AS30356

Summary

Country	United States
Organization	Blue Cross Blue Shield of Michigan Mutual Insurance
Domain	bcbsm.com
Number of IPv4	100,096
Number of IPv6	0
AS Type	Business
Registry	ARIN
Allocated	November 06, 2017 (about 8 years ago)
Updated	November 06, 2017 (about 8 years ago)

IP Ranges

AS30356 announces 9 IPv4 ranges and 0 IPv6 range.

That's a total of 100,096 IPv4 address and 0 IPv6 address.

Prefix	Organization	Size	Registry	Status
12.107.172.0/24	BCBS OF MI	256	ARIN	REASSIGNMENT
12.176.249.0/24	BCBS OF MI	256	ARIN	REASSIGNMENT
12.231.98.0/24	BCBS OF MI	256	ARIN	REASSIGNMENT
167.242.0.0/16	Blue Cross Blue Shield of Michigan	65,536	ARIN	ALLOCATION
167.242.45.0/24	Blue Cross Blue Shield of Michigan	256	ARIN	ALLOCATION
167.242.46.0/24	Blue Cross Blue Shield of Michigan	256	ARIN	ALLOCATION
167.242.123.0/24	Blue Cross Blue Shield of Michigan	256	ARIN	ALLOCATION
167.242.124.0/24	Blue Cross Blue Shield of Michigan	256	ARIN	ALLOCATION
167.242.128.0/17	Blue Cross Blue Shield of Michigan	32,768	ARIN	ALLOCATION

Peers

AS30356 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS30356 connects to the global Internet via at least 2 upstream providers. In this setup, AS30356 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS30356 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.