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ASN Lookup Tool
AS370 DNIC-ASBLK-00306-00371

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS370
Organisation
United States Department of Defense (DoD)
Name
DNIC-ASBLK-00306-00371
Total IPv4 Addresses
262,144
Total IPv4 Prefixes
208
Total IPv6 Prefixes
10
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#951 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
AS306
US flagUnited States Department of Defense (DoD)
IPv4 Active Prefixes
PrefixRange FromRange To
55.54.0.0/1755.54.0.055.54.127.255
55.54.128.0/1855.54.128.055.54.191.255
55.54.192.0/2155.54.192.055.54.199.255
55.54.200.0/2255.54.200.055.54.203.255
55.54.204.0/2455.54.204.055.54.204.255
Showing 5 of 208
IPv6 Active Prefixes
PrefixRange FromRange To
2608:10a:6000::/482608:10a:6000::2608:10a:6000:ffff:ffff:ffff:ffff:ffff
2608:10a:6001::/482608:10a:6001::2608:10a:6001:ffff:ffff:ffff:ffff:ffff
2608:10a:6002::/482608:10a:6002::2608:10a:6002:ffff:ffff:ffff:ffff:ffff
2608:10a:6003::/482608:10a:6003::2608:10a:6003:ffff:ffff:ffff:ffff:ffff
2608:10a:6004::/462608:10a:6004::2608:10a:6007:ffff:ffff:ffff:ffff:ffff
Showing 5 of 10