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ASN Lookup Tool
AS131 UCSB-NET-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS131
Organisation
University of California, Santa Barbara
Name
UCSB-NET-AS
Total IPv4 Addresses
132,100
Total IPv4 Prefixes
7
Total IPv6 Prefixes
3
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,568 out of 79,162
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2024-04-26
Receiving From
ASN
Organisation
AS2152
US flagCENIC
AS2153
US flagCENIC
IPv4 Active Prefixes
PrefixRange FromRange To
128.111.0.0/16128.111.0.0128.111.255.255
137.164.23.8/31137.164.23.8137.164.23.9
137.164.23.90/31137.164.23.90137.164.23.91
169.231.0.0/16169.231.0.0169.231.255.255
192.35.222.0/24192.35.222.0192.35.222.255
Showing 5 of 7
IPv6 Active Prefixes
PrefixRange FromRange To
2607:f378::/322607:f378::2607:f378:ffff:ffff:ffff:ffff:ffff:ffff
2607:f380:1::118:9a41:7080/1232607:f380:1::118:9a41:70802607:f380:1::118:9a41:709f
2607:f380:1::118:9a41:75a0/1232607:f380:1::118:9a41:75a02607:f380:1::118:9a41:75bf