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AS749

AS749 is United States Department of Defense (DoD).

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (3 Nov 2026)

Short answer

AS749 belongs to United States Department of Defense (DoD). DB-IP Lite attributes 205,399,296 IPv4 addresses in 1,440 ranges and no IPv6 ranges to it, all or nearly all of the IPv4 space in United States. The number is registered with ARIN in United States.

Facts for AS749
Operator (DB-IP)United States Department of Defense (DoD)
IPv4 addresses205,399,296
IPv4 ranges1,440
IPv6 ranges0
RegistryARIN
Registered—
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

United States Department of Defense (DoD) hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists no IPv6 ranges for AS749, so its customers reach websites over IPv4.

Where its IPv4 space is used, according to DB-IP

US100%
JP0.00%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
6.1.0.0 – 6.1.255.2556.1.0.0/1665,536
6.16.0.0 – 6.16.47.2556.16.0.0/19, 6.16.32.0/2012,288
6.16.49.0 – 6.16.50.2556.16.49.0/24, 6.16.50.0/24512
6.16.53.0 – 6.16.63.2556.16.53.0/24, 6.16.54.0/23 …2,816
6.16.114.0 – 6.16.114.2556.16.114.0/24256
6.16.116.0 – 6.16.123.2556.16.116.0/22, 6.16.120.0/222,048
6.16.128.0 – 6.16.135.2556.16.128.0/212,048
6.16.137.0 – 6.16.168.2556.16.137.0/24, 6.16.138.0/23 …8,192
6.16.170.0 – 6.16.171.2556.16.170.0/23512
6.16.177.0 – 6.16.191.2556.16.177.0/24, 6.16.178.0/23 …3,840
6.16.202.0 – 6.16.202.2556.16.202.0/24256
6.16.204.0 – 6.16.204.2556.16.204.0/24256
6.16.206.0 – 6.16.206.2556.16.206.0/24256
6.16.208.0 – 6.16.211.2556.16.208.0/221,024
6.16.213.0 – 6.16.215.2556.16.213.0/24, 6.16.214.0/23768
6.16.217.0 – 6.16.217.2556.16.217.0/24256
6.16.219.0 – 6.17.79.2556.16.219.0/24, 6.16.220.0/22 …29,952
6.17.81.0 – 6.17.87.2556.17.81.0/24, 6.17.82.0/23 …1,792
6.17.96.0 – 6.33.83.2556.17.96.0/19, 6.17.128.0/17 …1,045,504
6.33.88.0 – 6.40.255.2556.33.88.0/21, 6.33.96.0/19 …501,760
6.42.0.0 – 6.42.55.2556.42.0.0/19, 6.42.32.0/20 …14,336
6.42.62.0 – 6.42.63.2556.42.62.0/23512
6.42.190.0 – 6.42.191.2556.42.190.0/23512
6.43.0.0 – 6.43.255.2556.43.0.0/1665,536
6.45.0.0 – 6.45.31.2556.45.0.0/198,192
6.46.0.0 – 6.46.31.2556.46.0.0/198,192
6.46.92.0 – 6.46.95.2556.46.92.0/221,024
6.46.112.0 – 6.47.63.2556.46.112.0/20, 6.46.128.0/17 …53,248
6.47.104.0 – 6.47.119.2556.47.104.0/21, 6.47.112.0/214,096
6.47.121.0 – 6.47.255.2556.47.121.0/24, 6.47.122.0/23 …34,560
6.48.16.0 – 6.48.31.2556.48.16.0/204,096
6.48.40.0 – 6.48.47.2556.48.40.0/212,048
6.48.56.0 – 6.48.63.2556.48.56.0/212,048
6.48.152.0 – 6.48.159.2556.48.152.0/212,048
6.50.160.0 – 6.50.191.2556.50.160.0/198,192
6.51.96.0 – 6.51.127.2556.51.96.0/198,192
6.51.196.0 – 6.51.199.2556.51.196.0/221,024
6.51.208.0 – 6.51.223.2556.51.208.0/204,096
6.51.240.0 – 6.51.251.2556.51.240.0/21, 6.51.248.0/223,072
6.51.253.0 – 6.52.15.2556.51.253.0/24, 6.51.254.0/23 …4,864
6.56.0.0 – 6.64.0.2556.56.0.0/13, 6.64.0.0/24524,544
6.64.2.0 – 6.64.3.2556.64.2.0/23512
6.64.5.0 – 6.64.30.2556.64.5.0/24, 6.64.6.0/23 …6,656
6.64.64.0 – 6.64.103.2556.64.64.0/19, 6.64.96.0/2110,240
6.64.105.0 – 6.64.119.2556.64.105.0/24, 6.64.106.0/23 …3,840
6.64.122.0 – 6.64.127.2556.64.122.0/23, 6.64.124.0/221,536
6.64.140.0 – 6.64.141.2556.64.140.0/23512
6.64.145.0 – 6.64.145.2556.64.145.0/24256
6.64.149.0 – 6.64.149.2556.64.149.0/24256
6.64.153.0 – 6.64.153.2556.64.153.0/24256
Showing 50 of 1,440 IPv4 and 0 of 0 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026