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Autonomous System details for AS1555

AS1555
United States Department of Defense (DoD) • mail.mil

AS1555 — United States Department of Defense (DoD)

AS Name
DNIC-ASBLK-01550-01601
Country
United States (US)
Website
Number of IPv4
66,048
Number of IPv6
0
ASN type
Government
Status
Assigned
Registry
ARIN
Allocated
April 03, 2006
Last updated
September 12, 2025

IP Ranges

3 IPv4 prefixes
Prefix Company Number of IPs
136.210.0.0/16 Headquarters, USAISC 65,536
139.139.99.0/24 Headquarters, USAISC 256
143.86.204.0/24 Headquarters, USAISC 256

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 AS1555

0 peers

AS1555 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 AS1555

1 upstreams

AS1555 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS1555 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS1555

1 downstreams

AS1555 provides internet connectivity to these downstream Autonomous Systems.

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.

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