ASN Lookup Tool
AS721 DoD Network Information Center

π

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS721

Powered By:

ASN Extended Info API

ASN Details

ASN
AS721
Organisation
DoD Network Information Center
AS Name
DNIC-ASBLK-00721-00726
IPv4 Addresses Announced
48,670,208
IPv4 Prefixes Announced
5,474
Bogon Prefixes Announced
9
IPv4 Space Rank
#5 out of 75,044
Registry
ARIN
Registered Country
US flag US
Registration Date
1970-01-01
Registration Change
2009-05-15

Receiving From

ASN
Organisation
ASN
Organisation
US flag ATT Services Inc.
ASN
Organisation
US flag Verizon Business
ASN
Organisation
DE flag Deutsche Telekom AG
ASN
Organisation
US flag Level 3 Parent LLC
ASN
Organisation
US flag Cogent Communications
ASN
Organisation
JP flag KDDI Corporation
ASN
Organisation
US flag CenturyLink Communications LLC
ASN
Organisation
US flag Sprint
ASN
Organisation
AU flag Telstra Corporation Limited
ASN
Organisation
US flag CenturyLink Communications LLC
Showing 10 of 50 Results View More >

Transit To

ASN
Organisation
ASN
Organisation
US flag DoD Network Information Center
ASN
Organisation
US flag DoD Network Information Center
ASN
Organisation
US flag DoD Network Information Center

Active Prefixes

Showing 10 of 5,474 Results View More >