AS22887
Western Illinois University
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 →
AS22887 — global IP footprint
Cities where AS22887 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 143.43.128.0/17 | 32.8K |
87.4%
|
Western Illinois University | US | Illinois | Macomb |
| 207.246.160.0/19 | 8.2K |
80.6%
|
Western Illinois University | US | Illinois | Calumet City |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS22887 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 |
|---|---|---|
| 143.43.192.0/18 | 12,760 | 2026-07-26 21:07:35 |
| 143.43.128.0/18 | 12,724 | 2026-07-26 21:07:35 |
| 143.43.128.0/17 | 8,148 | 2026-07-26 20:19:27 |
| 207.246.160.0/20 | 4,862 | 2026-07-26 20:19:24 |
| 207.246.176.0/20 | 4,817 | 2026-07-26 20:19:24 |
Frequently Asked Questions
What is AS22887?
AS22887 is an Autonomous System Number assigned to Western Illinois 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 AS22887 announce?
AS22887 announces 41.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS22887?
AS22887 is operated by Western Illinois University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS22887 registered in?
AS22887 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
