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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About University of Colorado Boulder
The University of Colorado Boulder is a public research university in Boulder, Colorado, United States. Founded in 1876, five months before Colorado became a state, it is the flagship university of the University of Colorado system.
University of Colorado at Boulder — global IP footprint
Cities where University of Colorado at Boulder has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Countries served by University of Colorado at Boulder
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by University of Colorado at Boulder
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 128.138.0.0/16 | 65.5K |
41.4%
|
AS104 | US | Colorado | Boulder |
| 129.19.192.0/18 | 16.4K |
0.0%
|
AS104 | US | — | — |
| 198.11.16.0/20 | 4.1K |
34.0%
|
AS104 | US | Colorado | Boulder |
| 146.5.20.0/22 | 1.0K |
16.7%
|
AS104 | US | — | — |
| 192.12.240.0/23 | 512 |
40.6%
|
AS104 | US | — | — |
| 192.12.244.0/23 | 512 |
75.6%
|
AS104 | US | — | — |
| 198.59.54.0/23 | 512 |
15.8%
|
AS104 | US | — | — |
| 198.59.82.0/23 | 512 |
13.3%
|
AS104 | US | — | — |
| 192.12.238.0/24 | 256 |
14.1%
|
AS104 | US | — | — |
| 192.12.242.0/24 | 256 |
0.8%
|
AS104 | US | — | — |
| 198.59.7.0/24 | 256 |
44.1%
|
AS104 | US | — | — |
| 198.59.51.0/24 | 256 |
12.5%
|
AS104 | US | — | — |
| 198.59.52.0/24 | 256 |
8.2%
|
AS104 | US | — | — |
| 198.59.70.0/24 | 256 |
95.7%
|
AS104 | US | — | — |
| 198.59.81.0/24 | 256 |
0.0%
|
AS104 | US | — | — |
| 204.228.80.0/24 | 256 |
0.0%
|
AS104 | US | — | — |
Frequently Asked Questions
How many IP addresses does University of Colorado at Boulder own?
University of Colorado at Boulder controls 91.1K IPv4 addresses distributed across 16 CIDR ranges. The organization is registered in United States.
What ASNs does University of Colorado at Boulder operate?
University of Colorado at Boulder operates 1 Autonomous System. Each ASN represents an independently routed network that University of Colorado at Boulder manages for internet traffic delivery.
What type of organization is University of Colorado at Boulder?
University of Colorado at Boulder is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.
