<s>
Msnbot	B-Protocol
was	O
a	O
web-crawling	B-Application
robot	I-Application
(	O
type	O
of	O
internet	B-Protocol
bot	I-Protocol
)	O
,	O
deployed	O
by	O
Microsoft	O
to	O
collect	O
documents	O
from	O
the	O
web	O
to	O
build	O
a	O
searchable	O
index	O
for	O
the	O
MSN	B-Application
Search	I-Application
engine	I-Application
.	O
</s>
<s>
The	O
month	O
of	O
October	O
2010	O
saw	O
the	O
official	O
retirement	O
of	O
msnbot	B-Protocol
from	O
most	O
active	O
web	B-Application
crawling	I-Application
duties	O
and	O
its	O
replacement	O
by	O
bingbot	B-Protocol
.	O
</s>
<s>
As	O
of	O
September	O
2015	O
,	O
msnbot	B-Protocol
was	O
still	O
active	O
from	O
the	O
Microsoft	O
and	O
the	O
Bing	B-Application
webmaster	O
help	O
&	O
howto	O
documentation	O
still	O
indicated	O
that	O
msnbot	B-Protocol
was	O
active	O
(	O
but	O
that	O
it	O
would	O
retire	O
soon	O
)	O
.	O
</s>
<s>
The	O
verification	O
tool	O
for	O
bingbot	B-Protocol
previously	O
did	O
not	O
recognise	O
msnbot	B-Protocol
IP	O
addresses	O
.	O
</s>
<s>
A	O
test	O
executed	O
on	O
2016-02-22	O
resulted	O
in	O
a	O
yes	O
:	O
"	O
Verdict	O
for	O
IP	O
address	O
157.55.39.150	O
:	O
Yes	O
-	O
this	O
IP	O
address	O
is	O
a	O
verified	O
Bingbot	B-Protocol
IP	O
address	O
.	O
</s>
<s>
Name	O
:	O
msnbot-157-55-39-150.search.msn.com	O
.	O
"	O
</s>
