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Organization

Marsh & McLennan Companies, Inc.

IPv4 addresses
7,168
CIDR ranges
5
Category
unknown
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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Marsh & McLennan Companies, Inc. — global IP footprint

Cities where Marsh & McLennan Companies, Inc. has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Marsh & McLennan Companies, Inc.

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

ASNs owned by Marsh & McLennan Companies, Inc.

ASNNameIPsPrefixesCountry
AS132481 Marsh & McLennan Companies, Inc. 7.2K 5 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
168.168.128.0/20 4.1K
0.2%
AS132481 US
168.168.244.0/22 1.0K
0.0%
AS132481 US
168.168.252.0/22 1.0K
0.1%
AS132481 US
103.148.236.0/23 512
0.4%
AS132481 US
168.168.248.0/23 512
0.4%
AS132481 US
168.168.248.0/24 256
0.0%
AS132481 SG
168.168.249.0/24 256
0.0%
AS132481 US

Frequently Asked Questions

How many IP addresses does Marsh & McLennan Companies, Inc. own?

Marsh & McLennan Companies, Inc. controls 7.2K IPv4 addresses distributed across 5 CIDR ranges. The organization is registered in United States.

What ASNs does Marsh & McLennan Companies, Inc. operate?

Marsh & McLennan Companies, Inc. operates 1 Autonomous System. Each ASN represents an independently routed network that Marsh & McLennan Companies, Inc. manages for internet traffic delivery.

What type of organization is Marsh & McLennan Companies, Inc.?

Marsh & McLennan Companies, Inc. is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-29 15:25:31 UTC
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