The IP API The IP API
// ASN

AS1540

DNIC-ASBLK-01534-01546 - Headquarters, USAISC, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS1540
Organization
Headquarters, USAISC
Description
DNIC-ASBLK-01534-01546 - Headquarters, USAISC, US
Country
US
State / Region
AZ
City
Fort Huachuca
Address
NETC-ANC CONUS TNOSC
Registry (RIR)
ARIN
Created
2005-11-23
Updated
2025-03-13
IPv4 Prefixes
1089
IPv6 Prefixes
43

IPv4 Prefixes

1089 total · showing first 10
128.190.0.0/16
128.190.2.0/24
128.44.60.0/22
129.139.0.0/16
129.29.0.0/16
130.114.0.0/16
132.135.20.0/24
132.140.0.0/24
132.140.2.0/24
132.140.3.0/24

IPv6 Prefixes

43 total · showing first 10
2608:100:3130::/48
2608:103:2740::/48
2608:103:4f0::/48
2608:104:2a20::/48
2608:104:500::/48
2608:109:15b0::/48
2608:122:3ff0::/48
2608:124:4d10::/48
2608:124:b70::/48
2608:125:4ee0::/48

What is AS1540?

AS1540 is an Autonomous System Number (ASN) assigned to Headquarters, USAISC. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.