JANUS HENDERSON ADMINISTRATION UK LIMITED
AS8444 is JANUS HENDERSON ADMINISTRATION UK LIMITED (janushenderson.com). It announces 2,048 IPv4 addresses in 8 prefixes, and 0 IPv6 prefixes.
United Kingdom· RIPE· allocated 2015-10-16· business
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 Kingdom768 · 37.50%
- United States768 · 37.50%
- Australia256 · 12.50%
- Singapore256 · 12.50%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- HENDERSON
- name
- JANUS HENDERSON ADMINISTRATION UK LIMITED
- org
- ORG-HAL4-RIPE
- org name
- JANUS HENDERSON ADMINISTRATION UK LIMITED
- org address
- 201 Bishopsgate, London, EC2M 3AE, London, UNITED KINGDOM
- org country
- GB
- country
- GB
- source
- ripe
- status
- ASSIGNED
- created
- 2015-10-16
- updated
- 2025-05-20
- maintainer
- RIPE-NCC-END-MNT|HENDERSON-MNT
- abuse name
- Abuse-C Role
- abuse email
- itnetworksupport@janushenderson.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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 144.2.128.0/24 | United Kingdom | valid | 17 | 2026-10-02 |
| 144.2.129.0/24 | United Kingdom | valid | 17 | 2026-10-02 |
| 144.2.130.0/24 | United States | valid | 17 | 2026-10-02 |
| 144.2.131.0/24 | United States | valid | 17 | 2026-10-02 |
| 144.2.136.0/24 | Australia | valid | 17 | 2026-10-02 |
| 144.2.140.0/24 | Singapore | valid | 17 | 2026-10-02 |
| 144.2.142.0/24 | United States | valid | 17 | 2026-10-02 |
| 144.2.143.0/24 | United Kingdom | valid | 17 | 2026-10-02 |
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