HomeASN LookupAS9505

AS9505 TWGATE-AP Taiwan Internet Gateway

🇹🇼

Org handle: ORG-CTCL1-AP

Taiwan Internet Gateway

APNICallocated
Announced Prefixes (BGP)
45total
36 IPv49 IPv6
IPv4 Addresses
Allocated (RIR)8,192
Announced (BGP)31,744
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.7×10²⁹
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
50
Country
🇹🇼 TW
RIR
APNIC
Status
allocated
Allocated
1999-03-24

Announced Prefixes

(BGP)45
|
Prefix
RPKI
IRR
Last Seen
66.171.112.0/21
 Valid
Other IRR
2026-10-11
175.41.48.0/20
 Valid
Other IRR
2026-10-11
175.41.48.0/24
 Valid
Other IRR
2026-10-11
175.41.49.0/24
 Valid
Other IRR
2026-10-11
175.41.50.0/24
 Valid
Other IRR
2026-10-11
175.41.51.0/24
 Valid
Other IRR
2026-10-11
175.41.52.0/24
 Valid-2026-10-11
175.41.54.0/24
 Valid-2026-10-11
175.41.55.0/24
 Valid
Other IRR
2026-10-11
175.41.56.0/24
 Valid-2026-10-11
1-10 of 45
1 / 5

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
175.41.48.0/20🇹🇼 TWAPNICallocated
203.78.176.0/20🇹🇼 TWAPNICallocated

All 45 announced prefixes of AS9505 →

BGP Neighbours

(seen in AS paths)

Upstreams (7)

Networks AS9505 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS174Cogent Communications14
  • AS1299TWELVE99 Arelion Sweden AB13
  • AS33891CORE BACKBONE Core Backbone7
  • AS3356Level 3 Parent5
  • AS9002RETN Limited3
  • AS2907SINET Research Organization Of Information And Systems, National Institute Of Informatics2
  • AS2914NTT America1

Downstreams (26)

Networks whose own prefixes AS9505 passes on: usually its customers.

  • AS55547WOODSNET PH Unit D,E,F,G 28th Floor143
  • AS18182SONET TW Sony Network Taiwan Limited81
  • AS9924TFN TW Taiwan Fixed Network, Telco And Network Service Provider59
  • AS7532GAMANIA TW Gamania CloudForce29
  • AS208770Im Greacon Limited17
  • AS10126CHTI IP AP Taiwan Internet Gateway12
  • AS135062IDNIC INDOTECHMITRADIGITAL ID PT Indotech Mitra Digital10
  • AS9902NEOCOMISP KH AP NEOCOMISP LIMITED, IPTX Transit And Network Service Provider In Cambodia9
  • AS33717Chunghwa Telecom Global9
  • AS9264ASNET Academia Sinica8
  • AS4780SEEDNET Digital United7
  • AS9304HUTCHISON AP HGC Global Communications Limited6
  • AS9416KBT ., 4F., No.57, Dongxing Rd., Xinyi Dist., Taipei City 110, Taiwan R.O.C6
  • AS135140QYNTKCL AP Qun Ying Network Technology Hong Kong ., Limited5
  • AS7478MACKAY AP Mackay Telecommunication4
  • AS17716NTU TW National Taiwan University4
  • AS45250VOCOM AP Vocom International Telecommunications AP Area4
  • AS3462HINET Data Communication Business Group3
  • AS18047NTHU TW National Tsing Hua University2
  • AS23930VITROINC AP VITRO2
  • AS131660CHTCDN Data Communication Business Group2
  • AS133424DHT AP Donghwa Telecom ., Limited2
  • AS6453TATA COMMUNICATIONS AMERICA1
  • AS11414Nvidia Corporation1
  • AS38325WTP AP WTP1
  • AS133089QUALCOMM TW AP Qualcomm1

Other adjacent networks (18)

Adjacent to AS9505 in the transit part of AS paths: peers, providers or customers.

  • AS12552GlobalConnect AS12552 GlobalConnect AB129
  • AS4134CHINANET BACKBONE No.31,Jin Rong Street70
  • AS7533GLOBALTRANSIT SC TW Savecom International48
  • AS9680HINETUSA HiNet Service Center In U.S.A25
  • AS58453CMI INT HK China Mobile International Limited10
  • AS7481TWIX Data Communication Business Group8
  • AS6939Hurricane Electric7
  • AS17408ABOVE AP AboveNet Communications Taiwan7
  • AS983Akari Networks6
  • AS24482SGGS AP SG.GS5
  • AS38008APERTURE AP Aperture Science Limited5
  • AS45430SBN AWN IIG AP SBN IIGAWN IIG Transit Provider3
  • AS58952FRONTIIRCOLTD MM Frontiir3
  • AS2152CENIC1
  • AS3491PCCWG APAC HK PCCW Global HK1
  • AS8966Etisalat EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC1
  • AS17433HNSL AP Hytron Network Services Limited1
  • AS20326TeraSwitch Networks1
ASPA
No ASPA
External Links
APNIC WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/9505

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/9505" | jq