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
608
IPv6 Prefixes
27

IPv4 Prefixes

608 total · showing first 10
132.140.0.0/24
132.140.2.0/24
132.140.4.0/24
132.140.5.0/24
132.140.6.0/24
132.140.7.0/24
134.78.0.0/16
134.80.208.0/21
134.80.208.0/22
136.205.0.0/16

IPv6 Prefixes

27 total · showing first 10
2608:103:2740::/48
2608:103:4f0::/48
2608:104:2a20::/48
2608:104:500::/48
2608:109:15b0::/48
2608:10a:6000::/40
2608:122:3ff0::/48
2608:124:b70::/48
2608:127:17f0::/48
2608:129:2a10::/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.