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ASN Lookup Tool
AS40831 PHS

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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
#1,159 out of 79,039
Registry
Arin
Registered Country
US flagUS
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).

PrefixRange FromRange To
50.216.106.0/2450.216.106.050.216.106.255
132.183.0.0/16132.183.0.0132.183.255.255
155.52.0.0/16155.52.0.0155.52.255.255
160.72.231.0/24160.72.231.0160.72.231.255
170.223.0.0/16170.223.0.0170.223.255.255