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ASN Lookup Tool
AS12122 STJHS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12122
Organisation
St. Joseph Health System
Name
STJHS
Total IPv4 Addresses
2304
Total IPv4 Prefixes
7
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#21,398 out of 77,396
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2021-02-18
Registration Last Change
2021-02-22
Receiving From

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

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS19108
US flagOptimum
AS32787
US flagAkamai Technologies, Inc.
IPv4 Active Prefixes

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

Prefix156.72.30.0/23
Range From156.72.30.0
Range To156.72.31.255
Prefix156.72.150.0/24
Range From156.72.150.0
Range To156.72.150.255
Prefix156.72.153.0/24
Range From156.72.153.0
Range To156.72.153.255
Prefix156.72.155.0/24
Range From156.72.155.0
Range To156.72.155.255
Prefix156.72.160.0/23
Range From156.72.160.0
Range To156.72.161.255
Showing 5 of 7
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.