AS10578 Harvard University
General Info - AS10578
24,832
15.17 Octillion
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 18.2.0.0/19 | 18.2.0.0 | 18.2.31.255 | 8,192 | |
| 18.2.128.0/19 | 18.2.128.0 | 18.2.159.255 | 8,192 | |
| 18.2.192.0/19 | 18.2.192.0 | 18.2.223.255 | 8,192 | |
| 192.5.89.0/24 | 192.5.89.0 | 192.5.89.255 | 256 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:468:600::/40 | 2001:468:600:: | 2001:468:6ff:ffff:ffff:ffff:ffff:ffff | 309.49 Septillion | |
| 2001:504:2e::/48 | 2001:504:2e:: | 2001:504:2e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2603:40ff:2000::/36 | 2603:40ff:2000:: | 2603:40ff:2fff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2603:40ff:4000::/36 | 2603:40ff:4000:: | 2603:40ff:4fff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2603:40ff:6000::/36 | 2603:40ff:6000:: | 2603:40ff:6fff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion |
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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