AS21737

Summary

Country	United States
Organization	SpringNet
Domain	springnet.net
Number of IPv4	26,368
Number of IPv6	7.9228× 1028
AS Type	ISP
Registry	ARIN
Allocated	June 18, 2001 (about 24 years ago)
Updated	September 29, 2005 (about 20 years ago)

IP Ranges

AS21737 announces 11 IPv4 ranges and 1 IPv6 range.

That's a total of 26,368 IPv4 addresses and 7.9228× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
64.22.224.0/19	SpringNet	8,192	ARIN	ALLOCATION
64.22.225.0/24	SpringNet	256	ARIN	ALLOCATION
64.22.242.0/24	Evangel University	256	ARIN	REASSIGNMENT
64.22.249.0/24	Drury University	256	ARIN	REASSIGNMENT
64.22.255.0/24	Whitesky Communications, Llc.	256	ARIN	REASSIGNMENT
66.119.0.0/19	SpringNet	8,192	ARIN	ALLOCATION
75.98.96.0/20	SpringNet	4,096	ARIN	ALLOCATION
75.98.102.0/24	City Utilities	256	ARIN	REASSIGNMENT
75.98.103.0/24	Losh Network Services	256	ARIN	REASSIGNMENT
76.77.128.0/20	Springnet Small Business	4,096	ARIN	REASSIGNMENT
198.246.200.0/24	General Council of The Assemblies of God	256	ARIN	ALLOCATION

Prefix	Organization	Size	Registry	Status
2001:49b8::/32	SpringNet	7.9228× 1028	ARIN	ALLOCATION

Peers

AS21737 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

AS21737 connects to the global Internet via at least 5 upstream providers. In this setup, AS21737 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS21737 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21737's role in extending Internet access beyond its own infrastructure.