AS136237
Shanghai Shuangyu Communication Technology CO.,LTD. — syctnet.com
Summary
| Country |
 Hong Kong
|
| Organization | Shanghai Shuangyu Communication Technology CO.,LTD. |
| Domain | syctnet.com |
| Number of IPv4 | 512 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | June 26, 2021 (about 3 years ago) |
IP Ranges
AS136237 announces 2 IPv4 ranges and 1 IPv6 range.
That's a total of 512 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.84.136.0/24 |
Hong Kong Sy Technology CO.,LTD.
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 103.84.138.0/24 |
Hong Kong Sy Technology CO.,LTD.
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2400:a040::/32 |
 Shanghai Shuangyu Communication Technology CO.,LTD.
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
Peers
AS136237 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
AS136237 connects to the global Internet via at least 6 upstream providers. In this setup, AS136237 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS136237 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.