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ASN Lookup Tool
AS257 DNIC-AS-00257

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS257
Organisation
Navy Network Information Center (NNIC)
Name
DNIC-AS-00257
Total IPv4 Addresses
1,002
Total IPv4 Prefixes
10
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#43,236 out of 79,355
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2011-07-05
Receiving From
ASN
Organisation
AS2152
US flagCENIC
AS2153
US flagCENIC
IPv4 Active Prefixes
PrefixRange FromRange To
137.164.50.148/30137.164.50.148137.164.50.151
137.164.50.252/30137.164.50.252137.164.50.255
204.102.228.0/25204.102.228.0204.102.228.127
204.102.228.128/25204.102.228.128204.102.228.255
204.102.229.0/24204.102.229.0204.102.229.255
Showing 5 of 10
IPv6 Active Prefixes
PrefixRange FromRange To
2607:f380:1::118:9a43:2940/1222607:f380:1::118:9a43:29402607:f380:1::118:9a43:297f
2607:f380:1::118:9a43:2fc0/1222607:f380:1::118:9a43:2fc02607:f380:1::118:9a43:2fff
2607:f380:1::11c:c66e:6700/1232607:f380:1::11c:c66e:67002607:f380:1::11c:c66e:671f
2607:f380:804::/482607:f380:804::2607:f380:804:ffff:ffff:ffff:ffff:ffff