Summary

Country
US United States
Organization National Defense University
Domain ndu.edu
Number of IPv4 768
Number of IPv6 0
AS Type Education
Registry ARIN
Allocated September 06, 1995 (about 29 years ago)
Updated May 07, 2015 (about 9 years ago)

IP Ranges

AS5721 announces 2 IPv4 ranges and 0 IPv6 range.

That's a total of 768 IPv4 address and 0 IPv6 address.

Prefix Organization Size Registry Status
216.21.18.0/23
US National Defense University
512 ARIN ALLOCATION
216.21.19.0/24
US National Defense University
256 ARIN ALLOCATION

Peers

There is no peer for AS5721.

Upstreams

There are 2 upstreams for AS5721:

Downstreams

There is no downstream for AS5721.

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