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ASN Lookup Tool
AS14 COLUMBIA-GW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS14
Organisation
Columbia University
Name
COLUMBIA-GW
Total IPv4 Addresses
208,896
Total IPv4 Prefixes
11
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,092 out of 79,140
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1970-01-01
Registration Last Change
2010-06-28
Receiving From
ASN
Organisation
AS174
US flagCogent Communications
AS3630
US flagNYSERNet
AS3754
US flagNYSERNet
IPv4 Active Prefixes
PrefixRange FromRange To
128.59.0.0/16128.59.0.0128.59.255.255
129.236.0.0/16129.236.0.0129.236.255.255
160.39.0.0/16160.39.0.0160.39.255.255
192.5.43.0/24192.5.43.0192.5.43.255
192.12.82.0/24192.12.82.0192.12.82.255
Showing 5 of 11
IPv6 Active Prefixes
PrefixRange FromRange To
2001:18d8::/322001:18d8::2001:18d8:ffff:ffff:ffff:ffff:ffff:ffff