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ASN Lookup Tool
AS56 DNIC-AS-00056

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS56
Organisation
United States Department of Defense (DoD)
Name
DNIC-AS-00056
Total IPv4 Addresses
7,173,376
Total IPv4 Prefixes
1,420
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#64 out of 78,991
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1985-12-18
Registration Last Change
2025-09-12
Receiving From
ASN
Organisation
AS27064
US flagUnited States Department of Defense (DoD)
IPv4 Active Prefixes
PrefixRange FromRange To
128.26.115.0/24128.26.115.0128.26.115.255
129.48.0.0/16129.48.0.0129.48.255.255
129.51.3.0/24129.51.3.0129.51.3.255
129.51.5.0/24129.51.5.0129.51.5.255
129.51.100.0/24129.51.100.0129.51.100.255
Showing 5 of 1,420