AS15118
Southern Illinois University - School of Medicine — siumed.edu
Summary
| Country |
 United States
|
| Organization | Southern Illinois University - School of Medicine |
| Domain | siumed.edu |
| Number of IPv4 | 6,144 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | March 22, 2000 (about 25 years ago) |
| Updated | January 02, 2025 (about 3 months ago) |
IP Ranges
AS15118 announces 3 IPv4 ranges and 1 IPv6 range.
That's a total of 6,144 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 131.230.224.0/20 |
Southern Illinois University Carbondale
|
4,096 | ARIN | ALLOCATION |
| 131.230.228.0/22 |
Southern Illinois University Carbondale
|
1,024 | ARIN | ALLOCATION |
| 131.230.236.0/22 |
Southern Illinois University Carbondale
|
1,024 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2604:360::/32 |
Southern Illinois University - School of Medicine
|
7.9228× 1028 | ARIN | ALLOCATION |
Peers
AS15118 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
AS15118 connects to the global Internet via at least 2 upstream providers. In this setup, AS15118 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS15118 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.