AS62523

Summary

Country	United States
Organization	CIRBN, LLC
Domain	cirbn.org
Number of IPv4	16,640
Number of IPv6	0
AS Type	ISP
Registry	ARIN
Allocated	June 21, 2013 (about 12 years ago)
Updated	June 21, 2013 (about 12 years ago)

IP Ranges

AS62523 announces 18 IPv4 ranges and 0 IPv6 range.

That's a total of 16,640 IPv4 address and 0 IPv6 address.

Prefix	Organization	Size	Registry	Status
38.89.244.0/22	Cogent Communications	1,024	ARIN	ALLOCATION
64.150.64.0/24	Illinois Century Network	256	ARIN	ALLOCATION
76.78.250.0/24	BOLD-EUREKACOLLEGE	256	ARIN	REASSIGNMENT
107.152.0.0/20	CIRBN, LLC	4,096	ARIN	ALLOCATION
158.222.16.0/22	Mr Systems Wireless, LLC	1,024	ARIN	ALLOCATION
158.222.20.0/24	Mr Systems Wireless, LLC	256	ARIN	ALLOCATION
158.222.21.0/24	Mr Systems Wireless, LLC	256	ARIN	ALLOCATION
158.222.22.0/24	Mr Systems Wireless, LLC	256	ARIN	ALLOCATION
162.222.8.0/21	Gridley Communications	2,048	ARIN	ALLOCATION
199.38.32.0/20	CIRBN, LLC	4,096	ARIN	ALLOCATION
216.124.156.0/22	Illinois Century Network	1,024	ARIN	ALLOCATION
216.125.236.0/24	Illinois Century Network	256	ARIN	ALLOCATION
216.125.237.0/24	Illinois Century Network	256	ARIN	ALLOCATION
216.125.238.0/24	Illinois Century Network	256	ARIN	ALLOCATION
216.125.239.0/24	Illinois Century Network	256	ARIN	ALLOCATION
216.125.243.0/24	Illinois Century Network	256	ARIN	ALLOCATION
216.125.244.0/23	Illinois Century Network	512	ARIN	ALLOCATION
216.125.246.0/24	Illinois Century Network	256	ARIN	ALLOCATION

Peers

AS62523 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

AS62523 connects to the global Internet via at least 3 upstream providers. In this setup, AS62523 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS62523 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS62523's role in extending Internet access beyond its own infrastructure.