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Organization

City of Chicago

IPv4 addresses
66,560
CIDR ranges
2
Category
government
BGP prefixes announced
11

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.

73/100
Moderate
How this score is built

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

Countries served by City of Chicago

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

ASNs owned by City of Chicago

ASNNameIPsPrefixesCountry
AS394534 City of Chicago 66.6K 2 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
167.165.0.0/16 65.5K
70.7%
AS394534 US Illinois Chicago
216.125.144.0/22 1.0K
2.7%
AS394534 US

Frequently Asked Questions

How many IP addresses does City of Chicago own?

City of Chicago controls 66.6K IPv4 addresses distributed across 2 CIDR ranges. The organization is registered in United States.

What ASNs does City of Chicago operate?

City of Chicago operates 1 Autonomous System. Each ASN represents an independently routed network that City of Chicago manages for internet traffic delivery.

What type of organization is City of Chicago?

City of Chicago is categorized as government. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-24 09:40:31 UTC
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