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Organization

NORTHWESTERN CORPORATION

IPv4 addresses
3,840
CIDR ranges
4
Category
unknown
BGP prefixes announced
15

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 →

Countries served by NORTHWESTERN CORPORATION

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

ASNs owned by NORTHWESTERN CORPORATION

ASNNameIPsPrefixesCountry
AS22629 NORTHWESTERN CORPORATION 3.1K 2 US
AS15157 NORTHWESTERN CORPORATION 768 2 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
199.96.16.0/21 2.0K
0.0%
AS22629 US Montana Butte
199.96.24.0/22 1.0K
0.0%
AS22629 US
199.3.108.0/23 512
0.0%
AS15157 US Montana Butte
206.107.235.0/24 256
0.0%
AS15157 US Montana Butte

Frequently Asked Questions

How many IP addresses does NORTHWESTERN CORPORATION own?

NORTHWESTERN CORPORATION controls 3.8K IPv4 addresses distributed across 4 CIDR ranges. The organization is registered in United States.

What ASNs does NORTHWESTERN CORPORATION operate?

NORTHWESTERN CORPORATION operates 2 Autonomous Systems. Each ASN represents an independently routed network that NORTHWESTERN CORPORATION manages for internet traffic delivery.

What type of organization is NORTHWESTERN CORPORATION?

NORTHWESTERN CORPORATION is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-30 19:10:31 UTC
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