SUBNET.IM

AS203472PENG YUJEN

TaiwanRegistryRIPE NCC

At a glance

IPv4 prefixes

0

IPv6 prefixes

9

IPv4 addresses

0

IPv6 /64s

4.5M

Upstream graph

The networks AS203472 is seen behind, one and two hops out, drawn from real AS paths.

AS203472Toward the internet core
Upstream graph for AS203472: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203472PENG YUJENThis networkAS7720Skywolf Technolog…AS213605Liu HaoRanAS10111Zeofast NetworkAS17433Hytron Network Se…AS6939Hurricane Electri…AS18423RAID Networks Co.…

Networks observed one and two hops upstream of AS203472 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

5

adjacent networks

Upstreams
240%
Peers
240%
Downstreams
120%

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

Upstreams of AS203472
NetworkCountryRelationshipPathsVantage pts
AS213605Liu HaoRanCNAdjacent34562
AS7720Skywolf Technology LLCUSPeer289141

Prefixes

The largest blocks AS203472 originates, widest first.

Largest prefixes originated by AS203472
PrefixAddressesVisibility
2401:5a0:bbb0::/441M × /6462/62
2406:840:9840::/441M × /6461/62
2602:feda:a80::/441M × /6462/62
2a0e:b107:2710::/441M × /6462/62
2401:5a0:bbbb::/4865.5k × /6462/62
2a0e:8f02:f046::/4865.5k × /6462/62
2a0e:b107:2711::/4865.5k × /6461/62
2a0e:b107:2716::/4865.5k × /6462/62
2a12:3fc2:ddff::/4865.5k × /6461/62

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