Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

ASN	142689
Name	AS142689-40 - China Education and Research Network (CERNET)
Country	China
Registry	APNIC

IPv4 addresses	0
IPv6 /64 networks	232
Prefixes	2

IPv6 Prefixes for AS142689 - showing the first 1 of 2 networks

Network		Location	/64 Prefixes
240a:a027:1::/48	AS142689-40 - China Education and Research Network	Haidian (Haidian Qu)	216