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ASN Lookup Tool
AS1554 DNIC-ASBLK-01550-01601

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1554
Organisation
United States Department of Defense (DoD)
Name
DNIC-ASBLK-01550-01601
Total IPv4 Addresses
237,824
Total IPv4 Prefixes
27
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,004 out of 79,194
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2025-09-12
Receiving From
ASN
Organisation
AS367
US flagUnited States Department of Defense (DoD)
Transit To
ASN
Organisation
AS1556
US flagUnited States Department of Defense (DoD)
AS1580
US flagUnited States Department of Defense (DoD)
AS1563
US flagUnited States Department of Defense (DoD)
AS1559
US flagUnited States Department of Defense (DoD)
AS1566
US flagUnited States Department of Defense (DoD)
Showing 5 of 13
IPv4 Active Prefixes
PrefixRange FromRange To
6.64.1.0/246.64.1.06.64.1.255
6.127.0.0/166.127.0.06.127.255.255
136.207.128.0/17136.207.128.0136.207.255.255
136.210.0.0/17136.210.0.0136.210.127.255
136.210.128.0/18136.210.128.0136.210.191.255
Showing 5 of 27