$ query “AS20408” --type=asn → 1 result(s)
AS20408 — NTTA
North Texas Tollway Authority
AS20408 is a government stub network run by North Texas Tollway Authority, established in the United States in 2001. The network announces 768 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Government/Public Administration
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 03, 2001
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 768
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 US (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 768 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 1 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #55 775
Upstream Providers (1)
- AS7018 — ATT-INTERNET4 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (3 total)
- 12.229.157.0/24 (256 addresses)
- 170.39.157.0/24 (256 addresses)
- 208.189.92.0/24 (256 addresses)