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ASN Lookup Tool
AS823 UWO-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS823
Organisation
University of Western Ontario
Name
UWO-AS
Total IPv4 Addresses
65,792
Total IPv4 Prefixes
32
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,873 out of 77,680
Registry
Arin
Registered Country
CA flag CA
Registered Country Name
Canada
Registered Date
1994-03-11
Registration Last Change
2021-05-05
Receiving From

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

ASN
Organisation
AS11670
CA flagToronto Internet Exchange Community
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS3303
CH flagSwisscom (Schweiz) AG
AS13335
US flagCloudflare, Inc.
Showing 5 of 15
IPv4 Active Prefixes

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

Prefix129.100.0.0/24
Range From129.100.0.0
Range To129.100.0.255
Prefix129.100.1.0/24
Range From129.100.1.0
Range To129.100.1.255
Prefix129.100.2.0/23
Range From129.100.2.0
Range To129.100.3.255
Prefix129.100.4.0/22
Range From129.100.4.0
Range To129.100.7.255
Prefix129.100.8.0/21
Range From129.100.8.0
Range To129.100.15.255
Showing 5 of 32
IPv6 Active Prefixes
Prefix2605:500::/32
Range From2605:500::
Range To2605:500:ffff:ffff:ffff:ffff:ffff:ffff
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.