AS139721

Summary

Country	China
Organization	China Telecom
Domain	chinatelecom.cn
Number of IPv4	2,048
Number of IPv6	1.9343× 1025
AS Type	Business
Registry	APNIC
Allocated	January 01, 1970 (about 56 years ago)
Updated	June 15, 2021 (about 3 years ago)

IP Ranges

AS139721 announces 1 IPv4 range and 1 IPv6 range.

That's a total of 2,048 IPv4 addresses and 1.9343× 10²⁵ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
124.73.136.0/21	Chinanet Anhui Province Network	2,048	APNIC	ALLOCATED PORTABLE

Prefix	Organization	Size	Registry	Status
240e:6:d800::/44	China Telecom	1.9343× 1025	APNIC	ALLOCATED PORTABLE

Peers

AS139721 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

AS139721 connects to the global Internet via at least 1 upstream provider. In this setup, AS139721 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS139721 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS139721's role in extending Internet access beyond its own infrastructure.