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ASN Lookup Tool
AS26397 OPTIPUTER

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS26397
Organisation
The Regents of the University of California - Un..
Name
OPTIPUTER
Total IPv4 Addresses
8,960
Total IPv4 Prefixes
4
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#10,036 out of 77,680
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2006-12-21
Registration Last Change
2015-10-19
Receiving From

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

ASN
Organisation
AS7377
US flagUniversity of California, San Diego
AS2153
US flagCENIC
IPv4 Active Prefixes

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

Prefix67.58.32.0/20
Range From67.58.32.0
Range To67.58.47.255
Prefix67.58.48.0/20
Range From67.58.48.0
Range To67.58.63.255
Prefix169.228.130.0/23
Range From169.228.130.0
Range To169.228.131.255
Prefix169.228.132.0/24
Range From169.228.132.0
Range To169.228.132.255
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.