HomeASN LookupAS18403

AS18403 FPT-VN - FPT Telecom Company

🇻🇳

Org handle: A91A560A

FPT Telecom Company

APNICallocated
Announced Prefixes (BGP)
8,594total
4,794 IPv43,800 IPv6
IPv4 Addresses
Allocated (RIR)2.7M
Announced (BGP)6.2M
IPv6 Addresses
Allocated (RIR)4.7×10²⁹
Announced (BGP)7.7×10²⁹
Prefix Limit (IPv4)
10,000
Prefix Limit (IPv6)
20,000
Country
🇻🇳 VN
RIR
APNIC
Status
allocated
Allocated
2003-01-03

Routing hygiene

Score 4/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
1 prefix registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
31
diversity 62/100
  • No significant routing hygiene issues found

Based on 8,594 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Listed on the threat map (2026-10-26)

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

Announced Prefixes

(BGP)1,000 of 8,594
|
Prefix
RPKI
IRR
Last Seen
1.52.0.0/14
 Valid
APNICOther IRR
-
1.52.0.0/18
 Valid
APNICOther IRR
-
1.52.0.0/20
 Valid
APNICOther IRR
-
1.52.0.0/23
 Valid
APNIC
-
1.52.2.0/24
 Valid
APNIC
-
1.52.3.0/24
 Valid
APNIC
-
1.52.4.0/24
 Valid
APNIC
-
1.52.5.0/24
 Valid
APNIC
-
1.52.6.0/24
 Valid
APNIC
-
1.52.7.0/24
 Valid
APNIC
-
1-10 of 1,000
1 / 100

Allocated Prefixes

(RIR)318
Prefix
Country
RIR
Status
1.52.0.0/14🇻🇳 VNAPNICallocated
1.52.0.0/20🇻🇳 VNAPNICassigned
1.52.16.0/20🇻🇳 VNAPNICassigned
1.52.32.0/20🇻🇳 VNAPNICassigned
1.52.48.0/20🇻🇳 VNAPNICassigned
1.52.64.0/20🇻🇳 VNAPNICassigned
1.52.80.0/20🇻🇳 VNAPNICassigned
1.52.96.0/20🇻🇳 VNAPNICassigned
1.52.112.0/20🇻🇳 VNAPNICassigned
1.52.128.0/20🇻🇳 VNAPNICassigned
1-10 of 318
1 / 32

All 8,594 announced prefixes of AS18403 →

Downstream Customers(1)

ASNName
AS199890🇻🇳MINHNG99 Nguyen Quang Minh

BGP Neighbours

(seen in AS paths)

Upstreams (30)

Networks AS18403 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6939Hurricane Electric3,774
  • AS60068CDN77 Datacamp Limited3,761
  • AS3356Level 3 Parent240
  • AS4637Telstra Global204
  • AS1299TWELVE99 Arelion Sweden AB155
  • AS6453TATA COMMUNICATIONS (AMERICA)82
  • AS4229Zenlayer71
  • AS24482SG.GS65
  • AS6204ZET NET INTERKVM HOST55
  • AS58453China Mobile International Limited29
  • AS4766Korea Telecom26
  • AS6797GLOBALCONNECT NET GlobalConnect AB20
  • AS3491PCCW Global (HK)19
  • AS45899VNPT19
  • AS15802DU AS1 Emirates Integrated Telecommunications Company PJSC16
  • AS15958CETIN Doo CETIN . Belgrade16
  • AS34177CELESTE SAS16
  • AS2914NTT America15
  • AS7552Viettel Group14
  • AS2500WIDE Project13
  • AS45489Sri Lanka Telecom PLC, GLobal Peering11
  • AS56987ABACLOUDA SAS9
  • AS8966Etisalat EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC6
  • AS9902NEOCOMISP LIMITED, IPTX Transit And Network Service Provider In Cambodia6
  • AS10099China Unicom Global2
  • AS13335Cloudflare2
  • AS133210EN Technologies Pte2
  • AS5511Opentransit Orange S.A1
  • AS7473Singapore Telecommunications1
  • AS64050BGP Network Limited1

Downstreams (100 of 207)

Networks whose own prefixes AS18403 passes on: usually its customers.

