AS231

Summary

Country	United States
Organization	Michigan State University
Domain	msu.edu
Number of IPv4	789,504
Number of IPv6	7.9229× 1028
AS Type	Education
Registry	ARIN
Allocated	June 28, 2021 (about 3 years ago)
Updated	June 28, 2021 (about 3 years ago)

IP Ranges

AS231 announces 7 IPv4 ranges and 2 IPv6 ranges.

That's a total of 789,504 IPv4 addresses and 7.9229× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
35.8.0.0/13	Michigan State University	524,288	ARIN	REASSIGNMENT
35.12.240.0/21	Michigan State University	2,048	ARIN	REASSIGNMENT
35.20.0.0/14	Michigan State University	262,144	ARIN	REASSIGNMENT
192.108.188.0/24	Michigan State University	256	ARIN	ALLOCATION
192.108.190.0/24	Michigan State University	256	ARIN	ALLOCATION
192.108.191.0/24	Michigan State University	256	ARIN	ALLOCATION
192.231.113.0/24	Michigan State University	256	ARIN	ALLOCATION

Prefix	Organization	Size	Registry	Status
2605:dd00::/32	Michigan State University	7.9228× 1028	ARIN	ALLOCATION
2605:dd00:8000::/48	Michigan State University	1.2089× 1024	ARIN	ALLOCATION

Peers

AS231 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.

Upstreams

AS231 connects to the global Internet via at least 3 upstream providers. In this setup, AS231 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS231 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS231's role in extending Internet access beyond its own infrastructure.