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AS9505

TWGate

Taiwan (TW)

ASN Information

AS NumberAS9505
AS NameTWGATE-AP
OrganizationTaiwan Internet Gateway
Also known asTWGate
CountryTaiwan (TW)
RegistryAPNIC
ASN TypeNSP
Last Seen
Announcement Count45
IPv4 Prefix Count36
IPv6 Prefix Count9
RPKI StatusValid ×36Unknown (could not be determined) ×9
IRR RecordsView IRR route objects
Websitehttp://www.cht.com.tw ↗

AS Path to AS9505

  1. 49544i3Dnet i3D.net B.V
  2. 9505Origin

Most common path, seen 20× in route collector data, latest at a collector in Singapore (2026-10-16 09:26:53 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 15 peer session(s)Johannesburg: 19 peer session(s)Amsterdam: 24 peer session(s)Singapore: 26 peer session(s)London: 30 peer session(s)Eugene, OR: 58 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 (45)

View All →
PrefixFamilyRPKILast Seen
66.171.112.0/21IPv4ValidNot looked up yet
175.41.48.0/20IPv4ValidNot looked up yet
175.41.48.0/24IPv4ValidNot looked up yet
175.41.49.0/24IPv4ValidNot looked up yet
175.41.50.0/24IPv4ValidNot looked up yet
175.41.51.0/24IPv4ValidNot looked up yet
175.41.52.0/24IPv4ValidNot looked up yet
175.41.54.0/24IPv4ValidNot looked up yet

Peers (196)

View All →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABBoth sides233
AS3356LEVEL3 - Level 3 Parent, LLCBoth sides152
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)98
AS30844LIQUID-AS Liquid Telecommunications LtdBoth sides35
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)32
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS9002RETN-AS RETN LimitedUpstream (inferred)20
AS49544i3Dnet i3D.net B.VUpstream (inferred)20

Neighbours seen next to AS9505 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 (11)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
Any2WestLos Angeles and Silicon Valley, US206.72.210.1082001:504:13::10810GYes
BBIX TokyoTokyo, JP101.203.90.1242001:de8:c::9505:1100GYes
BKNIX (Thailand)Bangkok, TH203.159.68.1522001:df5:b881::1521GYes
Equinix ChicagoChicago, US208.115.136.512001:504:0:4::9505:110GYes
Equinix Hong KongHong Kong, HK36.255.56.662001:de8:7::9505:140GYes
Equinix Los AngelesLos Angeles, US206.223.123.512001:504:0:3::9505:110GYes
Equinix Palo AltoPalo Alto, US198.32.176.1602001:504:d::a010GYes
Equinix SingaporeSingapore, SG27.111.228.632001:de8:4::9505:1100GYes
HKIXHong Kong, HK123.255.91.1312001:7fa:0:1::ca28:a18310GYes
LINX LON1London, GB195.66.225.372001:7f8:4::2521:110GYes
TPIX-TWTaipei/Taiwan, TW203.163.222.112406:d400:1:133:203:163:222:1110GYes

IX ports registered by AS9505 (self-reported by the network).

Interconnection Facilities (9)

FacilityCityCountry
Equinix HK1 - Hong KongTsuen WanHong Kong SAR China
Equinix TY2 - TokyoTokyoJapan
Equinix SG1 - SingaporeSingaporeSingapore
TCC Technology Data Center- Bangkok,Thailand (TCC BNDC,TCC Bangna,TCCtech)BangkokThailand
CHT Taipei Aikuo IDCTaipeiTaiwan
Equinix CH1/CH2/CH4 - ChicagoChicagoUnited States
CoreSite - Los Angeles (LA1) One WilshireLos AngelesUnited States
Equinix LA1 - Los AngelesLos AngelesUnited States
Equinix SV8 - Silicon Valley, Palo AltoPalo AltoUnited States

Data centres where AS9505 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-TWIG
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsRequired - International
Ratio requirementYes
ContractNot Required
Traffic100-200Gbps
Traffic ratioMostly Inbound
Geographic scopeGlobal
Max prefixes (IPv4 / IPv6)15000 / 6000
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (2)

RoleNameEmailPhone
NOCNOCtwgate_noc@cht.com.tw+88672271954
PolicyPeeringpeering_noc@cht.com.tw+886223443530

Only contacts the network has chosen to publish are shown.

Upstreams (83)

View all →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABBoth sides233
AS3356LEVEL3 - Level 3 Parent, LLCBoth sides152
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)98
AS30844LIQUID-AS Liquid Telecommunications LtdBoth sides35
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)32
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS9002RETN-AS RETN LimitedUpstream (inferred)20
AS49544i3Dnet i3D.net B.VUpstream (inferred)20
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS11164INTERNET2-I2PX - Internet2Upstream (inferred)15
AS2497IIJ - Internet Initiative Japan Inc.Upstream (inferred)10
AS4637ASN-TELSTRA-GLOBAL - Telstra GlobalUpstream (inferred)10

Downstreams (118)

View all →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABBoth sides233
AS3356LEVEL3 - Level 3 Parent, LLCBoth sides152
AS30844LIQUID-AS Liquid Telecommunications LtdBoth sides35
AS7713telkomnet-as-ap - PT Telekomunikasi IndonesiaBoth sides10
AS9680—Both sides5
AS59318—Both sides5
AS906—Downstream (inferred)Inferred—
AS979—Downstream (inferred)Inferred—
AS983—Downstream (inferred)Inferred—
AS984—Downstream (inferred)Inferred—
AS1267—Both sidesInferred—
AS1828—Downstream (inferred)Inferred—

Registry and network details

Registered holderTWGATE-AP - Taiwan Internet Gateway
RegisteredYes
Peering policyOpen
IRR AS-setAS-TWIG
Registry record last modified
MaintainersAPNIC-HM
Internet exchanges11
Facilities9
Network profile updated

Data updated . See limitations.