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CIDR
/18 · 16.4K IPs
ASN
Blue Cross Blue Shield of Michigan Mutual Insurance
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

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.

76/100
Moderate
How this score is built

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

Network Allocation for 167.242.64.100

CIDR range
167.242.64.0/18
IP range (int)
2,817,671,168 — 2,817,687,551
Prefix length
/18
Organization
Blue Cross Blue Shield of Michigan Mutual Insurance
ASN
AS30356
ASN name
Blue Cross Blue Shield of Michigan Mutual Insurance
Location
Detroit, Michigan, United States
Coordinates
42.396500, -83.249900
Accuracy radius
20 km
Postal code
48223
Regional Internet Registry
ARIN
Allocated
1993-11-19
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-07 09:24:12

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
5,336
Last seen
2026-07-19 22:04:33

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation US

See the full history for 167.240.0.0/14.

Frequently Asked Questions

Who owns 167.242.64.100?

167.242.64.100 is allocated to Blue Cross Blue Shield of Michigan Mutual Insurance (AS30356), registered in Detroit, United States.

Where is 167.242.64.100 located?

The geolocation for 167.242.64.100 maps to Detroit, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 167.242.64.100 on?

167.242.64.100 belongs to the 167.242.64.0/18 network block announced by AS30356. This range contains 16,384 addresses.

Does 167.242.64.100 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-19 22:05:02 UTC
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