AS2576 DOT-AS - U. S. Department of Transportation, US

AS Number

AS2576

AS Name

DOT-AS

Org Name

U. S. Department of Transportation

Country

United States

Registry

arin

RegDate

1993-04-22

Updated

2026-07-06

AS2576 Looking Glass

IPv4Prefixes

IPv6Prefixes

IPv4 NUMs

268,800

IPv6 NUMs(/64)

4,980,736

268,800 IPv4 Addresses

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
152.119.0.0/16	U. S. Department of Transportation	65536
152.120.0.0/16	U. S. Department of Transportation	65536
152.122.0.0/16	U.S. Department of Transportation	65536
169.135.0.0/16	U. S. Department of Transportation	65536
199.79.176.0/24	U.S. Department of Transportation	256
199.79.177.0/24	U.S. Department of Transportation	256
199.79.178.0/24	U.S. Department of Transportation	256
199.79.179.0/24	U.S. Department of Transportation	256
199.79.180.0/24	U.S. Department of Transportation	256
204.68.194.0/24	U. S. Department of Transportation	256
204.68.194.0/23	U.S. Dept. of Transportation	512
204.68.195.0/24	U. S. Department of Transportation	256
204.68.196.0/23	U.S. Dept. of Transportation	512
204.68.202.0/24	U. S. Department of Transportation	256
204.69.250.0/23	Federal Highway Administration	512
204.69.252.0/24	Federal Highway Administration	256
204.86.184.0/21	U.S. Dept. of Transportation	2048
204.86.192.0/23	U.S. Dept. of Transportation	512
204.152.44.0/23	U. S. Department of Transportation	512
204.238.19.0/24	U. S. Department of Transportation	256

CIDR	Description	IP NUMs(prefix /64)
2001:19e8::/48	U. S. Department of Transportation	65536
2001:19e8:1::/48	U. S. Department of Transportation	65536
2001:19e8:2::/48	U. S. Department of Transportation	65536
2001:19e8:a::/48	U. S. Department of Transportation	65536
2001:19e8:d::/48	U. S. Department of Transportation	65536
2001:19e8:e::/48	U. S. Department of Transportation	65536
2001:19e8:d1::/48	U. S. Department of Transportation	65536
2001:19e8:d2::/48	U. S. Department of Transportation	65536
2001:19e8:d3::/48	U. S. Department of Transportation	65536
2001:19e8:d4::/48	U. S. Department of Transportation	65536
2001:19e8:d5::/48	U. S. Department of Transportation	65536
2001:19e8:d6::/48	U. S. Department of Transportation	65536
2001:19e8:d7::/48	U. S. Department of Transportation	65536
2001:19e8:d8::/48	U. S. Department of Transportation	65536
2001:19e8:d9::/48	U. S. Department of Transportation	65536
2001:19e8:da::/48	U. S. Department of Transportation	65536
2001:19e8:f0::/48	U. S. Department of Transportation	65536
2001:19e8:f1::/48	U. S. Department of Transportation	65536
2001:19e8:f2::/48	U. S. Department of Transportation	65536
2001:19e8:f3::/48	U. S. Department of Transportation	65536
2001:19e8:f4::/48	U. S. Department of Transportation	65536
2001:19e8:f5::/48	U. S. Department of Transportation	65536
2001:19e8:f6::/48	U. S. Department of Transportation	65536
2001:19e8:f7::/48	U. S. Department of Transportation	65536
2001:19e8:f8::/48	U. S. Department of Transportation	65536
2001:19e8:f9::/48	U. S. Department of Transportation	65536
2001:19e8:fa::/48	U. S. Department of Transportation	65536
2001:19e8:fb::/48	U. S. Department of Transportation	65536
2001:19e8:220::/44	U. S. Department of Transportation	1048576
2001:19e8:230::/44	U. S. Department of Transportation	1048576
2001:19e8:260::/44	U. S. Department of Transportation	1048576

AS	Description	Country/Region	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS13979	ATT-IPFR - AT&T Enterprises, LLC, US		49,664	0	IPv4	IPv6

ASNumber:       2576
ASName:         DOT-AS
ASHandle:       AS2576
RegDate:        1993-04-22
Updated:        2005-03-02
Ref:            https://rdap.arin.net/registry/autnum/2576


OrgName:        U. S. Department of Transportation
OrgId:          USDT-1
Address:        1200 New Jersey Ave. S.E.
City:           Washington
StateProv:      DC
PostalCode:     20590
Country:        US
RegDate:        1993-04-22
Updated:        2026-07-06
Ref:            https://rdap.arin.net/registry/entity/USDT-1


OrgAbuseHandle: NETWO3558-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-202-385-4357 
OrgAbuseEmail:  jeffrey.callaham@dot.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3558-ARIN

OrgTechHandle: NETWO3558-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-202-385-4357 
OrgTechEmail:  jeffrey.callaham@dot.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3558-ARIN

AS2576 - DOT-AS - U. S. Department of Transportation, US

AS2576

DOT-AS

U. S. Department of Transportation

United States