<s>
A	O
Tier	B-Architecture
2	I-Architecture
network	I-Architecture
is	O
an	O
Internet	O
service	O
provider	O
which	O
engages	O
in	O
the	O
practice	O
of	O
peering	B-Protocol
with	O
other	O
networks	O
,	O
but	O
which	O
also	O
purchases	O
IP	B-Application
transit	I-Application
to	O
reach	O
some	O
portion	O
of	O
the	O
Internet	O
.	O
</s>
<s>
Tier	O
2	O
providers	O
are	O
the	O
most	O
common	O
Internet	O
service	O
providers	O
,	O
as	O
it	O
is	O
much	O
easier	O
to	O
purchase	O
transit	B-Application
from	O
a	O
Tier	B-Architecture
1	I-Architecture
network	I-Architecture
than	O
to	O
peer	O
with	O
them	O
and	O
attempt	O
to	O
become	O
a	O
Tier	B-Architecture
1	I-Architecture
carrier	I-Architecture
.	O
</s>
<s>
The	O
term	O
Tier	O
3	O
is	O
sometimes	O
also	O
used	O
to	O
describe	O
networks	O
who	O
solely	O
purchase	O
IP	B-Application
transit	I-Application
from	O
other	O
networks	O
to	O
reach	O
the	O
Internet	O
.	O
</s>
<s>
Name	O
AS	B-Architecture
Number	I-Architecture
August	O
2021	O
degreeVisualizing	O
Internet	O
Topology	O
at	O
a	O
Macroscopic	O
Scale	O
April	O
2005	O
Reason	O
Hurricane	O
Electric	O
69399243	O
IPv4	O
:	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299.IPv6	O
:	O
Does	O
not	O
provide	O
IPv6	O
routing/connectivity	O
to	O
Cogent/AS174	O
.	O
</s>
<s>
Telkom	O
Indonesia	O
International	O
7713551	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Cogent/AS174	O
,	O
Arelion/AS1299	O
,	O
NTT	O
America/AS2914	O
,	O
Telecom	O
Italia	O
Sparkle/AS6762	O
,	O
Tata	O
Communications/AS6453	O
,	O
Singtel/AS7473.RETN90021446Purchases	O
transit	B-Application
from	O
Level	O
3/AS3356.next	O
layer1764987Purchases	O
transit	B-Application
from	O
Level	O
3/AS3356	O
,	O
Cogent/AS174	O
,	O
Arelion/AS1299	O
,	O
NTT	O
America/AS2914	O
,	O
GTT/AS3257.meerfarbig	O
34549688	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299	O
,	O
Global	B-Application
Telecom	I-Application
&	I-Application
Technology	I-Application
(	O
GTT	B-Application
)	O
Korea	O
Telecom	O
4766578	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299	O
,	O
Cogent/AS174	O
,	O
Telecom	O
Italia	O
Sparkle/AS6762.HGC	O
Global	O
9304637	O
Purchases	O
transit	B-Application
from	O
Cogent/AS174	O
,	O
NTT	O
America/AS2914	O
,	O
Telecom	O
Italia	O
Sparkle/AS6762	O
,	O
Tata	O
Communications/AS6453.Fibrenoire	O
22652127	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299	O
,	O
Cogent/AS174	O
,	O
Tata	O
Communications/AS6453	O
,	O
GTT/AS3257	O
.	O
</s>
<s>
SK	O
broadband	O
9318537	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299	O
,	O
Cogent/AS174	O
,	O
NTT	O
America/AS2914	O
,	O
Tata	O
Communications/AS6453	O
,	O
PCCW	O
Global/AS3491	O
,	O
Verizon/AS701.TDC	O
3292191	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299.Internet	O
Initiative	O
Japan	O
2497329	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Cogent/AS174	O
,	O
Verizon/AS701	O
,	O
NTT	O
America/AS2914.Vodafone	O
(	O
formerly	O
