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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 199.98.16.0/20 | 4.1K |
28.2%
|
Cooper Union | US | New Jersey | Newark |
| 192.58.127.0/24 | 256 |
0.0%
|
Cooper Union | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS6199 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 |
|---|---|---|
| 192.58.127.0/24 | 7,259 | 2026-08-01 13:31:45 |
| 199.98.16.0/20 | 6,608 | 2026-08-01 13:31:47 |
Frequently Asked Questions
What is AS6199?
AS6199 is an Autonomous System Number assigned to Cooper Union. 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 AS6199 announce?
AS6199 announces 4.4K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS6199?
AS6199 is operated by Cooper Union. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS6199 registered in?
AS6199 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
