All ASNs

Autonomous System details for AS571

AS571

United States Department of Defense (DoD) • mail.mil

AS571 — United States Department of Defense (DoD)

AS Name

DNIC-AS-00571

Country

United States (US)

Website

mail.mil

Number of IPv4

46,080

Number of IPv6

1.21 × 10²⁴

ASN type

Government

Status

Assigned

Registry

ARIN

Allocated

January 16, 1990

Last updated

September 12, 2025

IP Ranges

63 IPv4 prefixes, 1 IPv6 prefixes

Prefix	Company	Number of IPs
214.26.64.0/18		16,384
214.26.64.0/23		512
214.26.66.0/24		256
214.26.67.0/24		256
214.26.68.0/24		256
214.26.72.0/24		256
214.26.73.0/24		256
214.26.74.0/24		256
214.26.75.0/24		256
214.26.76.0/24		256
214.26.77.0/24		256
214.26.78.0/24		256
214.26.79.0/24		256
214.26.80.0/24		256
214.26.81.0/24		256
214.26.82.0/24		256
214.26.83.0/24		256
214.26.84.0/24		256
214.26.85.0/24		256
214.26.86.0/24		256
214.26.87.0/24		256
214.26.88.0/24		256
214.26.89.0/24		256
214.26.90.0/24		256
214.26.91.0/24		256
214.26.92.0/24		256
214.26.93.0/24		256
214.26.94.0/24		256
214.26.95.0/24		256
214.26.96.0/24		256
214.26.97.0/24		256
214.26.98.0/24		256
214.26.99.0/24		256
214.26.100.0/24		256
214.26.101.0/24		256
214.26.102.0/24		256
214.26.103.0/24		256
214.26.105.0/24		256
214.26.106.0/24		256
214.26.107.0/24		256
214.26.108.0/24		256
214.26.109.0/24		256
214.26.110.0/24		256
214.26.111.0/24		256
214.26.112.0/24		256
214.26.113.0/24		256
214.26.114.0/24		256
214.26.115.0/24		256
214.26.116.0/24		256
214.26.117.0/24		256
214.26.118.0/24		256
214.26.119.0/24		256
214.26.120.0/24		256
214.26.121.0/24		256
214.26.122.0/24		256
214.26.123.0/24		256
214.26.124.0/24		256
214.26.125.0/24		256
214.26.126.0/24		256
214.26.127.0/24		256
214.26.128.0/21		2,048
215.65.160.0/19		8,192
215.65.176.0/20		4,096
2608:187:1c::/48	United States Department of Defense (DoD)	1.21 × 10²⁴

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS571

0 peers

AS571 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS571

1 upstreams

AS27064

AS571 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS571 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS571

0 downstreams

AS571 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.