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ASN Lookup Tool
AS1637 DNIC-AS-01637

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1637
Organisation
Headquarters, USAISC
Name
DNIC-AS-01637
Total IPv4 Addresses
200,704
Total IPv4 Prefixes
241
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,109 out of 79,377
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2011-08-24
Receiving From
ASN
Organisation
AS27066
US flagUnited States Department of Defense (DoD)
IPv4 Active Prefixes
PrefixRange FromRange To
6.16.88.0/246.16.88.06.16.88.255
6.16.89.0/246.16.89.06.16.89.255
6.134.24.0/226.134.24.06.134.27.255
143.46.0.0/22143.46.0.0143.46.3.255
143.46.4.0/24143.46.4.0143.46.4.255
Showing 5 of 241
IPv6 Active Prefixes
PrefixRange FromRange To
2608:c141:30::/482608:c141:30::2608:c141:30:ffff:ffff:ffff:ffff:ffff