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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: DE-CIX New York: DE-CIX New York Peering LAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 64.239.20.0/23 | 512 |
0.0%
|
FiberSpark Inc. | US | New York | Sherburne |
| 23.139.248.0/24 | 256 |
0.0%
|
FiberSpark Inc. | US | New York | Nichols |
| 64.239.20.0/24 | 256 |
0.0%
|
FiberSpark Inc. | US | New York | Sherburne |
| 172.96.162.0/24 | 256 |
0.4%
|
FiberSpark Inc. | US | New York | Jamestown |
| 199.79.156.0/24 | 256 |
0.0%
|
FiberSpark Inc. | US | New York | Ithaca |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS394019 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 |
|---|---|---|
| 199.79.156.0/24 | 63,988 | 2026-07-31 01:31:43 |
| 23.139.248.0/24 | 63,976 | 2026-07-31 01:31:43 |
| 64.239.20.0/23 | 46,621 | 2026-07-31 01:31:43 |
| 172.96.162.0/24 | 11,300 | 2026-07-31 01:31:00 |
| 64.239.20.0/24 | 8,310 | 2026-07-13 06:46:19 |
Frequently Asked Questions
What is AS394019?
AS394019 is an Autonomous System Number assigned to FiberSpark 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 AS394019 announce?
AS394019 announces 1.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.
Who operates AS394019?
AS394019 is operated by FiberSpark Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS394019 registered in?
AS394019 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
