AS37889
J-parc Center — j-parc.jp
Summary
| Country |
 Japan
|
| Organization | J-parc Center |
| Domain | j-parc.jp |
| Number of IPv4 | 1,792 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | May 11, 2006 (about 19 years ago) |
IP Ranges
AS37889 announces 3 IPv4 ranges and 0 IPv6 range.
That's a total of 1,792 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 192.153.105.0/24 |
National Laboratory for High Energy Physics (kek)
|
256 | JPNIC | |
| 192.153.106.0/23 |
National Laboratory for High Energy Physics (kek)
|
512 | JPNIC | |
| 192.153.108.0/22 |
National Laboratory for High Energy Physics (kek)
|
1,024 | JPNIC |
Peers
AS37889 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
AS37889 connects to the global Internet via at least 1 upstream provider. In this setup, AS37889 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS37889 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.