ORG-CL728-RIPE
import:         from AS8282 accept ANY
export:         to AS8282 announce AS48628
import:         from AS174 accept ANY
export:         to AS174 announce AS48628
admin-c:        NA8098-RIPE
tech-c:         NA8098-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-uk-coreisp-1-MNT
created:        2023-03-24T14:26:03Z
last-modified:  2023-03-24T14:26:03Z
source:         RIPE

organisation:   ORG-CL728-RIPE
org-name:       CoreISP Group Limited
country:        GB
org-type:       LIR
address:        9 Stanley Street
address:        NE24 2BS
address:        Blyth
address:        UNITED KINGDOM
phone:          +441202367317
phone:          +443307881234
admin-c:        NA8098-RIPE
tech-c:         NA8098-RIPE
abuse-c:        AR70076-RIPE
mnt-ref:        lir-uk-coreisp-1-MNT
mnt-ref:        uk-binkbb-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-uk-coreisp-1-MNT
created:        2023-03-23T12:37:01Z
last-modified:  2026-03-13T10:17:28Z
source:         RIPE # Filtered

role:           Network Operation Centre
address:        UNITED KINGDOM
address:        Blyth
address:        NE24 2BS
address:        7-9 Stanley Street
phone:          +441202367317
nic-hdl:        NA8098-RIPE
mnt-by:         lir-uk-coreisp-1-MNT
created:        2023-03-23T12:36:59Z
last-modified:  2025-05-30T10:26:26Z
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" : "AS47870 - AS49384",
    "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" : "2025-07-09",
    "date_updated" : "2025-07-09",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS48628",
    "as_name" : "CoreISP",
    "status" : "ASSIGNED",
    "import" : [ "from AS8282 accept ANY", "from AS174 accept ANY" ],
    "export" : [ "to AS8282 announce AS48628", "to AS174 announce AS48628" ],
    "organization" : "ORG-CL728-RIPE",
    "admin_contacts" : [ "NA8098-RIPE" ],
    "tech_contacts" : [ "NA8098-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-uk-coreisp-1-MNT" ],
    "date_created" : "2023-03-24",
    "date_updated" : "2023-03-24",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CL728-RIPE",
    "name" : "CoreISP Group Limited",
    "type" : "LIR",
    "address" : [ "9 Stanley Street", "NE24 2BS", "Blyth", "UNITED KINGDOM" ],
    "street" : "Stanley Street",
    "city" : "Blyth",
    "zip_code" : "NE24 2BS",
    "country" : [ "GB" ],
    "phone" : [ "+441202367317", "+443307881234" ],
    "admin_contacts" : [ "NA8098-RIPE" ],
    "tech_contacts" : [ "NA8098-RIPE" ],
    "abuse_contacts" : [ "AR70076-RIPE" ],
    "mnt_ref" : [ "lir-uk-coreisp-1-MNT", "uk-binkbb-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-uk-coreisp-1-MNT" ],
    "date_created" : "2023-03-23",
    "date_updated" : "2026-03-13",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  },
  "administrative_contacts" : [ {
    "handle" : "NA8098-RIPE",
    "name" : "Network Operation Centre",
    "address" : [ "UNITED KINGDOM", "Blyth", "NE24 2BS", "7-9 Stanley Street" ],
    "street" : "Stanley Street",
    "city" : "Blyth",
    "zip_code" : "NE24 2BS",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+441202367317" ],
    "mnt_by" : [ "lir-uk-coreisp-1-MNT" ],
    "date_created" : "2023-03-23",
    "date_updated" : "2025-05-30",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ],
  "technical_contacts" : [ {
    "handle" : "NA8098-RIPE",
    "name" : "Network Operation Centre",
    "address" : [ "UNITED KINGDOM", "Blyth", "NE24 2BS", "7-9 Stanley Street" ],
    "street" : "Stanley Street",
    "city" : "Blyth",
    "zip_code" : "NE24 2BS",
    "country" : "UNITED KINGDOM",
    "phone" : [ "+441202367317" ],
    "mnt_by" : [ "lir-uk-coreisp-1-MNT" ],
    "date_created" : "2023-03-23",
    "date_updated" : "2025-05-30",
    "source" : "RIPE",
    "addressCountry" : "UNITED KINGDOM"
  } ]
}

Peers

AS Number	Description	Country
AS8282	Bink Group Ltd	GB
AS3170	VeloxServ Communications Ltd	GB
AS61049	Exascale Ltd	GB
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS8282	Bink Group Ltd	GB
AS3170	VeloxServ Communications Ltd	GB
AS61049	Exascale Ltd	GB