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 →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 23.157.172.0/24 | 256 |
0.0%
|
Syniac | US | Utah | Salt Lake City |
| 69.33.2.0/24 | 256 |
90.6%
|
Syniac | US | Florida | Miami |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS400958 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 |
|---|---|---|
| 23.157.172.0/24 | 13,896 | 2026-08-02 12:24:28 |
| 69.33.2.0/24 | 13,464 | 2026-08-02 07:43:44 |
Frequently Asked Questions
What is AS400958?
AS400958 is an Autonomous System Number assigned to Syniac. 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 AS400958 announce?
AS400958 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS400958?
AS400958 is operated by Syniac. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS400958 registered in?
AS400958 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
