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ASN Lookup Tool
AS54152 BSC-BRANCHOFFICE01

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS54152
Organisation
Blue Shield of California
Name
BSC-BRANCHOFFICE01
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
#53,802 out of 77,301
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2011-10-13
Registration Last Change
2021-08-11
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS209
US flagCenturyLink Communications, LLC
IPv4 Active Prefixes

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

Prefix165.253.45.0/24
Range From165.253.45.0
Range To165.253.45.255
Prefix165.253.146.0/24
Range From165.253.146.0
Range To165.253.146.255
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.