XTDef Limited
AS203997 is XTDef Limited (xtdef.com). It announces 1,536 IPv4 addresses in 6 prefixes, and 2 IPv6 prefixes.
Hong Kong· RIPE· allocated 2025-11-05· 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.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- xtdef
- name
- XTDef Limited
- org
- ORG-XL122-RIPE
- org name
- XTDef Limited
- org address
- Room 1405, 135 Bonham Strand Trade Centre, 135 Bonham Strand, 000, Sheung Wan, HONG KONG
- org country
- HK
- country
- HK
- source
- ripe
- status
- ASSIGNED
- created
- 2025-11-05
- updated
- 2026-06-13
- maintainer
- RIPE-NCC-END-MNT|XTD-RIPE-MNT
- abuse name
- Abuse-C Role
- abuse email
- abuse@xtdef.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
- 0.07%
- 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 |
|---|---|---|---|---|
| 81.18.60.0/24 | Austria | valid | 17 | 2026-10-02 |
| 89.23.94.0/24 | Serbia | valid | 17 | 2026-10-02 |
| 151.244.252.0/24 | Slovenia | valid | 17 | 2026-10-02 |
| 164.138.4.0/24 | Finland | valid | 17 | 2026-10-02 |
| 179.61.243.0/24 | France | valid | 17 | 2026-10-02 |
| 191.44.74.0/24 | Slovenia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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