<s>
Arelion	B-Application
,	O
formerly	O
named	O
Telia	B-Application
Carrier	I-Application
and	O
TeliaSonera	B-Application
International	I-Application
Carrier	I-Application
(	O
TSIC	O
)	O
,	O
is	O
a	O
provider	O
of	O
telecommunication	O
services	O
based	O
in	O
Solna	O
,	O
Sweden	O
.	O
</s>
<s>
Arelion	B-Application
is	O
a	O
tier	B-Architecture
1	I-Architecture
network	I-Architecture
provider	O
,	O
assigned	O
Autonomous	B-Architecture
System	I-Architecture
number	I-Architecture
AS1299	O
.	O
</s>
<s>
Since	O
2021	O
,	O
the	O
name	O
Twelve99	B-Application
is	O
also	O
used	O
in	O
technical	O
contexts	O
.	O
</s>
<s>
Telia	O
Company	O
started	O
building	O
its	O
carrier	O
network	O
in	O
1993	O
,	O
which	O
became	O
TeliaSonera	B-Application
International	I-Application
Carrier	I-Application
.	O
</s>
<s>
On	O
19	O
April	O
2016	O
,	O
the	O
carrier	O
was	O
rebranded	O
to	O
Telia	B-Application
Carrier	I-Application
,	O
together	O
with	O
its	O
parent	O
company	O
dropping	O
the	O
"	O
Sonera	O
"	O
part	O
of	O
its	O
name	O
.	O
</s>
<s>
On	O
6	O
October	O
2020	O
,	O
Telia	O
Company	O
agreed	O
to	O
sell	O
its	O
Telia	B-Application
Carrier	I-Application
unit	O
to	O
Polhem	O
Infra	O
for	O
roughly	O
US$1	O
billion	O
.	O
</s>
<s>
Related	O
to	O
the	O
purchase	O
,	O
Telia	B-Application
Carrier	I-Application
begun	O
moving	O
from	O
telia.net	O
to	O
a	O
new	O
domain	O
name	O
twelve99.net	O
for	O
technical	O
uses	O
.	O
</s>
<s>
The	O
domain	O
name	O
is	O
a	O
reference	O
to	O
Telia	O
's	O
AS	B-Architecture
number	I-Architecture
1299	O
.	O
</s>
<s>
On	O
19	O
January	O
2022	O
,	O
Telia	B-Application
Carrier	I-Application
rebranded	O
to	O
Arelion	B-Application
.	O
</s>
<s>
The	O
core	O
business	O
of	O
Arelion	B-Application
is	O
to	O
provide	O
fiber-based	O
telecommunications	O
services	O
and	O
infrastructure	O
.	O
</s>
<s>
The	O
company	O
is	O
an	O
IP	B-Protocol
connectivity	I-Protocol
supplier	O
ranked	O
number	O
one	O
globally	O
.	O
</s>
<s>
It	O
also	O
provides	O
services	O
to	O
operators	O
,	O
content	O
providers	O
enterprises	O
,	O
education	O
and	O
online	B-Application
gaming	I-Application
networks	O
.	O
</s>
<s>
The	O
company	O
owns	O
and	O
operates	O
a	O
large	O
fiber	B-Application
network	I-Application
,	O
spanning	O
70,000	O
km	O
and	O
connecting	O
320	O
points	O
of	O
presence	O
spread	O
across	O
more	O
than	O
120	O
cities	O
in	O
35	O
countries	O
.	O
</s>
<s>
The	O
company	O
's	O
customer	O
base	O
is	O
mainly	O
wholesale	O
and	O
includes	O
the	O
telecoms	O
service	O
providers	O
ViaSat	O
and	O
Rostelecom	O
,	O
the	O
content	O
providers	O
Facebook	B-Application
,	O
Twitch	O
,	O
Activision	O
Blizzard	O
,	O
and	O
the	O
content	B-Operating_System
delivery	I-Operating_System
networks	I-Operating_System
CDNetworks	B-Protocol
.	O
</s>
<s>
In	O
May	O
2012	O
,	O
Arelion	B-Application
announced	O
it	O
had	O
been	O
selected	O
to	O
build	O
and	O
manage	O
a	O
pan-European	O
optical	O
network	O
for	O
Facebook	B-Application
.	I-Application
</s>
<s>
The	O
multi-terabit	O
optical	O
network	O
will	O
allow	O
Facebook	B-Application
to	O
serve	O
users	O
in	O
Africa	O
,	O
Middle	O
East	O
and	O
Europe	O
from	O
a	O
data	O
center	O
in	O
Luleå	O
,	O
Sweden	O
,	O
near	O
the	O
Arctic	O
Circle	O
.	O
</s>
<s>
In	O
November	O
2011	O
Arelion	B-Application
and	O
Infinera	O
announced	O
completion	O
of	O
the	O
world	O
's	O
first	O
Terabit	O
optical	O
transmission	O
based	O
on	O
super-channels	O
.	O
</s>
<s>
The	O
demonstration	O
was	O
performed	O
on	O
1105km	O
of	O
optical	B-Architecture
fiber	I-Architecture
between	O
Los	O
Angeles	O
and	O
San	O
Jose	O
,	O
California	O
.	O
</s>
<s>
Since	O
2008	O
,	O
Arelion	B-Application
has	O
donated	O
free	O
service	O
to	O
the	O
Wikimedia	O
Foundation	O
,	O
being	O
the	O
only	O
global	O
tier	B-Architecture
1	I-Architecture
carrier	I-Architecture
to	O
do	O
so	O
,	O
as	O
of	O
February	O
2012	O
.	O
</s>
