10 / 10
Lookups
0
Issues
2,696
IPv4 addresses
1.21 ⋅ 10
24
IPv6 addresses
Terms
redirect=
spf.cernet.edu.cn
Redirect to this SPF record.
Included records
v=spf1 redirect=spf.cernet.edu.cn
8 x ip4 include:spf.nic.edu.cn include:spf.icoremail.net -all
5 x ip4 2 x ip6 -all
include:spf1.icoremail.net include:spf2.icoremail.net ~all
10 x ip4 ~all
a:aliyun-cloud.icoremail.net a:l-sdnproxy.icoremail.net a:do-sdnproxy.icoremail.net a:azure-sdnproxy.icoremail.net a:hw-sdnproxy.icoremail.net 4 x ip4 ~all
IP ranges
101.6.4.0
/ 24
China Education and Research Network Center
AS4538
101.6.4.0 - 101.6.4.255
256 IP addresses
166.111.204.0
/ 24
China Education and Research Network Center
AS4538
166.111.204.0 - 166.111.204.255
256 IP addresses
166.111.2.24
/ 29
China Education and Research Network Center
AS4538
166.111.2.24 - 166.111.2.31
8 IP addresses
59.66.3.24
/ 29
China Education and Research Network Center
AS4538
59.66.3.24 - 59.66.3.31
8 IP addresses
101.5.3.24
/ 29
China Education and Research Network Center
AS4538
101.5.3.24 - 101.5.3.31
8 IP addresses
101.6.3.24
/ 29
China Education and Research Network Center
AS4538
101.6.3.24 - 101.6.3.31
8 IP addresses
183.172.3.24
/ 29
China Education and Research Network Center
AS4538
183.172.3.24 - 183.172.3.31
8 IP addresses
183.173.3.24
/ 29
China Education and Research Network Center
AS4538
183.173.3.24 - 183.173.3.31
8 IP addresses
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
China Next Generation Internet CERNET2
AS23910
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
China Next Generation Internet CERNET2
AS23910
2001:250:2::
2001:250:2:0:ffff:ffff:ffff:ffff
157.255.37.64
/ 27
China Unicom Guangdong IP network
AS136958
157.255.37.64 - 157.255.37.95
32 IP addresses
101.71.145.0
/ 26
CHINA UNICOM China169 Backbone
AS4837
101.71.145.0 - 101.71.145.63
64 IP addresses
112.13.121.64
/ 26
China Mobile communications
AS56041
112.13.121.64 - 112.13.121.127
64 IP addresses
101.71.154.32
/ 27
CHINA UNICOM China169 Backbone
AS4837
101.71.154.32 - 101.71.154.63
32 IP addresses