AS151797
CTCSCI TECH LIMITED — ctcsci.com
Summary
| Country |
 Hong Kong
|
| Organization | CTCSCI TECH LIMITED |
| Domain | ctcsci.com |
| Number of IPv4 | 2,560 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Hosting |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | September 25, 2023 (about 1 year ago) |
IP Ranges
AS151797 announces 3 IPv4 ranges and 1 IPv6 range.
That's a total of 2,560 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.77.210.0/24 |
Ctcsci Tech Limited
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 103.77.211.0/24 |
Ctcsci Tech Limited
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 172.81.104.0/21 |
CTCSCI TECH LIMITED
|
2,048 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2401:3620::/32 |
CTCSCI TECH LIMITED
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
Peers
AS151797 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS151797 connects to the global Internet via at least 1 upstream provider. In this setup, AS151797 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS151797 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS151797's role in extending Internet access beyond its own infrastructure.