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Organization

Mass General Brigham Incorporated

IPv4 addresses
197,120
CIDR ranges
5
Category
enterprise
BGP prefixes announced
5

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by Mass General Brigham Incorporated

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Mass General Brigham Incorporated

ASNNameIPsPrefixesCountry
AS40831 Mass General Brigham Incorporated 197.1K 5 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
132.183.0.0/16 65.5K
37.0%
AS40831 US Massachusetts Boston
155.52.0.0/16 65.5K
9.9%
AS40831 US Massachusetts East Weymouth
170.223.0.0/16 65.5K
29.4%
AS40831 US Massachusetts Roslindale
50.216.106.0/24 256
0.0%
AS40831 US
160.72.231.0/24 256
9.8%
AS40831 US

Frequently Asked Questions

How many IP addresses does Mass General Brigham Incorporated own?

Mass General Brigham Incorporated controls 197.1K IPv4 addresses distributed across 5 CIDR ranges. The organization is registered in United States.

What ASNs does Mass General Brigham Incorporated operate?

Mass General Brigham Incorporated operates 1 Autonomous System. Each ASN represents an independently routed network that Mass General Brigham Incorporated manages for internet traffic delivery.

What type of organization is Mass General Brigham Incorporated?

Mass General Brigham Incorporated is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-23 00:10:36 UTC
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