2 / 10
Lookups
0
Issues
524,292
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:137.208.0.0/16 include:spf.protection.outlook.com include:_spf.cna.at ?all
Copied
Terms
ip4:
137.208.0.0 / 16
pass
if the sender's IP is between
137.208.0.0 and 137.208.255.255 (inclusive).
137.208.0.0 and 137.208.255.255 (inclusive).
WU (Wirtschaftsuniversitaet Wien) - Vienna University of Economics and Business
AS1776
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
include:
_spf.cna.at
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ip4:137.208.0.0/16 include:spf.protection.outlook.com include:_spf.cna.at ?all
6 x ip4 5 x ip6 -all
4 x ip4 -all
IP ranges
137.208.0.0
/ 16
WU (Wirtschaftsuniversitaet Wien) - Vienna University of Economics and Business
AS1776
137.208.0.0 - 137.208.255.255
65,536 IP addresses
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff