AS9821
Advanced Science And Technology Institute — dost.gov.ph
Summary
| Country |
 Philippines
|
| Organization | Advanced Science And Technology Institute |
| Domain | dost.gov.ph |
| Number of IPv4 | 10,496 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Government |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | January 08, 2021 (about 4 years ago) |
IP Ranges
AS9821 announces 4 IPv4 ranges and 1 IPv6 range.
That's a total of 10,496 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.80.140.0/22 |
Advanced Science And Technology Institute
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 202.90.128.0/19 |
Advanced Science And Technology Institute
|
8,192 | APNIC | ALLOCATED PORTABLE |
| 202.90.135.0/24 |
Advanced Science And Technology Institute
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.211.56.0/22 |
Advanced Science And Technology Institute
|
1,024 | APNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:d18::/32 |
Advanced Science And Technology Institute
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
Peers
AS9821 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
AS9821 connects to the global Internet via at least 4 upstream providers. In this setup, AS9821 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS9821 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS9821's role in extending Internet access beyond its own infrastructure.