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ASN Lookup Tool
AS1555 DNIC-ASBLK-01550-01601

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1555
Organisation
United States Department of Defense (DoD)
Name
DNIC-ASBLK-01550-01601
Total IPv4 Addresses
4,608
Total IPv4 Prefixes
7
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#14,836 out of 79,232
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
AS1554
US flagUnited States Department of Defense (DoD)
Transit To
ASN
Organisation
AS64701
WORLD flagPrivate Use AS
AS1501
US flagHeadquarters, USAISC
AS64712
WORLD flagPrivate Use AS
AS64752
WORLD flagPrivate Use AS
AS64702
WORLD flagPrivate Use AS
Showing 5 of 9
IPv4 Active Prefixes
PrefixRange FromRange To
136.210.225.0/24136.210.225.0136.210.225.255
136.210.226.0/23136.210.226.0136.210.227.255
136.210.228.0/22136.210.228.0136.210.231.255
136.210.232.0/21136.210.232.0136.210.239.255
139.139.99.0/24139.139.99.0139.139.99.255
Showing 5 of 7