AS9991
Hiroshima Shudo University — shudo-u.ac.jp
Summary
| Country |
 Japan
|
| Organization | Hiroshima Shudo University |
| Domain | shudo-u.ac.jp |
| Number of IPv4 | 65,536 |
| Number of IPv6 | 1.2089× 1024 |
| AS Type | Education |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | May 28, 2005 (about 20 years ago) |
IP Ranges
AS9991 announces 1 IPv4 range and 1 IPv6 range.
That's a total of 65,536 IPv4 addresses and 1.2089× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 150.32.0.0/16 |
Japan Network Information Center
|
65,536 | APNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:df2:b340::/48 |
Hiroshima Shudo University
|
1.2089× 1024 | JPNIC |
Peers
AS9991 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
AS9991 connects to the global Internet via at least 2 upstream providers. In this setup, AS9991 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS9991 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.