CustodianDC Limited
AS50300 is CustodianDC Limited (custodiandc.com). It announces 10,752 IPv4 addresses in 39 prefixes, and 7 IPv6 prefixes.
United Kingdom· RIPE· allocated 2009-12-16· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United Kingdom10,496 · 97.62%
- Greece256 · 2.38%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CUSTDC
- name
- CustodianDC Limited
- org
- ORG-CL129-RIPE
- org name
- CustodianDC Limited
- org address
- Unit 11 Newtons Court, Crossways Business Park, DA2 6QL, Dartford, UNITED KINGDOM
- org country
- GB
- country
- GB
- source
- ripe
- status
- ASSIGNED
- created
- 2009-12-16
- updated
- 2026-03-20
- remarks
- | IPv4 Transit Peerings | / | IPv6 Transit Peerings | / | Exchange Point Peerings via LINX | / | Exchange Point Peerings via AMS-IX | / | Exchange Point Peerings via LonAP | / | Customer IPv4 Peerings | / | Customer IPv6 Peerings | / | General Contact Information | / for ABUSE reports abuse@CustodianDC.com / for DNS requests dns@CustodianDC.com / for TECHNICAL requests support@CustodianDC.com / for PEERING requests peering@CustodianDC.com / | (e-mails not sent to these contacts will be ignored!) |
- maintainer
- RIPE-NCC-END-MNT|MNT-CUSTODIAN
- abuse name
- Custodian NOC
- abuse email
- abuse@CustodianDC.com
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP224watchguard, draytek2.08%
- floppydata0.01%
- None here
- None here
- None here
- None here
- Hosting IP4,86445.24%
- None here
- None here
- None here
- SSH IP1561.45%
- SMTP IP550.51%
- 0.59%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a00:1c10::/44 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:10::/44 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:30::/44 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:100::/40 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:cd0::/44 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:da2::/48 | United Kingdom | valid | 20 | 2026-10-02 |
| 2a00:1c10:fff0::/44 | United Kingdom | valid | 20 | 2026-10-02 |
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