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ASN Lookup Tool
AS39961 CCSF

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS39961
Organisation
San Francisco Department of Telecommunications a..
Name
CCSF
Total IPv4 Addresses
58,624
Total IPv4 Prefixes
24
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,892 out of 79,080
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2012-03-02
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS33651
US flagComcast Cable Communications, LLC
AS11404
US flagWave Broadband
IPv4 Active Prefixes
PrefixRange FromRange To
208.121.0.0/24208.121.0.0208.121.0.255
208.121.1.0/24208.121.1.0208.121.1.255
208.121.5.0/24208.121.5.0208.121.5.255
208.121.6.0/24208.121.6.0208.121.6.255
208.121.10.0/24208.121.10.0208.121.10.255
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