AS2576 — DOT-AS

AS2576 announces 15 IPv4 prefixes covering 268,800 addresses and 12 IPv6 prefixes.

About this network

A network of the U.S. Department of Transportation (DOT-AS), the federal agency responsible for transportation policy and safety.

What it's used for

• Government agency networking for the Department of Transportation.

Notable

• A US government network, not a commercial ISP or host. The low AS number reflects an early-internet allocation to a federal agency.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 152.119.0.0/16
• 152.120.0.0/16
• 152.122.0.0/16
• 169.135.0.0/16
• 199.79.176.0/22
• 199.79.180.0/24
• 204.68.194.0/23
• 204.68.196.0/23
• 204.68.202.0/24
• 204.69.250.0/23
• 204.69.252.0/24
• 204.86.184.0/21
• 204.86.192.0/23
• 204.152.44.0/23
• 204.238.19.0/24
• 2001:19e8::/46
• 2001:19e8:a::/48
• 2001:19e8:d::/48
• 2001:19e8:e::/48
• 2001:19e8:d1::/48
• 2001:19e8:d2::/47
• 2001:19e8:d4::/46
• 2001:19e8:d8::/46
• 2001:19e8:f0::/44
• 2001:19e8:220::/43
• 2001:19e8:260::/44
• 2001:19e8:1002::/47

Upstream networks

• AS13979 AT&T Enterprises, LLC

Adjacent networks

• AS13979 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 53 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-GBLX.