Whois & RDAP Lookup
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IP Geolocation RDAPIP Range113.23.48.0 - 113.23.63.255
Handle113.23.48.0 - 113.23.63.255
NameFPTDYNAMICIP-NET
TypeALLOCATED NON-PORTABLE
CountryVN
Registered2011-11-21 04:31 UTC
Updated2022-01-17 02:10 UTC
Admin ContactLuong Duy Phuong
Email[email protected]
Phone+84-28-73002222
AddressFPT-VN
Tech ContactNetwork Operation Center
Email[email protected]
Phone+84-28-73093388
AddressFPT Telecom
Abuse Contact[email protected]
Abuse Phone+84-24-35564944
Statusactive
Registry RDAPhttps://rdap.apnic.net
Raw WHOIS response
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '113.23.48.0 - 113.23.63.255'
% Abuse contact for '113.23.48.0 - 113.23.63.255' is '[email protected]'
inetnum: 113.23.48.0 - 113.23.63.255
netname: FPTDYNAMICIP-NET
country: VN
descr: FPT Telecom Company
descr: 2nd floor FPT Building, Pham Hung Road, Cau Giay District, Hanoi
admin-c: LDP12-AP
tech-c: NOC21-AP
status: ALLOCATED NON-PORTABLE
mnt-by: MAINT-VN-FPT
mnt-irt: IRT-VNNIC-AP
last-modified: 2022-01-17T02:10:13Z
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: Luong Duy Phuong
address: FPT-VN
country: VN
phone: +84-28-73002222
e-mail: [email protected]
nic-hdl: LDP12-AP
mnt-by: MAINT-VN-FPT
last-modified: 2023-10-16T02:13:55Z
abuse-mailbox: [email protected]
source: APNIC
person: Network Operation Center
nic-hdl: NOC21-AP
e-mail: [email protected]
address: FPT Telecom
phone: +84-28-73093388
fax-no: +84-28-73008889
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2023-10-16T01:44:54Z
source: APNIC
% Information related to '113.23.52.0/24AS18403'
route: 113.23.52.0/24
origin: AS18403
descr: Vietnam Internet Network Information Center (VNNIC)
18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam
10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
mnt-by: MAINT-VN-FPT
last-modified: 2019-08-01T06:39:53Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1)
% Query time: 422 msec
% WHEN: Wed Jul 29 01:23:34 UTC 2026Raw RDAP JSON (registry) https://rdap.apnic.net
{
"cidr0_cidrs": [
{
"length": 20,
"v4prefix": "113.23.48.0"
}
],
"country": "VN",
"endAddress": "113.23.63.255",
"entities": [
{
"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/ip/113.23.52.163"
}
],
"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": "2012-08-09T05:04:01Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-10-16T01:44:54Z"
}
],
"handle": "NOC21-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/NOC21-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/113.23.52.163"
}
],
"objectClassName": "entity",
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Network Operation Center"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT Telecom"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-28-73093388"
],
[
"tel",
{
"type": "fax"
},
"text",
"+84-28-73008889"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2017-06-29T09:37:26Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-10-16T02:13:55Z"
}
],
"handle": "LDP12-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/LDP12-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/113.23.52.163"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Luong Duy Phuong"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "FPT-VN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+84-28-73002222"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-11-21T04:31:14Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-01-17T02:10:13Z"
}
],
"handle": "113.23.48.0 - 113.23.63.255",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.apnic.net/ip/113.23.48.0/20",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/113.23.52.163"
}
],
"name": "FPTDYNAMICIP-NET",
"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/ip/113.23.52.163"
}
],
"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/ip/113.23.52.163"
}
],
"title": "Whois Inaccuracy Reporting"
}
],
"objectClassName": "ip network",
"port43": "whois.apnic.net",
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"cidr0",
"rdap_level_0"
],
"remarks": [
{
"description": [
"FPT Telecom Company",
"2nd floor FPT Building, Pham Hung Road, Cau Giay District, Hanoi"
],
"title": "description"
}
],
"startAddress": "113.23.48.0",
"status": [
"active"
],
"type": "ALLOCATED NON-PORTABLE"
}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.