ASN Lookup Tool

Mass General Brigham Incorporated mgb.org US US 5 Routes

AS Data

AS40831

AS40831 – Mass General Brigham Incorporated

AS Number 40831
AS Name PHS
Organization Mass General Brigham Incorporated(phs-8)
Country US
Website mgb.org
Number of IPv4 Routes 5
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2017-07-25

ASN Intelligence API for production workflows

Use ASN data for AS40831 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
160.72.231.0/24 256
132.183.0.0/16 65536
50.216.106.0/24 256
155.52.0.0/16 65536
170.223.0.0/16 65536

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       40831
ASName:         PHS
ASHandle:       AS40831
RegDate:        2017-07-25
Updated:        2017-07-25    
Ref:            https://rdap.arin.net/registry/autnum/40831


OrgName:        Mass General Brigham Incorporated
OrgId:          PHS-8
Address:        Brigham & Womens Hospital Information Systems 10 Vining Street
City:           Boston
StateProv:      MA
PostalCode:     02115
Country:        US
RegDate:        1995-07-14
Updated:        2025-09-29
Ref:            https://rdap.arin.net/registry/entity/PHS-8


OrgAbuseHandle: MCCAN128-ARIN
OrgAbuseName:   McCann, Thomas  
OrgAbusePhone:  +1-857-214-1079 
OrgAbuseEmail:  tmccann@mgb.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCCAN128-ARIN

OrgTechHandle: MCCAN128-ARIN
OrgTechName:   McCann, Thomas  
OrgTechPhone:  +1-857-214-1079 
OrgTechEmail:  tmccann@mgb.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MCCAN128-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS7015 Comcast Cable Communications, LLC US
AS394784 Massachusetts Eye and Ear Infirmary US
AS40127 Longwood Medical and Academic Area LMA US
AS40127 Longwood Medical and Academic Area (LMA) US

Upstreams

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS7015 Comcast Cable Communications, LLC US
AS40127 Longwood Medical and Academic Area LMA US

Downstreams

AS Number Description Country
AS394784 Massachusetts Eye and Ear Infirmary US

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Frequently Asked Questions

ASN AS40831 is an Autonomous System Number used to identify a network for BGP internet routing.
AS40831 is listed under Mass General Brigham Incorporated.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.