AS33189

Summary

Country	United States
Organization	South Dakota Board of Regents
Domain	sdbor.edu
Number of IPv4	2,048
Number of IPv6	7.9228× 1028
AS Type	Education
Registry	ARIN
Allocated	October 20, 2004 (about 20 years ago)
Updated	January 02, 2024 (about 1 year ago)

IP Ranges

AS33189 announces 5 IPv4 ranges and 1 IPv6 range.

That's a total of 2,048 IPv4 addresses and 7.9228× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
151.159.220.0/23	South Dakota School of Mines & Technology	512	ARIN	ALLOCATION
151.159.222.0/23	South Dakota School of Mines & Technology	512	ARIN	ALLOCATION
206.71.32.0/24	South Dakota State Government	256	ARIN	ALLOCATION
206.176.14.0/23	University of South Dakota	512	ARIN	REASSIGNMENT
206.176.18.0/24	South Dakota Board of Regents	256	ARIN	REASSIGNMENT

Prefix	Organization	Size	Registry	Status
2607:f558::/32	South Dakota Board of Regents	7.9228× 1028	ARIN	ALLOCATION

Peers

AS33189 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

AS33189 connects to the global Internet via at least 5 upstream providers. In this setup, AS33189 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS33189 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS33189's role in extending Internet access beyond its own infrastructure.