Data as of Nov 3, 2026

167.242.128.0/17

No anonymizer space · no proxy exits in 30 days

Blue Cross Blue Shield of Michigan Mutual Insurance · space held by Blue Cross Blue Shield of Michigan

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

>99% of it

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
167.242.0.0/16 since Feb 2018	AS30356	Business	1	Blue Cross Blue Shield of Michigan

More specific

Prefix	Origin	Type	Holder	RPKI
167.242.233.0/24 since Oct 2018	AS3356	Unknown	Blue Cross Blue Shield of Michigan

The types across the prefix's announced space, by addresses.

Announced space

Announced space

32,768 addresses

Type	Addresses	Share	Ranges
Business	32,512	>99%	2
Unknown	256	0.78%	1

Origin network

Name: Blue Cross Blue Shield of Michigan Mutual Insurance
Type: Business
Registered: Nov 6, 2017
Domain: bcbsm.com
Industry: Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
Spamhaus ASN-DROP: not listed