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AS150325TSUKUDANI NETWORK

JapanRegistryAPNIC

As of 27th September 2026, AS150325 (TSUKUDANI NETWORK), a network registered in Japan with APNIC, originates 1 IPv4 prefix covering 256 addresses and 4 IPv6 prefixes. By IPv4 address space that makes it the 59,127th-largest of the 79,525 networks we see originating IPv4, and the 639th-largest of 729 in Japan. It is seen behind 13 upstream networks, most often AS150369 (TelHi Corporation) and AS38074 (SDCC Japan-West Area), and in front of 1 downstream network. 80% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

4

IPv4 addresses

256

IPv6 /64s

262k

Upstream graph

The networks AS150325 is seen behind, one and two hops out, drawn from real AS paths.

AS150325Toward the internet core
Upstream graph for AS150325: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS150325TSUKUDANI NETWORKThis networkAS3214xTom GmbHAS6939Hurricane Electri…AS7768Nuh Ahmet Firat t…AS38074SDCC Japan-West A…AS150369TelHi CorporationAS6453TATA Communicatio…AS18106Viewqwest Pte LtdAS20130Depaul UniversityAS59103SoftEther Corpora…AS150363SoftEther Corpora…AS174Cogent Communicat…AS9607BroadBand Tower, …

Networks observed one and two hops upstream of AS150325 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

45

adjacent networks

Upstreams
1329%
Peers
3169%
Downstreams
12%

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

Upstreams of AS150325
NetworkCountryRelationshipPathsVantage pts
AS150369TelHi CorporationJPPeer16983
AS38074SDCC Japan-West AreaJPPeer13264
AS6939Hurricane Electric LLCUSPeer11265
AS8888xTom Pty LtdAUPeer11
AS32590Valve CorporationUSPeer11
AS25091IP-Max SACHPeer11
AS56662Marcin GondekPLPeer11
AS7768Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAYAR TEKNOLOJILERITRPeer11
AS24940Hetzner Online GmbHDEPeer11
AS601443W Infra B.V.NLPeer11

Prefixes

The largest blocks AS150325 originates, widest first.

Largest prefixes originated by AS150325
PrefixAddressesVisibility
44.31.252.0/2425681/81
2406:7ec0:1000::/4865.5k × /6464/64
2406:7ec0:1001::/4865.5k × /6464/64
2406:7ec0:1002::/4865.5k × /6463/64
2406:7ec0:1003::/4865.5k × /6463/64

Routing health

How AS150325's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid80.0%4
  • Invalid0.0%0
  • No ROA20.0%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%5
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

IPv6 — 4 prefixes

  • /4865.5k × /64100.0%4

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS150325 started or stopped in this period.

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