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AS150359

CTTNET

Japan (JP)

ASN Information

AS NumberAS150359
AS NameCTT
OrganizationCable Television TOYAMA Inc.
Also known asCTTNET
CountryJapan (JP)
RegistryAPNIC
ASN TypeCable/DSL/ISP
Last Seen
Announcement Count3
IPv4 Prefix Count2
IPv6 Prefix Count1
RPKI StatusValid ×2Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttps://ctt.ne.jp/ ↗

AS Path to AS150359

  1. 49544i3Dnet i3D.net B.V
  2. 150359Origin

Most common path, seen 12× in route collector data, latest at a collector in Johannesburg (2026-10-22 08:35:53 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 21 peer session(s)São Paulo: 33 peer session(s)Johannesburg: 36 peer session(s)Singapore: 42 peer session(s)Amsterdam: 44 peer session(s)London: 59 peer session(s)Eugene, OR: 113 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (3)

View All →
PrefixFamilyRPKILast Seen
103.38.210.0/23IPv4ValidNot looked up yet
121.92.0.0/16IPv4ValidNot looked up yet
2400:c0a0::/32IPv6Not checkedNot looked up yet

Peers (20)

View All →
ASNameRelationshipPathsLast Seen
AS17676GIGAINFRA - SoftBank Corp.Upstream (inferred)395
AS2519VECTANT - ARTERIA Networks CorporationUpstream (inferred)75
AS49544i3Dnet i3D.net B.VUpstream (inferred)12
AS18106VIEWQWEST-SG-AP - Viewqwest Pte LtdUpstream (inferred)6
AS35280F5 F5 Networks SARLUpstream (inferred)5
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)4
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)4
AS138997EDCL-AS-AP - Eons Data Communications LimitedUpstream (inferred)4

Neighbours seen next to AS150359 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (6)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
BBIX AmsterdamAmsterdam, NL101.203.78.342403:c780:7200:b078:0:15:359:1300MYes
BBIX Hong KongHong Kong, HK103.203.158.992403:c780:b800:bb00:0:15:359:1300MYes
BBIX SingaporeSingapore, SG103.231.152.992001:df5:b800:bb00:0:15:359:1300MYes
BBIX TokyoTokyo, JP101.203.90.602001:de8:c::15:359:1100GYes
BBIX US-WestWest Coast, US101.203.74.642403:c780:7200:b074:0:15:359:1300MYes
JPNAP OsakaOsaka, JP210.173.184.1462001:7fa:7:2:0:15:359:1100GYes

IX ports registered by AS150359 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS150359.

Data centres where AS150359 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-CTTNET
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioHeavy Inbound
Geographic scopeAsia Pacific
Max prefixes (IPv4 / IPv6)2 / 1
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS150359.

Only contacts the network has chosen to publish are shown.

Upstreams (18)

View all →
ASNameRelationshipPathsLast Seen
AS17676GIGAINFRA - SoftBank Corp.Upstream (inferred)395
AS2519VECTANT - ARTERIA Networks CorporationUpstream (inferred)75
AS49544i3Dnet i3D.net B.VUpstream (inferred)12
AS18106VIEWQWEST-SG-AP - Viewqwest Pte LtdUpstream (inferred)6
AS35280F5 F5 Networks SARLUpstream (inferred)5
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)4
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)4
AS138997EDCL-AS-AP - Eons Data Communications LimitedUpstream (inferred)4
AS199524GCORE G-Core Labs S.A.Upstream (inferred)4
AS4775GLOBE-TELECOM-AS - Globe TelecomsUpstream (inferred)3
AS9002RETN-AS RETN LimitedUpstream (inferred)3
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)3

Downstreams (0)

No downstream ASNs found for AS150359 in current data sources.

Registry and network details

Registered holderCTTNET - Cable Television TOYAMA Inc.
RegisteredYes
Peering policyOpen
IRR AS-setAS-CTTNET
Registry record last modified
MaintainersMAINT-JPNIC
Internet exchanges6
Facilities0
Network profile updated

Data updated . See limitations.