  • AS135918VIET DIGITAL TECHNOLOGY LIABILITY COMPANY232
  • AS140766FPT Smart Cloud Company Limited200
  • AS131386Long Van System Solution JSC96
  • AS21859Zenlayer61
  • AS140815HTTVSERVER TECHNOLOGY COMPANY LIMITED58
  • AS131429MOBIFONE Corporation57
  • AS149078VPSMMO TECHNOLOGY COMPANY LIMITED49
  • AS140810Megacore Technology Company Limited45
  • AS38244VNG Corporation43
  • AS45543SaiGon Tourist Cable Televition Company42
  • AS151858INTERDIGI JOINT STOCK COMPANY38
  • AS131414Long Van Soft Solution JSC34
  • AS150895EZ TECHNOLOGY COMPANY LIMITED34
  • AS45894FPT Online JSC33
  • AS45557Vietnam Technology And Telecommunication JSC31
  • AS150698Chandpur Online Systems28
  • AS24085Quang Trung Software City Development Company23
  • AS63737VIETSERVER SERVICES TECHNOLOGY COMPANY LIMITED23
  • AS149107TRUMVPS COMPANY LIMITED20
  • AS135967Bach Kim Network Solutions Join Stock Company19
  • AS138915Kaopu Cloud HK Limited16
  • AS24429Zhejiang Taobao Network15
  • AS56150Viet Solutions Services Trading Company Limited13
  • AS140825Thien Quang Digital Technology Joint Stock Company12
  • AS131349Digital Telecomminication Service Joint Stock11
  • AS140807Nguyen Ngoc Thanh Trading Limited Company11
  • AS150820LIENVPS TECHNOLOGY COMPANY LIMITED11
  • AS150859SANDCLOCK SERVICE TRADING COMPANY LIMITED11
  • AS135932Viet Storage Technology Joint Stock Company10
  • AS150828VMON CLOUD COMPANY LIMITED10
  • AS140832Vietnam F Tech., JSC9
  • AS14593Space Exploration Technologies Corporation8
  • AS45896Mobifone Global JSC8
  • AS131366Lanit Technology And Communication Joint Stock Company8
  • AS131423Branch Of Long Van System Solution JSC Hanoi8
  • AS135916Descr: No. 14, 256 Bach Dang, Chuong Duong, Hoan Kiem, Hanoi8
  • AS135921Maxserver Company Limited8
  • AS45544SUPERDATA VN7
  • AS63765HOSTVN Technology Solutions Joint Stock Company7
  • AS131353NhanHoa Software Company7
  • AS140822ANPHATIDC7
  • AS149089CLOUDFLY CORPORATION7
  • AS151872CLOUD DATA TECHNOLOGY AND COMMUNICATION COMPANY LIMITED7
  • AS154106VNG ONLINE COMPANY LIMITED7
  • AS131402FPT Software Company Limited6
  • AS135964RVC Rong Viet Trade Service Telecom Company Limited6
  • AS153320SANDCLOCK SERVICE TRADING COMPANY LIMITED6
  • AS63732GALAXY PLAY JOINT STOCK COMPANY5
  • AS63760AZDIGI Corporation5
  • AS131126Vietnam Airlines5
  • AS131365Digital Infrastructure Center Digital Transformation Department Ministry Of Agriculture And Environment5
  • AS131396Rmit International University Vietnam5
  • AS135908ECONET VIETNAM CORPORATION5
  • AS135922Clearsky Service Solutions Company Limited5
  • AS13592516 Au , Tan Son Nhi Ward, Tan Phu District, Ho Chi Minh City (EVNSPC Building)5
  • AS140775GLOBAL INFORMATICS TELECOMMUNICATIONS JOINT STOCK COMPANY5
  • AS149139VGP JOINT STOCK COMPANY5
  • AS19551Incapsula4
  • AS45552METASERV COMPANY LIMITED4
