AS203997
Xtdef Limited — xtdef.com
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Summary
| Country |
 Hong Kong
|
| Organization | Xtdef Limited |
| Domain | xtdef.com |
| Number of IPv4 | 1,024 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Business |
| Registry | RIPE NCC |
| Allocated | November 05, 2025 (about 3 months ago) |
| Updated | December 14, 2025 (about 2 months ago) |
IP Ranges
AS203997 announces 4 IPv4 ranges and 1 IPv6 range.
That's a total of 1,024 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 81.18.60.0/24 |
Xtdef Limited
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 89.23.94.0/24 |
Xtdef Limited
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 151.244.252.0/24 |
Xtdef Limited
|
256 | RIPE NCC | ASSIGNED PA |
| 185.205.32.0/24 |
Xtdef Limited
|
256 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a10:e8c0::/32 |
 Xtdef Limited
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS203997 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS203997 connects to the global Internet via at least 2 upstream providers. In this setup, AS203997 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS203997 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.