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 |
|---|---|---|---|---|---|---|
| 52.129.16.0/22 | 1.0K |
0.2%
|
Bullhorn Inc. | US | — | — |
| 204.62.52.0/22 | 1.0K |
0.3%
|
Bullhorn Inc. | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS40089 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 |
|---|---|---|
| 204.62.55.0/24 | 6,908 | 2026-08-02 22:11:42 |
| 204.62.53.0/24 | 6,506 | 2026-08-02 22:11:42 |
| 204.62.52.0/24 | 6,502 | 2026-08-02 22:11:42 |
| 52.129.19.0/24 | 6,355 | 2026-08-02 22:01:56 |
| 52.129.16.0/24 | 6,341 | 2026-08-02 22:01:56 |
| 52.129.18.0/24 | 6,340 | 2026-08-02 22:01:56 |
| 52.129.17.0/24 | 6,337 | 2026-08-02 22:01:56 |
| 204.62.54.0/24 | 4,843 | 2026-08-02 22:11:42 |
Frequently Asked Questions
What is AS40089?
AS40089 is an Autonomous System Number assigned to Bullhorn Inc.. 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 AS40089 announce?
AS40089 announces 2.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS40089?
AS40089 is operated by Bullhorn Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS40089 registered in?
AS40089 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.