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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About athenahealth
Athenahealth, Inc. is a privately held American company that provides cloud-based SaaS healthcare technology and network-enabled services and point-of-care mobile apps for healthcare in the United States.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 162.208.24.0/22 | 1.0K |
0.5%
|
Athenahealth | US | — | — |
| 162.220.216.0/22 | 1.0K |
0.0%
|
Athenahealth | US | Indiana | South Bend |
| 204.165.246.0/23 | 512 |
0.0%
|
Athenahealth | US | — | — |
| 208.78.140.0/23 | 512 |
88.1%
|
Athenahealth | US | — | — |
| 162.220.217.0/24 | 256 |
0.0%
|
Athenahealth | US | — | — |
| 162.220.219.0/24 | 256 |
0.0%
|
Athenahealth | US | — | — |
| 208.78.143.0/24 | 256 |
85.9%
|
Athenahealth | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS36738 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 162.220.216.0/23 | 8,636 | 2026-07-31 23:00:41 |
| 208.78.143.0/24 | 8,624 | 2026-07-31 22:55:33 |
| 162.220.218.0/23 | 8,611 | 2026-07-31 23:00:41 |
| 208.78.140.0/24 | 8,608 | 2026-07-31 22:55:33 |
| 208.78.141.0/24 | 8,583 | 2026-07-31 22:55:33 |
| 204.165.246.0/23 | 8,090 | 2026-07-31 22:55:33 |
| 162.208.24.0/22 | 7,909 | 2026-07-31 23:00:36 |
Frequently Asked Questions
What is AS36738?
AS36738 is an Autonomous System Number assigned to Athenahealth. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS36738 announce?
AS36738 announces 2.8K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in United States.
Who operates AS36738?
AS36738 is operated by Athenahealth. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS36738 registered in?
AS36738 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
