ASN Lookup Tool
AS637 DoD Network Information Center

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.

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ASN Details

ASN
AS637
Organisation
DoD Network Information Center
AS Name
DNIC-ASBLK-00616-00665
IPv4 Addresses Announced
902,656
IPv4 Prefixes Announced
364
IPv6 Prefixes Announced
0
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#405 out of 75,562
Registry
Arin
Registered Country
US
Registration Date
1990-04-19
Registration Change
2009-06-18

Receiving From

ASN
Organisation
DoD Network Information Center
DoD Network Information Center
DoD Network Information Center
DoD Network Information Center