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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
About University of Pittsburgh Medical Center
The University of Pittsburgh Medical Center (UPMC) is an American integrated global nonprofit health enterprise that has 100,000 employees, 40 hospitals with more than 8,000 licensed beds, 800 clinical locations including outpatient sites and doctors' offices, a 3.8 million-member health insurance division, as well as commercial and international ventures. It is closely affiliated with its academic partner, the University of Pittsburgh.
Network profile
Source: PeeringDB →Present at 1 internet exchange: PIT-IX: Peering-1500
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 128.147.0.0/16 | 65.5K |
2.5%
|
UPMC | US | Pennsylvania | Pittsburgh |
| 150.232.0.0/16 | 65.5K |
1.2%
|
UPMC | US | — | — |
| 151.195.0.0/16 | 65.5K |
0.5%
|
UPMC | US | Pennsylvania | Ambridge |
| 157.229.0.0/16 | 65.5K |
5.1%
|
UPMC | US | Pennsylvania | McKees Rocks |
| 157.229.0.0/17 | 32.8K |
9.2%
|
UPMC | US | Pennsylvania | McKees Rocks |
| 157.229.192.0/18 | 16.4K |
0.2%
|
UPMC | US | — | — |
| 157.229.128.0/19 | 8.2K |
2.4%
|
UPMC | US | — | — |
| 157.229.160.0/20 | 4.1K |
2.3%
|
UPMC | US | — | — |
| 205.223.240.0/20 | 4.1K |
0.0%
|
UPMC | US | — | — |
| 157.229.176.0/21 | 2.0K |
0.0%
|
UPMC | US | — | — |
| 198.55.8.0/21 | 2.0K |
4.3%
|
UPMC | US | — | — |
| 198.136.8.0/21 | 2.0K |
0.6%
|
UPMC | US | — | — |
| 157.229.184.0/22 | 1.0K |
0.0%
|
UPMC | US | — | — |
| 157.229.188.0/23 | 512 |
0.0%
|
UPMC | US | — | — |
| 157.229.191.0/24 | 256 |
0.0%
|
UPMC | US | — | — |
| 192.80.29.0/24 | 256 |
0.0%
|
UPMC | US | — | — |
| 198.177.199.0/24 | 256 |
0.0%
|
UPMC | US | — | — |
| 198.184.147.0/24 | 256 |
2.0%
|
UPMC | US | Pennsylvania | Pittsburgh |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS122 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 |
|---|---|---|
| 198.136.8.0/21 | 23,130 | 2026-10-27 07:40:43 |
| 198.184.147.0/24 | 20,002 | 2026-10-27 07:40:39 |
| 205.223.240.0/20 | 19,929 | 2026-10-27 07:40:43 |
| 198.55.8.0/21 | 19,549 | 2026-10-27 07:40:49 |
| 150.232.0.0/16 | 19,455 | 2026-10-27 07:40:43 |
| 192.80.29.0/24 | 19,287 | 2026-10-27 07:40:43 |
| 157.229.0.0/16 | 18,419 | 2026-10-27 07:40:43 |
| 151.195.0.0/16 | 18,136 | 2026-10-27 07:40:43 |
| 128.147.0.0/16 | 18,107 | 2026-10-27 07:40:43 |
| 128.147.75.0/24 | 2,198 | 2026-10-27 05:02:31 |
| 157.229.75.0/24 | 2,127 | 2026-10-27 05:02:31 |
| 198.177.199.0/24 | 1,461 | 2026-10-27 05:02:31 |
Frequently Asked Questions
What is AS122?
AS122 is an Autonomous System Number assigned to UPMC. 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 AS122 announce?
AS122 announces 270.8K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in United States.
Who operates AS122?
AS122 is operated by UPMC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS122 registered in?
AS122 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
