AS1540 — DNIC-ASBLK-01534-01546
AS1540 announces 583 IPv4 prefixes covering 6,272,768 addresses and 46 IPv6 prefixes.
About this network
AS1540 is a US Department of Defense network, part of the block registered to the DoD Network Information Center (DNIC-ASBLK-01534-01546).
What it's used for
- US government / military networking. The generic DNIC block registration doesn't identify a specific base or unit.
Notable
- A government / DoD network, not a commercial ISP or hosting provider.
- Registered to the DoD Network Information Center (DNIC), holder of many contiguous low-numbered federal ASNs.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 6.16.52.0/24
- 6.16.66.0/23
- 6.16.70.0/23
- 6.16.72.0/23
- 6.16.80.0/23
- 6.16.90.0/23
- 6.16.92.0/22
- 6.16.96.0/23
- 6.16.100.0/22
- 6.16.104.0/22
- 6.16.112.0/23
- 6.17.80.0/24
- 6.17.88.0/21
- 6.42.192.0/19
- 6.42.224.0/21
- 6.42.232.0/22
- 6.42.243.0/24
- 6.42.244.0/22
- 6.45.32.0/20
- 6.48.64.0/20
- 6.50.40.0/24
- 6.64.138.0/23
- 6.64.146.0/24
- 6.64.151.0/24
- 6.64.152.0/24
- 6.64.157.0/24
- 6.64.159.0/24
- 6.64.162.0/23
- 6.64.166.0/24
- 6.65.4.0/24
- 6.65.6.0/24
- 6.65.8.0/22
- 6.65.16.0/24
- 6.65.20.0/22
- 6.65.26.0/23
- 6.65.34.0/23
- 6.65.36.0/22
- 6.65.40.0/24
- 6.65.44.0/22
- 6.65.48.0/22
- 6.65.58.0/23
- 6.65.130.0/23
- 6.65.132.0/22
- 6.65.136.0/21
- 6.65.144.0/20
- 6.65.160.0/20
- 6.65.176.0/21
- 6.65.184.0/22
- 6.66.66.0/23
- 6.66.68.0/22
- 6.66.72.0/21
- 6.66.80.0/20
- 6.66.96.0/19
- 6.66.128.0/20
- 6.66.144.0/21
- 6.66.152.0/22
- 6.66.157.0/24
- 6.66.158.0/24
- 6.66.224.0/22
- 6.66.228.0/24
- 6.66.230.0/23
- 6.66.232.0/22
- 6.66.236.0/24
- 6.66.238.0/23
- 6.67.32.0/23
- 6.67.35.0/24
- 6.67.36.0/24
- 6.68.0.0/16
- 6.69.6.0/23
- 6.69.8.0/21
- 6.69.16.0/20
- 6.69.32.0/20
- 6.69.48.0/21
- 6.69.56.0/22
- 6.69.60.0/23
- 6.69.64.0/18
- 6.69.128.0/21
- 6.69.136.0/22
- 6.70.1.0/24
- 6.70.2.0/23
- 6.70.9.0/24
- 6.70.10.0/23
- 6.70.12.0/22
- 6.70.16.0/21
- 6.70.24.0/22
- 6.70.28.0/23
- 6.70.32.0/20
- 6.70.48.0/21
- 6.70.66.0/23
- 6.70.68.0/22
- 6.70.72.0/21
- 6.70.80.0/20
- 6.70.96.0/19
- 6.70.130.0/23
- 6.70.132.0/22
- 6.70.136.0/21
- 6.70.144.0/20
- 6.70.160.0/19
- 6.71.148.0/22
- 6.71.184.0/21
and 529 more.
Upstream networks
Downstream networks
- AS306 United States Department of Defense (DoD)
- AS1493 Headquarters, USAISC
- AS588 Headquarters, USAISC
Adjacent networks
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED