ASN Lookup Tool

CustodianDC Limited custodiandc.com GB GB 49 Routes

AS Data

AS50300

AS50300 – CustodianDC Limited

AS Number 50300
AS Name CUSTDC
Organization CustodianDC Limited(org-cl129-ripe)
Country GB
Website custodiandc.com
Number of IPv4 Routes 41
Number of IPv6 Routes 8
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2009-12-16

ASN Intelligence API for production workflows

Use ASN data for AS50300 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 # IPs
2a00:1c10:10::/44 ~19×10²⁴
185.48.167.0/24 256
109.74.243.0/24 256
109.74.248.0/24 256
2a00:1c10:40::/44 ~19×10²⁴
176.12.108.0/24 256
5.102.172.0/24 256
109.74.255.0/24 256
5.102.174.0/24 256
109.74.252.0/24 256

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 '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 'AS50300'

% Abuse contact for 'AS50300' is 'abuse@CustodianDC.com'

aut-num:        AS50300
as-name:        CUSTDC
org:            ORG-CL129-RIPE
remarks:        =========================================================
remarks:        | IPv4 Transit Peerings |
remarks:        =========================================================
import:         from AS174 action pref=100; accept ANY
export:         to AS174 announce AS-CUSTDC
import:         from AS2914 action pref=100; accept ANY
export:         to AS2914 announce AS-CUSTDC
import:         from AS3223 action pref=10; accept ANY
export:         to AS3223 announce AS-CUSTDC
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-CUSTDC
import:         from AS5580 action pref=100; accept ANY
export:         to AS5580 announce AS-CUSTDC
import:         from AS6939 action pref=100; accept ANY
export:         to AS6939 announce AS-CUSTDC
import:         from AS31463 action pref=10; accept ANY
export:         to AS31463 announce ANY
import:         from AS215162 action pref=10; accept ANY
export:         to AS215162 announce ANY
remarks:        =========================================================
remarks:        | IPv6 Transit Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS174 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS174 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS2914 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS2914 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3223 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS3223 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3356 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS3356 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS5580 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS5580 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS6939 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS6939 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS31463 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS31463 announce ANY;
mp-import:      afi ipv6.unicast from AS215162 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS215162 announce ANY;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LINX |
remarks:        =========================================================
export:         to AS-ANY at 195.66.224.139 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7F8:4::C47C:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via AMS-IX |
remarks:        =========================================================
export:         to AS-ANY at 80.249.211.14 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:1::a505:300:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LonAP |
remarks:        =========================================================
export:         to AS-ANY at 5.57.80.96 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:17::c47c:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Customer IPv4 Peerings |
remarks:        =========================================================
import:         from AS42044 action pref=300; accept AS42044
export:         to AS42044 announce ANY
import:         from AS43408 action pref=300; accept AS43408
export:         to AS43408 announce ANY
import:         from AS48101 action pref=300; accept AS48101
export:         to AS48101 announce ANY
import:         from AS51926 action pref=300; accept AS51926
export:         to AS51926 announce ANY
import:         from AS60890 action pref=300; accept AS60890
export:         to AS60890 announce ANY
import:         from AS62217 action pref=300; accept AS62217
export:         to AS62217 announce ANY
import:         from AS199330 action pref=300; accept AS199330
export:         to AS199330 announce ANY
import:         from AS201303 action pref=300; accept AS201303
export:         to AS201303 announce ANY
import:         from AS201304 action pref=300; accept AS201304
export:         to AS201304 announce ANY
import:         from AS206925 action pref=300; accept AS206925
export:         to AS206925 announce ANY
remarks:        =========================================================
remarks:        | Customer IPv6 Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS42044 action pref=300; accept AS42044;
mp-export:      afi ipv6.unicast to AS42044 announce ANY;
mp-import:      afi ipv6.unicast from AS43408 action pref=300; accept AS43408;
mp-export:      afi ipv6.unicast to AS43408 announce ANY;
mp-import:      afi ipv6.unicast from AS199330 action pref=300; accept AS199330;
mp-export:      afi ipv6.unicast to AS199330 announce ANY;
mp-import:      afi ipv6.unicast from AS60890 action pref=300; accept AS60890;
mp-export:      afi ipv6.unicast to AS60890 announce ANY;
mp-import:      afi ipv6.unicast from AS62217 action pref=300; accept AS62217;
mp-export:      afi ipv6.unicast to AS62217 announce ANY;
mp-import:      afi ipv6.unicast from AS201303 action pref=300; accept AS201303;
mp-export:      afi ipv6.unicast to AS201303 announce ANY;
mp-import:      afi ipv6.unicast from AS201304 action pref=300; accept AS201304;
mp-export:      afi ipv6.unicast to AS201304 announce ANY;
remarks:        =========================================================
remarks:        | General Contact Information |
remarks:        =========================================================
remarks:        for ABUSE reports abuse@CustodianDC.com
remarks:        for DNS requests dns@CustodianDC.com
remarks:        for TECHNICAL requests support@CustodianDC.com
remarks:        for PEERING requests peering@CustodianDC.com
remarks:        =========================================================
remarks:        | (e-mails not sent to these contacts will be ignored!) |
remarks:        =========================================================
admin-c:        CN2008-RIPE
tech-c:         CN2008-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-12-16T10:53:17Z
last-modified:  2025-09-01T15:59:30Z
source:         RIPE

