AS38254
Pang-wei Tsai — itlab.cc
Summary
| Country |
 Taiwan
|
| Organization | Pang-wei Tsai |
| Domain | itlab.cc |
| Number of IPv4 | 768 |
| Number of IPv6 | 5.2649× 1027 |
| AS Type | Education |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | March 14, 2025 (about 1 months ago) |
IP Ranges
AS38254 announces 3 IPv4 ranges and 5 IPv6 ranges.
That's a total of 768 IPv4 addresses and 5.2649× 1027 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.122.119.0/24 |
AY SHANG SHIANG MAU CO., LTD.
|
256 | APNIC | ALLOCATED PORTABLE |
| 103.129.145.0/24 |
Taiwan Intelligent Home Corp.
|
256 | APNIC | ALLOCATED PORTABLE |
| 103.167.250.0/24 |
Internet Technology Laboratory
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:df6:c480::/48 |
Pang-wei Tsai
|
1.2089× 1024 | APNIC | ASSIGNED PORTABLE |
| 2403:7f40:e000::/36 |
Taiwan Intelligent Home Corp.
|
4.9518× 1027 | APNIC | ALLOCATED PORTABLE |
| 2403:8ec0:1::/48 |
AY SHANG SHIANG MAU CO., LTD.
|
1.2089× 1024 | APNIC | ALLOCATED PORTABLE |
| 2404:c140:956e::/48 |
 Ipv6 Block Allocation for Eons Data Customer
|
1.2089× 1024 | APNIC | ALLOCATED NON-PORTABLE |
| 2407:9240:2600::/40 |
Internet Technology Laboratory
|
3.0949× 1026 | APNIC | ALLOCATED NON-PORTABLE |
Peers
AS38254 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
AS38254 connects to the global Internet via at least 4 upstream providers. In this setup, AS38254 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS38254 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS38254's role in extending Internet access beyond its own infrastructure.