AS210203
Retn Limited — retn.net
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Summary
| Country |
 United Kingdom
|
| Organization | Retn Limited |
| Domain | retn.net |
| Number of IPv4 | 512 |
| Number of IPv6 | 0 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | September 19, 2018 (about 7 years ago) |
| Updated | August 27, 2025 (about 2 months ago) |
IP Ranges
AS210203 announces 1 IPv4 range and 0 IPv6 range.
That's a total of 512 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 139.45.198.0/23 |
Retn Limited
|
512 | RIPE NCC | LEGACY |
Peers
AS210203 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
AS210203 connects to the global Internet via at least 3 upstream providers. In this setup, AS210203 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS210203 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS210203's role in extending Internet access beyond its own infrastructure.