AS18183
National Center for Research on Earthquake Engineering — narlabs.org.tw
Summary
| Country |
 Taiwan
|
| Organization | National Center for Research on Earthquake Engineering |
| Domain | narlabs.org.tw |
| Number of IPv4 | 7,936 |
| Number of IPv6 | 1.5877× 1029 |
| AS Type | Education |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | October 21, 2024 (about 5 months ago) |
IP Ranges
AS18183 announces 5 IPv4 ranges and 4 IPv6 ranges.
That's a total of 7,936 IPv4 addresses and 1.5877× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 61.56.0.0/20 |
Government Service Network (gsn)
|
4,096 | TWNIC | ASSIGNED NON-PORTABLE |
| 61.56.4.0/24 |
Government Service Network (gsn)
|
256 | TWNIC | ASSIGNED NON-PORTABLE |
| 61.56.8.0/21 |
Government Service Network (gsn)
|
2,048 | TWNIC | ASSIGNED NON-PORTABLE |
| 103.189.132.0/23 |
National Center for Research on Earthquake Engineering
|
512 | APNIC | ALLOCATED PORTABLE |
| 202.5.12.0/22 |
National Center for Research on Earthquake Engineering
|
1,024 | TWNIC | ASSIGNED NON-PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:4500::/32 |
National Applied Research Laboratories
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
| 2001:4500:1100::/41 |
National Applied Research Laboratories
|
1.5474× 1026 | APNIC | ALLOCATED PORTABLE |
| 2001:4500:1180::/41 |
National Applied Research Laboratories
|
1.5474× 1026 | APNIC | ALLOCATED PORTABLE |
| 2400:85a0::/32 |
National Center for Research on Earthquake Engineering
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
Peers
AS18183 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
AS18183 connects to the global Internet via at least 3 upstream providers. In this setup, AS18183 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS18183 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS18183's role in extending Internet access beyond its own infrastructure.