organisation:   ORG-CL129-RIPE
org-name:       CustodianDC Limited
country:        GB
org-type:       LIR
address:        Vinters Business Park, New Cut Road
address:        ME14 5NZ
address:        Maidstone
address:        UNITED KINGDOM
phone:          +441622230382
fax-no:         +441622684411
admin-c:        JC12575-RIPE
admin-c:        MH7372-RIPE
admin-c:        RW2316-RIPE
admin-c:        CN2008-RIPE
abuse-c:        CN2008-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CUSTODIAN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-11-05T15:54:29Z
last-modified:  2025-09-01T16:13:25Z
source:         RIPE # Filtered

role:           Custodian NOC
org:            ORG-CL129-RIPE
address:        Custodian DataCentre Ltd.
address:        Maidstone TV Studios
address:        ME14 5NZ Maidstone
address:        UNITED KINGDOM
abuse-mailbox:  abuse@CustodianDC.com
nic-hdl:        CN2008-RIPE
admin-c:        JC12575-RIPE
admin-c:        MH7372-RIPE
admin-c:        RW2316-RIPE
tech-c:         JC12575-RIPE
tech-c:         MH7372-RIPE
tech-c:         RW2316-RIPE
remarks:        --------------------------------------------------
remarks:        Contact Addresses By Category:
remarks:        --------------------------------------------------
remarks:        Peering: peering@CustodianDC.com
remarks:        DNS: dns@CustodianDC.com
remarks:        Abuse: abuse@CustodianDC.com
remarks:        General Support: support@CustodianDC.com
remarks:        --------------------------------------------------
created:        2010-10-28T10:41:52Z
last-modified:  2025-09-01T16:13:04Z
source:         RIPE # Filtered
mnt-by:         MNT-CUSTODIAN

% This query was served by the RIPE Database Query Service version 1.121 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS199939 KeenSystems B.V. NL
AS216096 Alex Terrats Ciberseguretat SLU AD
AS28792 Public Internet Ltd GB
AS50533 I.T.E.N.O.S. International Telecom Network Operation Services GmbH DE
AS37273 Bandwidth and Cloud Services Group Ltd UG
AS50340 JSC Selectel RU
AS50072 Talpa TV B.V. NL
AS39521 TNGNET B.V. NL
AS38880 Micron21 Datacentre Pty Ltd AU
AS48825 Fast4networks Ltd GB

Upstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS8708 DIGI ROMANIA S.A. RO
AS7195 EDGEUNO S.A.S CO
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS4230 CLARO S.A. BR
AS37468 Angola Cables AO
AS20764 CJSC RASCOM RU
AS15802 Emirates Integrated Telecommunications Company PJSC AE

Downstreams

AS Number Description Country
AS48407 TigrisNet IQ
AS43408 Orange Cyberdefense UK Limited GB
AS31463 Redcentric Solutions Ltd GB
AS51926 PageOne Communications Ltd GB
AS39103 Moat Homes Limited GB

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS50300 is an Autonomous System Number used to identify a network for BGP internet routing.
AS50300 is listed under CustodianDC Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.