ASN Lookup Tool
AS5653 UCSF

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS5653
Organisation
University of California San Francisco
Name
UCSF
Total IPv4 Addresses
196114
Total IPv4 Prefixes
64
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,158 out of 76,863
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1995-07-27
Registration Last Change
2023-08-31
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagCalifornia State University, Office of the Chanc..
US flagZayo Bandwidth
US flagCalifornia State University, Office of the Chanc..
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From64.54.0.0
Range To64.54.3.255
Range From64.54.4.0
Range To64.54.4.255
Range From64.54.5.0
Range To64.54.5.255
Range From64.54.6.0
Range To64.54.6.255
Range From64.54.7.0
Range To64.54.7.255
Showing 5 of 64
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.