SUBNET.IM

AS15721C.T.CO. Ltd.

LatviaRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

4.1k

IPv6 /64s

0

Upstream graph

The networks AS15721 is seen behind, one and two hops out, drawn from real AS paths.

AS15721Toward the internet core
Upstream graph for AS15721: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS15721C.T.CO. Ltd.This networkAS9002RETN LimitedAS12578SIA TetAS28886RETN LatviaAS197870S.I.A."IBANPAY"AS6453TATA Communicatio…AS51907Kanton ZugAS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS15721 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

9

adjacent networks

Upstreams
444%
Peers
444%
Downstreams
111%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS15721
NetworkCountryRelationshipPathsVantage pts
AS12578SIA TetLVPeer15879
AS197870S.I.A."IBANPAY"LVPeer8080
AS9002RETN LimitedGBPeer5757
AS28886RETN LatviaGBPeer2323

Prefixes

The largest blocks AS15721 originates, widest first.

Largest prefixes originated by AS15721
PrefixAddressesVisibility
217.21.168.0/212k80/80
217.21.168.0/221k79/80
217.21.172.0/221k79/80

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