AS9924 TFN-TW Taiwan Fixed Network, Telco and Network Service Provider.

Announced Prefixes (BGP)
644total
634 IPv410 IPv6
IPv4 Addresses
Allocated (RIR)1.8M
Announced (BGP)4.3M
IPv6 Addresses
Allocated (RIR)2.6×10³⁰
Announced (BGP)2.8×10³⁰
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
50
Allocated
-

Listed on the threat map (2026-10-11)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)644
|
Prefix
RPKI
IRR
Last Seen
Valid
RIPE
2026-10-11
Valid
RIPE
2026-10-11
Valid
ARIN
2026-10-11
Valid
ARIN
2026-10-11
Valid
Other IRR
2026-10-11
Valid
Other IRR
2026-10-11
Valid
Other IRR
2026-10-11
Valid
Other IRR
2026-10-11
Valid
Other IRR
2026-10-11
Valid
Other IRR
2026-10-11
1-10 of 644
1 / 65

Allocated Prefixes

(RIR)42
Prefix
Country
RIR
Status
43.240.24.0/22🇹🇼 TWAPNICallocated
49.214.0.0/15🇹🇼 TWAPNICallocated
49.216.0.0/14🇹🇼 TWAPNICallocated
60.198.0.0/16🇹🇼 TWAPNICallocated
60.199.0.0/16🇹🇼 TWAPNICallocated
61.30.0.0/16🇹🇼 TWAPNICallocated
61.31.0.0/16🇹🇼 TWAPNICallocated
61.57.0.0/19🇹🇼 TWAPNICallocated
61.60.240.0/20🇹🇼 TWAPNICassigned
103.123.188.0/22🇹🇼 TWAPNICallocated
1-10 of 42
1 / 5

All 644 announced prefixes of AS9924 →

BGP Neighbours

(seen in AS paths)

Upstreams (11)

Networks AS9924 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS3491PCCWG APAC HK PCCW Global HK447
  • AS58453CMI INT HK China Mobile International Limited76
  • AS9505TWGATE AP Taiwan Internet Gateway62
  • AS2907SINET Research Organization Of Information And Systems, National Institute Of Informatics21
  • AS2914NTT America19
  • AS9002RETN Limited17
  • AS4637ASN TELSTRA GLOBAL Telstra Global12
  • AS7481TWIX Data Communication Business Group7
  • AS49544I3Dnet I3D.Net B.V2
  • AS3462HINET Data Communication Business Group1
  • AS6939Hurricane Electric1

Downstreams (40)

Networks whose own prefixes AS9924 passes on: usually its customers.

  • AS24158TAIWANMOBILE Taiwan Mobile1,053
  • AS38841KBRO TW Kbro514
  • AS24164UBBNET TW UNION BROADBAND NETWORK261
  • AS131611GLOBALTRANSIT SDTV San Da Cable TV92
  • AS24163UBBNET TW UNION BROADBAND NETWORK65
  • AS24165UBBNET TW UNION BROADBAND NETWORK59
  • AS18429EXTRALAN TW Extra Lan Technologies50
  • AS131602HYA Hsin Yeong An Cable TV47
  • AS18415BWIZ B WIZ Technology17
  • AS31972Emagine Concept10
  • AS134094SERVERFIELD9
  • AS18049TINP TW Taiwan Infrastructure Network Technologie8
  • AS135596HANSTECH HK Hans Online Services8
  • AS4781PAGICNET AS1 PAGIC.NetINC6
  • AS131148BOT TW Bank Of Taiwan6
  • AS131628TAIFUCLOUD TW Tai Fu Cloud5
  • AS131635AIRPAYTW Airpay5
  • AS7539TWAREN TW National Center For High Performance Computing4
  • AS9216PUNET AP PUNET Taiwan4
  • AS18413GBTC TW Great Taipei Broadband Company4
  • AS24429TAOBAO Zhejiang Taobao Network3
  • AS38837GSNET AION TECHNOLOGIES3
  • AS131143CHINATRUST TW Chinatrust Commercial Bank3
  • AS131636WANIN INTERNATIONAL3
  • AS4780SEEDNET Digital United2
  • AS9671TRADEVAN AP Trade Van Informaiton Services2
  • AS18045SINOPAC Holdings Corporate Network2
  • AS18422ITRINET TW Industrial Technology Research Institute2
  • AS33619Advanced Micro Devices2
  • AS40934Fortinet2
  • AS131599WISTRON Corporation2
  • AS131632GMICLOUD ASN PHOENIX GMI Cloud Phoenix . Taiwan Branch CAYMAN ISLANDS REPUBLIC2
  • AS3911Micron Technology1
  • AS10135EASPNET AP EASPNET1
  • AS11179Aryaka Networks1
  • AS11528Photronics1
  • AS16477Nielsen Consumer1
  • AS17420ACEREDC TW Acer E Enabling Data Center1
  • AS19637Avago Technologies U.S1
  • AS20940AKAMAI ASN1 Akamai International B.V1

Other adjacent networks (9)

Adjacent to AS9924 in the transit part of AS paths: peers, providers or customers.

  • AS15412FLAG Telecom UK Limited120
  • AS3356Level 3 Parent27
  • AS7533GLOBALTRANSIT SC TW Savecom International26
  • AS9304HUTCHISON AP HGC Global Communications Limited8
  • AS9676SAVECOM TW SaveCom Internation1
  • AS17408ABOVE AP AboveNet Communications Taiwan1
  • AS24482SGGS AP SG.GS1
  • AS60068CDN77 Datacamp Limited1
  • AS131634MOBATW MOBA Private Limited Taiwan Branch1
ASPA
No ASPA
External Links

Learn more

GEThttps://api.ipctl.io/v1/asn/9924

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

curl -s "https://api.ipctl.io/v1/asn/9924" | jq