AS399247
Fastlink Communications 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
- 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 |
|---|---|---|---|---|---|---|
| 172.110.132.0/22 | 1.0K |
0.0%
|
Fastlink Communications LLC. | US | Virginia | Cana |
| 204.225.126.0/23 | 512 |
60.9%
|
Fastlink Communications LLC. | US | Virginia | Fancy Gap |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS399247 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 |
|---|---|---|
| 204.225.126.0/23 | 15,289 | 2026-08-03 16:31:37 |
| 172.110.132.0/22 | 10,441 | 2026-08-03 16:35:16 |
Frequently Asked Questions
What is AS399247?
AS399247 is an Autonomous System Number assigned to Fastlink Communications 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 AS399247 announce?
AS399247 announces 1.5K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS399247?
AS399247 is operated by Fastlink Communications LLC.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS399247 registered in?
AS399247 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
