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ASN Lookup Tool
AS40427 IRONPORT-SYSTEMS-CI365

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS40427
Organisation
Cisco Systems Ironport Division
Name
IRONPORT-SYSTEMS-CI365
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#55,539 out of 77,235
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2007-02-16
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
AS16417
US flagCisco Systems Ironport Division
IPv4 Active Prefixes

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

Prefix194.165.198.0/24
Range From194.165.198.0
Range To194.165.198.255
Prefix194.165.199.0/24
Range From194.165.199.0
Range To194.165.199.255
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.