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 Washington University in St. Louis
Washington University in St. Louis (WashU) is a private research university in the St.
Network profile
Source: PeeringDB →Present at 2 internet exchanges: Equinix Chicago, Equinix Ashburn
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 128.252.0.0/16 | 65.5K |
14.4%
|
Washington University | US | Missouri | St Louis |
| 65.254.96.0/19 | 8.2K |
3.2%
|
Washington University | US | Missouri | St Louis |
| 192.31.46.0/24 | 256 |
0.0%
|
Washington University | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS2552 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 |
|---|---|---|
| 65.254.96.0/19 | 3,303 | 2026-07-18 11:59:56 |
| 128.252.0.0/16 | 3,289 | 2026-07-18 11:59:56 |
| 192.31.46.0/24 | 3,267 | 2026-07-18 11:59:56 |
Frequently Asked Questions
What is AS2552?
AS2552 is an Autonomous System Number assigned to Washington University. 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 AS2552 announce?
AS2552 announces 74.0K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS2552?
AS2552 is operated by Washington University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS2552 registered in?
AS2552 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