  • AS131373Information Technology Center Ministry Of Science And Technology4
  • AS135913MB Ages Life Insurance Company Limited4
  • AS135933Bac A Commercial Joint Stock Bank4
  • AS135945VTC Online Joint Stock Company4
  • AS139057Edgenext Legend Dynasty Pte4
  • AS140799VIET NAM CLOUD TECHNOLOGY JOINT STOCK COMPANY4
  • AS149161MEGA TECHNOLOGY COMPANY LIMITED4
  • AS45541Information Technology Center Joint Stock Commercial Bank For Investment And Development Of Vietnam3
  • AS54994Meteverse Limited3
  • AS131358Telehouse International Corporation Of Vietnam3
  • AS131375Information Technology Center Ministry Of Science And Technology3
  • AS131419NATIONAL PAYMENT CORPORATION OF VIET NAM3
  • AS135942Adsota Corporation3
  • AS140739USDC TECHNOLOGY JSC3
  • AS149131Optimal Agency3
  • AS152935PROXY VN TECHNOLOGY COMPANY LIMITED3
  • AS152949AZ VIETNAM TECHNOLOGY JOINT STOCK COMPANY3
  • AS38735Global Data Service Joint Stock Company2
  • AS42473ANEXIA Cloud Solutions2
  • AS55322North Power Company2
  • AS63199CDS Global Cloud2
  • AS63734365 Online Technology Joint Stock Company2
  • AS63735Hoatoc Company Limited2
  • AS63739VIETPN Company Limited2
  • AS63744DNSE Securities Joint Stock Company2
  • AS63756VSTV VN2
  • AS63766VEGAGAME VN2
  • AS131124Vietnam Bank For Social Policies2
  • AS131127GLOBAL TECHNOLOGY TELECOMMUNICATIONS CORPORATION2
  • AS131343Vietnam Internationl Commercial Joint Stock Bank2
  • AS131391Vietnam Asia Commercial Joint Stock Bank2
  • AS131408TPBANK VN2
  • AS135906BOOKING247 COMPANY LIMITED2
  • AS135911VietNam Maritime Commercial Joint Stock Bank2
  • AS135912VNETWORK Joint Stock Company2
  • AS135919MB SHINSEI Finance Limited Liability Company2
  • AS135963Information Technology Center Ministry Of Home Affairs2
  • AS135969Sen Do Technology Joint Stock Company2
  • AS135974National Power Transmission Corporation2
  • AS135977Vietnam BDA Technology And Communication Joint Stock Company2
  • AS135990Everest Global Joint Stock Company2

Other adjacent networks (11)

Adjacent to AS18403 in the transit part of AS paths: peers, providers or customers.

  • AS37468Angola Cables Angola Cables7
  • AS20764RASCOM CJSC RASCOM6
  • AS135338STARCLOUD INFORMATION LIMITED6
  • AS38726VTC DIGICOM3
  • AS63741DCNET TELECOM3
  • AS23962Vietnam Internet Network Information Center2
  • AS135930Anycast Networks (VN)2
  • AS4635Hong Kong Internet Exchange Route Server 11
  • AS34549MEER Meerfarbig & . KG1
  • AS58057SECUREBIT1
  • AS140813DIGITAL SOLUTION AND TELECOMMUNICATIONS SERVICE JOINT STOCK COMPANY1
ASPA
No ASPA0 upstreams, 1 downstream
Listed as Upstream Provider by
1 ASN
View full ASPA details →
External Links
APNIC WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/18403

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

curl -s "https://api.ipctl.io/v1/asn/18403" | jq