AS33503
Medical College of Wisconsin
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 141.106.0.0/16 | 65.5K |
2.8%
|
Medical College of Wisconsin | US | Wisconsin | Milwaukee |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS33503 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 |
|---|---|---|
| 141.106.67.0/24 | 8,986 | 2026-07-24 00:54:39 |
| 141.106.68.0/24 | 8,912 | 2026-07-24 00:54:39 |
| 141.106.12.0/24 | 4,967 | 2026-07-24 00:54:38 |
| 141.106.114.0/24 | 4,962 | 2026-07-24 00:54:38 |
| 141.106.69.0/24 | 4,725 | 2026-07-24 00:54:38 |
| 141.106.0.0/16 | 4,640 | 2026-07-24 00:54:38 |
Frequently Asked Questions
What is AS33503?
AS33503 is an Autonomous System Number assigned to Medical College of Wisconsin. 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 AS33503 announce?
AS33503 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS33503?
AS33503 is operated by Medical College of Wisconsin. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS33503 registered in?
AS33503 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
