AS40831 Mass General Brigham Incorporated 🇺🇸 US

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes

197,120 (770 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS40831
Name: Mass General Brigham Incorporated
Organisation: Mass General Brigham Incorporated
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2017-07-25

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (20.0%) 0 invalid (0.0%) 4 no ROA (80.0%)

Whois

Fetched from whois.arin.net

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:        2026-07-09
Ref:            https://rdap.arin.net/registry/entity/PHS-8

OrgTechHandle: CHENN25-ARIN
OrgTechName:   Chen, Neal
OrgTechPhone:  +1-781-453-1422
OrgTechEmail:  ntchen@mgb.org
OrgTechRef:    https://rdap.arin.net/registry/entity/CHENN25-ARIN

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: SEVIG5-ARIN
OrgTechName:   Sevigny, Tim
OrgTechPhone:  +1-781-453-1415
OrgTechEmail:  tsevigny@mgb.org
OrgTechRef:    https://rdap.arin.net/registry/entity/SEVIG5-ARIN