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
- Isp allocation +5
- Trust score 70 / 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 |
|---|---|---|---|---|---|---|
| 23.138.88.0/24 | 256 |
0.0%
|
ALPHANET CORP | PR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS400354 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 |
|---|---|---|
| 23.138.88.0/24 | 4,861 | 2026-07-24 03:55:38 |
Frequently Asked Questions
What is AS400354?
AS400354 is an Autonomous System Number assigned to ALPHANET CORP. 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 AS400354 announce?
AS400354 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Puerto Rico.
Who operates AS400354?
AS400354 is operated by ALPHANET CORP. The organization is based in Puerto Rico. You can view all IP ranges and related ASNs on the organization page.
What country is AS400354 registered in?
AS400354 is registered in Puerto Rico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.