AS24572

Summary

Country	Japan
Organization	Yahoo Japan
Domain	yahoo.co.jp
Number of IPv4	119,808
Number of IPv6	7.9228× 1028
AS Type	Business
Registry	APNIC
Allocated	January 01, 1970 (about 56 years ago)
Updated	May 18, 2021 (about 4 years ago)

IP Ranges

AS24572 announces 5 IPv4 ranges and 1 IPv6 range.

That's a total of 119,808 IPv4 addresses and 7.9228× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
103.2.72.0/22	Yahoo Japan	1,024	APNIC	ALLOCATED PORTABLE
114.110.48.0/20	Yahoo Japan	4,096	APNIC	ALLOCATED PORTABLE
114.111.64.0/18	Yahoo Japan	16,384	APNIC	ALLOCATED PORTABLE
124.83.128.0/17	Yahoo Japan	32,768	APNIC	ALLOCATED PORTABLE
183.79.0.0/16	Yahoo Japan	65,536	APNIC	ALLOCATED PORTABLE

Prefix	Organization	Size	Registry	Status
2400:7e00::/32	Yahoo Japan	7.9228× 1028	APNIC	ALLOCATED PORTABLE

Peers

AS24572 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

AS24572 connects to the global Internet via at least 3 upstream providers. In this setup, AS24572 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS24572 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS24572's role in extending Internet access beyond its own infrastructure.