AS63397
Willett Advisors LLC
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 |
|---|---|---|---|---|---|---|
| 38.79.7.0/24 | 256 |
0.0%
|
Willett Advisors LLC | US | New York | Hawthorne |
| 47.19.151.0/24 | 256 |
0.8%
|
Willett Advisors LLC | US | — | — |
| 47.19.152.0/24 | 256 |
0.8%
|
Willett Advisors LLC | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS63397 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 |
|---|---|---|
| 38.79.7.0/24 | 15,165 | 2026-07-31 05:21:39 |
| 47.19.152.0/24 | 11,025 | 2026-07-31 05:21:37 |
| 47.19.151.0/24 | 9,850 | 2026-07-31 05:21:47 |
Frequently Asked Questions
What is AS63397?
AS63397 is an Autonomous System Number assigned to Willett Advisors 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 AS63397 announce?
AS63397 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS63397?
AS63397 is operated by Willett Advisors LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS63397 registered in?
AS63397 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
