AS25
University of California at Berkeley — berkeley.edu
Summary
| Country |
 United States
|
| Organization | University of California at Berkeley |
| Domain | berkeley.edu |
| Number of IPv4 | 202,240 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | August 03, 1984 (about 41 years ago) |
| Updated | December 14, 2023 (about 1 year ago) |
IP Ranges
AS25 announces 13 IPv4 ranges and 1 IPv6 range.
That's a total of 202,240 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 67.21.36.0/24 |
ICSI
|
256 | ARIN | REASSIGNMENT |
| 128.32.0.0/16 |
University of California at Berkeley
|
65,536 | ARIN | ALLOCATION |
| 136.152.0.0/16 |
University of California at Berkeley
|
65,536 | ARIN | ALLOCATION |
| 169.229.0.0/16 |
University of California at Berkeley
|
65,536 | ARIN | REASSIGNMENT |
| 169.236.240.0/21 |
University of California, Merced
|
2,048 | ARIN | REASSIGNMENT |
| 192.12.234.0/24 |
University of California at Berkeley
|
256 | ARIN | ALLOCATION |
| 192.31.105.0/24 |
University of California at Berkeley
|
256 | ARIN | ALLOCATION |
| 192.35.209.0/24 |
University of California - Office of The President
|
256 | ARIN | ALLOCATION |
| 192.150.186.0/23 |
University of California at Berkeley
|
512 | ARIN | ALLOCATION |
| 192.154.4.0/23 |
University of California at Berkeley
|
512 | ARIN | ALLOCATION |
| 192.154.6.0/24 |
University of California at Berkeley
|
256 | ARIN | ALLOCATION |
| 208.68.240.0/22 |
SETIATHOME
|
1,024 | ARIN | ALLOCATION |
| 209.129.246.0/24 |
East Bay Community Law Center
|
256 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2607:f140::/32 |
University of California at Berkeley
|
7.9228× 1028 | ARIN | ALLOCATION |
Peers
AS25 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
AS25 connects to the global Internet via at least 1 upstream provider. In this setup, AS25 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS25 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.