ASN Lookup Tool
AS239 UTORONTO-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS239
Organisation
University of Toronto
Name
UTORONTO-AS
Total IPv4 Addresses
331264
Total IPv4 Prefixes
15
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#773 out of 76,906
Registry
Arin
Registered Country
CA flag CA
Registered Country Name
Canada
Registered Date
1988-09-20
Registration Last Change
2009-07-31
Receiving From

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

ASN
Organisation
CA flagGTAnet Networking
IPv4 Active Prefixes

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

Showing 5 of 15
IPv6 Active Prefixes
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.