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 →
AS33121 — global IP footprint
Cities where AS33121 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 |
|---|---|---|---|---|---|---|
| 65.207.192.0/24 | 256 |
1.2%
|
INTERACTIVE BROKERS LLC | US | Illinois | Willow Springs |
Frequently Asked Questions
What is AS33121?
AS33121 is an Autonomous System Number assigned to Interactive Brokers LLC. 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 AS33121 announce?
AS33121 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS33121?
AS33121 is operated by INTERACTIVE BROKERS LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS33121 registered in?
AS33121 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
