<s>
XO	B-Application
Communications	I-Application
,	O
LLC	O
(	O
previously	O
Nextlink	O
Communications	O
,	O
Concentric	B-Application
Network	I-Application
Corporation	O
and	O
Allegiance	O
Telecom	O
,	O
Inc	O
.	O
)	O
was	O
an	O
American	O
telecommunications	O
company	O
.	O
</s>
<s>
In	O
a	O
news	O
release	O
dated	O
February	O
22	O
,	O
2016	O
,	O
Verizon	O
announced	O
plans	O
to	O
acquire	O
XO	B-Application
Communications	I-Application
 '	O
"	O
fiber-optic	O
network	O
business.	O
"	O
</s>
<s>
In	O
2017	O
,	O
Verizon	O
completed	O
its	O
$1.8	O
billion	O
acquisition	O
of	O
XO	B-Application
Communications	I-Application
.	O
</s>
