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ASN Lookup Tool
AS40831 PHS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS40831
Organisation
Mass General Brigham Incorporated
Name
PHS
Total IPv4 Addresses
197,120
Total IPv4 Prefixes
5
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,113 out of 77,680
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2017-07-25
Registration Last Change
2017-07-25
Receiving From

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

ASN
Organisation
AS46887
US flagCrown Castle Fiber LLC
AS40127
US flagLongwood Medical and Academic Area (LMA)
AS7015
US flagComcast Cable Communications, LLC
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS394784
US flagMassachusetts Eye and Ear Infirmary
IPv4 Active Prefixes

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

Prefix50.216.106.0/24
Range From50.216.106.0
Range To50.216.106.255
Prefix132.183.0.0/16
Range From132.183.0.0
Range To132.183.255.255
Prefix155.52.0.0/16
Range From155.52.0.0
Range To155.52.255.255
Prefix160.72.231.0/24
Range From160.72.231.0
Range To160.72.231.255
Prefix170.223.0.0/16
Range From170.223.0.0
Range To170.223.255.255
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.