AS174Cogent Communications, LLC

United StatesRegistryARINTypeT1

At a glance

IPv4 prefixes

3,863

IPv6 prefixes

526

IPv4 addresses

37.6M

IPv6 /64s

250B

Upstream graph

The networks AS174 is seen behind, one and two hops out, drawn from real AS paths.

AS174Toward the internet core

Networks observed one and two hops upstream of AS174 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

13,102

adjacent networks

Upstreams: 1321%
Peers: 6,56450%
Downstreams: 6,40649%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 132.

Upstreams of AS174
Network	Country	Relationship	Paths	Vantage pts
AS1299Arelion (fka. Telia Carrier)	SE	Peer	808,327	83
AS151326DCConnect Communication Pte. Ltd.	SG	Peer	737,522	1
AS6453TATA Communications (America) Inc	US	Peer	531,328	53
AS3491PCCW Global (HK) Ltd.	HK	Peer	510,748	16
AS3130RGnet OU	EE	Peer	477,740	1
AS3356Lumen (Level 3)	US	Peer	372,455	93
AS2497Internet Initiative Japan Inc.	JP	Peer	351,234	6
AS1000LINK AMERICAN	US	Peer	312,839	2
AS3170VeloxServ Communications Ltd	GB	Peer	311,871	2
AS3741Dimension Data	ZA	Peer	238,521	1

Prefixes

All 4,389

The largest blocks AS174 originates, widest first.

Largest prefixes originated by AS174
Prefix	Addresses	Visibility
0.0.0.0/0	4.3B	1/80
38.0.0.0/8	16.8M	78/80
208.0.0.0/11	2.1M	78/80
63.160.0.0/12	1M	78/80
154.48.0.0/12	1M	78/80
65.160.0.0/13	524k	78/80
154.24.0.0/13	524k	78/80
154.40.0.0/13	524k	78/80
205.240.0.0/13	524k	78/80
65.168.0.0/14	262k	79/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.