AS57697
Tier-4 LTD — tier4.kiev.ua
Summary
| Country |
 Ukraine
|
| Organization | Tier-4 LTD |
| Domain | tier4.kiev.ua |
| Number of IPv4 | 1,536 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | June 03, 2016 (about 9 years ago) |
| Updated | August 22, 2022 (about 2 years ago) |
IP Ranges
AS57697 announces 3 IPv4 ranges and 1 IPv6 range.
That's a total of 1,536 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 185.154.180.0/24 |
TIER4-DC1
|
256 | RIPE NCC | ASSIGNED PA |
| 185.154.180.0/22 |
TIER4-DC1
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.154.183.0/24 |
Tier4-DC2
|
256 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a0a:ad00::/29 |
Tier-4 LTD
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS57697 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
AS57697 connects to the global Internet via at least 2 upstream providers. In this setup, AS57697 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS57697 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS57697's role in extending Internet access beyond its own infrastructure.