SUBNET.IM

AS18305POSCO DX

South KoreaRegistryAPNIC

At a glance

IPv4 prefixes

68

IPv6 prefixes

0

IPv4 addresses

75.9k

IPv6 /64s

0

Upstream graph

The networks AS18305 is seen behind, one and two hops out, drawn from real AS paths.

AS18305Toward the internet core
Upstream graph for AS18305: 11 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS18305POSCO DXThis networkAS3786LG DACOM Corporat…AS4766Korea TelecomAS9318SK Broadband Co L…AS9848SEJONG NETWORKSAS13335Cloudflare, Inc.AS132337AxclusiveAS6939Hurricane Electri…AS2914NTT America, Inc.AS6453TATA Communicatio…AS3491PCCW Global (HK) …AS15412Flag Telecom UK L…

Networks observed one and two hops upstream of AS18305 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

10

adjacent networks

Upstreams
550%
Peers
550%
Downstreams
00%

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

Upstreams of AS18305
NetworkCountryRelationshipPathsVantage pts
AS4766Korea TelecomKRPeer2,80280
AS9318SK Broadband Co LtdKRPeer81380
AS13335Cloudflare, Inc.USPeer55780
AS9848SEJONG NETWORKSKRPeer51080
AS3786LG DACOM CorporationKRPeer29655

Prefixes

All 68

The largest blocks AS18305 originates, widest first.

Largest prefixes originated by AS18305
PrefixAddressesVisibility
203.245.128.0/1732.8k80/80
203.241.0.0/198.2k80/80
203.244.32.0/198.2k80/80
203.244.64.0/198.2k80/80
203.238.192.0/212k80/80
203.238.200.0/221k80/80
203.238.220.0/221k80/80
1.209.29.0/2425680/80
1.209.181.0/2425680/80
1.209.182.0/2425680/80

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