AS4637Telstra International Limited

Hong Kong SAR ChinaRegistryAPNICTypeCarrier

At a glance

IPv4 prefixes

655

IPv6 prefixes

104

IPv4 addresses

1.3M

IPv6 /64s

21.5B

Upstream graph

The networks AS4637 is seen behind, one and two hops out, drawn from real AS paths.

AS4637Toward the internet core

Networks observed one and two hops upstream of AS4637 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

1,279

adjacent networks

Upstreams: 726%
Peers: 67453%
Downstreams: 53342%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 72.

Upstreams of AS4637
Network	Country	Relationship	Paths	Vantage pts
AS32590Valve Corporation	US	Peer	531,793	2
AS16552Tiggee LLC	US	Peer	141,915	2
AS4775Globe Telecoms	PH	Peer	98,641	1
AS6939Hurricane Electric LLC	US	Peer	84,316	62
AS5413Wavenet Limited	GB	Peer	65,379	2
AS13030Init7 (Switzerland) Ltd.	CH	Peer	48,813	5
AS9002RETN Limited	GB	Peer	36,998	13
AS37271Workonline Communications(Pty) Ltd	ZA	Peer	35,367	2
AS3257GTT Communications Inc.	US	Peer	31,152	36
AS1299Arelion (fka. Telia Carrier)	SE	Peer	31,024	65

Prefixes

All 759

The largest blocks AS4637 originates, widest first.

Largest prefixes originated by AS4637
Prefix	Addresses	Visibility
195.152.0.0/15	131k	80/80
134.159.0.0/16	65.5k	80/80
146.101.0.0/16	65.5k	80/80
154.32.0.0/16	65.5k	80/80
42.99.128.0/17	32.8k	79/80
202.84.128.0/17	32.8k	80/80
61.14.128.0/18	16.4k	80/80
61.87.128.0/18	16.4k	80/80
120.138.192.0/18	16.4k	80/80
125.252.64.0/18	16.4k	80/80

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