1 / 10
Lookups
0
Issues
524,288
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:137.208.0.0/16 include:spf.protection.outlook.com ?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
?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 ?all
6 x ip4 5 x ip6 -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