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ASN Lookup Tool
AS7377 UCSD

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS7377
Organisation
University of California, San Diego
Name
UCSD
Total IPv4 Addresses
12,140,554
Total IPv4 Prefixes
736
Total IPv6 Prefixes
34
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#38 out of 79,094
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1996-11-25
Registration Last Change
2023-12-19
Receiving From
ASN
Organisation
AS2152
US flagCENIC
AS195
US flagSan Diego Supercomputer Center
AS2153
US flagCENIC
Transit To
ASN
Organisation
AS26397
US flagThe Regents of the University of California - Un..
IPv4 Active Prefixes
PrefixRange FromRange To
44.0.0.0/1644.0.0.044.0.255.255
44.1.0.0/2444.1.0.044.1.0.255
44.1.4.0/2244.1.4.044.1.7.255
44.1.11.0/2444.1.11.044.1.11.255
44.1.12.0/2244.1.12.044.1.15.255
Showing 5 of 736
IPv6 Active Prefixes
PrefixRange FromRange To
2001:48d0:c000::/342001:48d0:c000::2001:48d0:ffff:ffff:ffff:ffff:ffff:ffff
2607:f380:1::118:9a41:7380/1222607:f380:1::118:9a41:73802607:f380:1::118:9a41:73bf
2607:f720::/362607:f720::2607:f720:fff:ffff:ffff:ffff:ffff:ffff
2607:f720:1000::/382607:f720:1000::2607:f720:13ff:ffff:ffff:ffff:ffff:ffff
2607:f720:1400::/392607:f720:1400::2607:f720:15ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 34