Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
About Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636, and named Harvard College in 1639 in honor of its first benefactor, Puritan clergyman John Harvard, it is the oldest institution of higher learning in the United States.
Operates 1 network present at 2 internet exchanges with a selective peering policy.
Countries served by Harvard University
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by Harvard University
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 128.103.0.0/16 | 65.5K |
25.2%
|
AS1742 | US | Massachusetts | Cambridge |
| 131.142.0.0/16 | 65.5K |
6.7%
|
AS1742 | US | Massachusetts | Arlington |
| 140.247.0.0/16 | 65.5K |
64.9%
|
AS1742 | US | Massachusetts | Cambridge |
| 18.2.0.0/19 | 8.2K |
1.1%
|
AS10578 | US | — | — |
| 18.2.128.0/19 | 8.2K |
1.0%
|
AS10578 | US | — | — |
| 18.2.192.0/19 | 8.2K |
0.0%
|
AS10578 | US | — | — |
| 65.112.0.0/20 | 4.1K |
7.2%
|
AS1742 | US | Massachusetts | Cambridge |
| 67.134.204.0/22 | 1.0K |
93.2%
|
AS1742 | US | Massachusetts | Cambridge |
| 199.94.60.0/22 | 1.0K |
0.0%
|
AS1742 | US | — | — |
| 192.5.66.0/24 | 256 |
0.8%
|
AS1742 | US | — | — |
| 192.5.89.0/24 | 256 |
7.4%
|
AS10578 | US | — | — |
| 192.54.223.0/24 | 256 |
0.0%
|
AS1742 | US | — | — |
| 192.131.102.0/24 | 256 |
0.0%
|
AS1742 | US | — | — |
Frequently Asked Questions
How many IP addresses does Harvard University own?
Harvard University controls 228.4K IPv4 addresses distributed across 13 CIDR ranges. The organization is registered in United States.
What ASNs does Harvard University operate?
Harvard University operates 2 Autonomous Systems. Each ASN represents an independently routed network that Harvard University manages for internet traffic delivery.
What type of organization is Harvard University?
Harvard University is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.
