AS1742
Harvard University — harvard.edu
Summary
| Country |
 United States
|
| Organization | Harvard University |
| Domain | harvard.edu |
| Number of IPv4 | 204,864 |
| Number of IPv6 | 8.4491× 1028 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | February 19, 1992 (about 33 years ago) |
| Updated | December 21, 2023 (about 1 year ago) |
IP Ranges
AS1742 announces 15 IPv4 ranges and 4 IPv6 ranges.
That's a total of 204,864 IPv4 addresses and 8.4491× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 65.112.0.0/20 |
Harvard University
|
4,096 | ARIN | REASSIGNMENT |
| 67.134.204.0/22 |
Harvard University
|
1,024 | ARIN | REASSIGNMENT |
| 128.103.0.0/16 |
Harvard University
|
65,536 | ARIN | ALLOCATION |
| 131.142.0.0/16 |
Smithsonian Astrophysical Observatory
|
65,536 | ARIN | ALLOCATION |
| 140.247.0.0/16 |
Harvard University
|
65,536 | ARIN | ALLOCATION |
| 140.247.111.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 140.247.152.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 140.247.174.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 140.247.179.128/26 |
Harvard University
|
64 | ARIN | ALLOCATION |
| 140.247.236.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 192.5.66.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 192.43.216.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 192.54.223.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 192.131.102.0/24 |
Harvard University
|
256 | ARIN | ALLOCATION |
| 199.94.60.0/22 |
Harvard University
|
1,024 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2602:fca9::/36 |
Harvard University
|
4.9518× 1027 | ARIN | ALLOCATION |
| 2607:fb60::/32 |
Harvard University
|
7.9228× 1028 | ARIN | ALLOCATION |
| 2607:fb60:2400::/40 |
Harvard University
|
3.0949× 1026 | ARIN | ALLOCATION |
| 2620:32:8000::/48 |
Smithsonian Astrophysical Observatory
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
AS1742 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
AS1742 connects to the global Internet via at least 5 upstream providers. In this setup, AS1742 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.