IPv6 prefix

2001:250:2000:0:0:0:0:0/44

IP Prefix (CIDR): 2001:250:2000:0:0:0:0:0/44
Address Count: 1.9343 x 10^25
IP Range: 2001:250:2000:0:0:0:0:0 - 2001:250:200f:ffff:ffff:ffff:ffff:ffff
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Li Xing
Handle: LX58-AP
Country: China (CN)
Address: China Education and Research Network China Education and Research Network Center Tsinghua University Beijing, 100084 CN
Registry: APNIC
Registered Prefix: 2001:250::/32 (2001:250:0:0:0:0:0:0 - 2001:250:ffff:ffff:ffff:ffff:ffff:ffff)
Delegated Prefix: 2001:250:4000::/34 (2001:250:4000:0:0:0:0:0 - 2001:250:7fff:ffff:ffff:ffff:ffff:ffff)

Registration 2 of 2

Owner: CERNET Helpdesk
Handle: CER-AP
Country: China (CN)
Address: CERNET Center Beijing 100084, China
Registry: APNIC
Registered Prefix: 2001:250:2000::/48 (2001:250:2000:0:0:0:0:0 - 2001:250:2000:ffff:ffff:ffff:ffff:ffff)
Delegated Prefix: 2001:250:2000::/35 (2001:250:2000:0:0:0:0:0 - 2001:250:3fff:ffff:ffff:ffff:ffff:ffff)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
2001:250:2000:0:0:0:0:0/44	Exact	AS24355	CERNET2 IX at University of Electronic Science and Technology of China	China (CN)	2001:250:2000:0:0:0:0:0	2001:250:200f:ffff:ffff:ffff:ffff:ffff