1 / 10
Lookups
0
Issues
641
IPv4 addresses
1.21 ⋅ 10
24
IPv6 addresses
Terms
redirect=
spf.nic.edu.cn
Redirect to this SPF record.
Included records
IP ranges
202.112.0.0
/ 26
China Education and Research Network Center
AS4538
202.112.0.0 - 202.112.0.63
64 IP addresses
202.38.109.0
/ 24
China Education and Research Network Center
AS4538
202.38.109.0 - 202.38.109.255
256 IP addresses
101.4.62.0
/ 24
China Education and Research Network Center
AS4538
101.4.62.0 - 101.4.62.255
256 IP addresses
2001:250:c006::
/ 48
CERNET2 IX at Tsinghua University
AS24348
2001:250:c006::
2001:250:c006:ffff:ffff:ffff:ffff:ffff
1.51.2.0
/ 26
China Education and Research Network Center
AS4538
1.51.2.0 - 1.51.2.63
64 IP addresses
2001:250:2::
/ 64
CERNET2 IX at Tsinghua University
AS24348
2001:250:2::
2001:250:2:0:ffff:ffff:ffff:ffff