Cable	O
and	O
Wireless	O
)	O
1273303	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299	O
.	O
</s>
<s>
KDDI	O
2516308	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299	O
,	O
Verizon/AS701	O
,	O
Global	B-Application
Telecom	I-Application
&	I-Application
Technology	I-Application
(	O
GTT	B-Application
)	O
/AS3257	O
.	O
</s>
<s>
PT	O
Mora	O
Telematika	O
Indonesia	O
23947243	O
Purchases	O
transit	B-Application
from	O
Cogent/AS174	O
,	O
Global	B-Application
Telecom	I-Application
&	I-Application
Technology	I-Application
(	O
GTT	B-Application
)	O
/AS3257	O
,	O
Hurricane	O
Electric/AS6939.China	O
Telecom	O
4134/4809318Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
.	O
</s>
<s>
China	O
Unicom	O
4837310	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
.	O
</s>
<s>
Chunghwa	O
Telecom	O
3462364	O
Purchases	O
transit	B-Application
from	O
Tata	O
Communications/AS6453	O
.	O
</s>
<s>
British	O
Telecom	O
5400151	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299	O
,	O
NTT	O
America/AS2914	O
.	O
</s>
<s>
Comcast	O
7922192	O
Purchases	O
transit	B-Application
from	O
Tata	O
Communications/AS6453	O
,	O
NTT	O
America/AS2914.Tele2	O
(	O
formerly	O
SWIPNet	O
)	O
1257167	O
Purchases	O
transit	B-Application
from	O
Sprint/AS1239	O
,	O
Cogent/AS174.KCOM	O
Group	O
1239069	O
Purchases	O
transit	B-Application
from	O
KPN/AS286	O
,	O
Level	O
3/AS3356	O
,	O
Cogent/AS174	O
,	O
NTT	O
America/AS2914	O
.	O
</s>
<s>
Spirit	O
Communications	O
271182	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Cogent/AS174	O
,	O
Arelion/AS1299	O
,	O
NTT	O
America/AS2914	O
.	O
</s>
<s>
Stealth	O
Communications	O
800247	O
Purchases	O
transit	B-Application
from	O
Cogent/AS174	O
,	O
NTT	O
America/AS2914	O
.	O
</s>
<s>
Internap	O
1474433	O
Purchases	O
transit	B-Application
from	O
Cogent/AS174	O
,	O
NTT	O
America/AS2914	O
,	O
Verizon/AS701.FiberRing	O
3893035	O
Purchases	O
transit	B-Application
from	O
NTT	O
America/AS2914	O
,	O
Arelion/AS1299	O
,	O
Tata	O
Communications/AS6453	O
,	O
Cogent/AS174.Core	O
-Backbone	O
GmbH	O
338911311	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299.Fiber	O
Telecom	O
413272145	O
Purchases	O
transit	B-Application
from	O
Level3/AS3356	O
,	O
GTT/AS3257	O
,	O
Telecom	O
Italia	O
Sparkle/AS6762	O
,	O
Arelion/AS1299	O
.	O
</s>
<s>
Singtel	O
7473359	O
Purchases	O
transit	B-Application
from	O
Arelion/AS1299	O
,	O
Zayo/AS6461	O
,	O
Tata	O
Communications/AS6453	O
and	O
PCCW	O
Global/AS3491	O
.	O
</s>
<s>
SG.GS	O
24482417	O
Purchases	O
IP	B-Application
transit	I-Application
from	O
NTT	O
America/AS2914	O
,	O
Cogent/AS174	O
and	O
Tata	O
Communications/AS6453	O
.	O
</s>
<s>
Turk	O
Telekom	O
International( 	O
d/b/a	O
Euroweb.ro	O
)	O
9121/6663250	O
Purchases	O
IP	B-Application
transit	I-Application
from	O
Level3/AS3356	O
,	O
Arelion/AS1299	O
,	O
NTT	O
America/AS2914	O
,	O
Deutsche	O
Telekom	O
Global	O
Carrier/AS3320	O
,	O
China	O
Telecom/AS4134	O
&AS4809	O
.	O
</s>
