Whois & RDAP Lookup
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RDAPRaw WHOIS response
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to 'AS17653 - AS18431' as-block: AS17653 - AS18431 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2019-01-08T23:19:07Z source: APNIC role: APNIC Hostmaster address: 6 Cordelia Street address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: [email protected] admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: [email protected] mnt-by: MAINT-APNIC-AP last-modified: 2013-10-23T04:06:51Z source: APNIC % Information related to 'AS18403' % Abuse contact for 'AS18403' is '[email protected]' aut-num: AS18403 as-name: FPT-VN descr: FPT Telecom Company descr: The Corporation for Financing and Promoting Technology descr: 2nd Floor, FPT Cau Giay Tower, 17 Duy Tan, Dich Vong Hau, Cau Giay District, Hanoi country: VN import: from AS4637 action pref=10; accept any import: from AS7643 action pref=10; accept any export: to AS4637 announce AS18403 export: to AS7643 announce AS18403 remarks: mail to: [email protected] admin-c: NHN22-AP admin-c: NVT48-AP admin-c: VHT4-AP tech-c: NTD33-AP notify: [email protected] mnt-by: MAINT-VN-VNNIC mnt-routes: MAINT-VN-FPT mnt-irt: IRT-VNNIC-AP last-modified: 2026-05-25T04:26:45Z source: APNIC irt: IRT-VNNIC-AP address: Ha Noi, VietNam phone: +84-24-35564944 fax-no: +84-24-37821462 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: NTTT1-AP tech-c: NTTT1-AP auth: # Filtered mnt-by: MAINT-VN-VNNIC last-modified: 2026-04-21T02:07:47Z source: APNIC person: Nguyen Hai Nam address: FPT-VN country: VN phone: +84-968560510 e-mail: [email protected] nic-hdl: NHN22-AP mnt-by: MAINT-VN-VNNIC last-modified: 2026-05-18T02:51:32Z source: APNIC person: Nguyen Thanh Dat address: FPT-VN country: VN phone: +84-981998468 e-mail: [email protected] nic-hdl: NTD33-AP mnt-by: MAINT-VN-VNNIC last-modified: 2026-05-18T02:53:13Z source: APNIC person: Nguyen Van Toan address: FPT-VN country: VN phone: +84-988393213 e-mail: [email protected] nic-hdl: NVT48-AP mnt-by: MAINT-VN-VNNIC last-modified: 2026-05-18T02:52:09Z source: APNIC person: Vuong Huu Tho address: FPT-VN country: VN phone: +84-974788112 e-mail: [email protected] nic-hdl: VHT4-AP mnt-by: MAINT-VN-VNNIC last-modified: 2026-05-18T02:52:38Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1) % Query time: 431 msec % WHEN: Wed Jul 29 01:25:21 UTC 2026
Raw RDAP JSON (registry) https://rdap.apnic.net
{
"country": "VN",
"endAutnum": 18403,
"entities": [
{
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-18T02:53:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-18T02:53:13Z"
}
],
"handle": "NTD33-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/NTD33-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"objectClassName": "entity",
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Nguyen Thanh Dat"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT-VN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-981998468"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-18T02:51:32Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-18T02:51:32Z"
}
],
"handle": "NHN22-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/NHN22-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Nguyen Hai Nam"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT-VN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-968560510"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-18T02:52:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-18T02:52:38Z"
}
],
"handle": "VHT4-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/VHT4-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Vuong Huu Tho"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT-VN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-974788112"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2026-05-18T02:52:09Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-18T02:52:09Z"
}
],
"handle": "NVT48-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/NVT48-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Nguyen Van Toan"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT-VN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-988393213"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2010-11-07T23:14:27Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-04-21T02:07:47Z"
}
],
"handle": "IRT-VNNIC-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/IRT-VNNIC-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"objectClassName": "entity",
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-VNNIC-AP"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Ha Noi, VietNam"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-24-35564944"
],
[
"tel",
{
"type": "fax"
},
"text",
"+84-24-37821462"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:34Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-25T04:26:45Z"
}
],
"handle": "AS18403",
"links": [
{
"href": "https://rdap.apnic.net/autnum/18403",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"name": "FPT-VN",
"notices": [
{
"description": [
"Objects returned came from source",
"APNIC"
],
"title": "Source"
},
{
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"href": "http://www.apnic.net/db/dbcopyright.html",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"title": "Terms and Conditions"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.apnic.net/autnum/18403"
}
],
"title": "Whois Inaccuracy Reporting"
}
],
"objectClassName": "autnum",
"port43": "whois.apnic.net",
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"remarks": [
{
"description": [
"FPT Telecom Company",
"The Corporation for Financing and Promoting Technology",
"2nd Floor, FPT Cau Giay Tower, 17 Duy Tan, Dich Vong Hau, Cau Giay District, Hanoi"
],
"title": "description"
},
{
"description": [
"mail to: [email protected]"
],
"title": "remarks"
}
],
"startAutnum": 18403,
"status": [
"active"
]
}Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.