AS20408
North Texas Tollway Authority
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 |
|---|---|---|---|---|---|---|
| 12.229.157.0/24 | 256 |
2.0%
|
North Texas Tollway Authority | US | Texas | Wolfe City |
| 170.39.157.0/24 | 256 |
0.0%
|
North Texas Tollway Authority | US | — | — |
| 208.189.92.0/24 | 256 |
11.7%
|
North Texas Tollway Authority | US | Texas | Plano |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS20408 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 |
|---|---|---|
| 170.39.157.0/24 | 7,978 | 2026-07-25 15:37:48 |
| 208.189.92.0/24 | 5,716 | 2026-07-25 15:37:48 |
| 12.229.157.0/24 | 3,963 | 2026-07-25 15:37:48 |
Frequently Asked Questions
What is AS20408?
AS20408 is an Autonomous System Number assigned to North Texas Tollway Authority. 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 AS20408 announce?
AS20408 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS20408?
AS20408 is operated by North Texas Tollway Authority. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS20408 registered in?
AS20408 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
