Whois & RDAP Lookup
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RDAPIP Range240c:4000:: - 240c:43ff:ffff:ffff:ffff:ffff:ffff:ffff
Handle240c:4000::/22
NameBaidu
TypeALLOCATED PORTABLE
CountryCN
HolderChina Internet Network Information Center
Registered2018-11-13 09:48 UTC
Updated2023-11-28 00:57 UTC
RegistrantChina Internet Network Information Center
Email[email protected]
Phone+86-10-58813000
AddressFloor1, Building No.1 C/-Chinese Academy of Sciences, 4, South 4th Street, Haidian District,
Admin ContactNan Wang
Email[email protected]
Phone+8610-59927164
AddressBaidu Plaza, No.10, Shangdi 10th street,Haidian District Beijing,100080
Tech ContactJacky Chang
Email[email protected]
Phone+8610-82602288-7280
Address10th Floor No.6 2nd North Street Haidian District Beijing,100080
Abuse Contact[email protected]
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 '240c:4000::/22' % Abuse contact for '240c:4000::/22' is '[email protected]' inet6num: 240c:4000::/22 netname: Baidu descr: Beijing Baidu Netcom Science and Technology Co., Ltd. descr: Baidu Plaza, No.10, Shangdi 10th street descr: Haidian District Beijing,100080 country: CN org: ORG-CINI1-AP admin-c: WN141-AP tech-c: JC2179-AP abuse-c: AC1601-AP status: ALLOCATED PORTABLE mnt-by: MAINT-CNNIC-AP mnt-irt: IRT-BAIDU-CN mnt-lower: MAINT-CNNIC-AP mnt-routes: MAINT-CNNIC-AP last-modified: 2023-11-28T00:57:52Z source: APNIC irt: IRT-BAIDU-CN address: 12f,lixiang building ,zhongguancun,beijing e-mail: [email protected] abuse-mailbox: [email protected] admin-c: ZKY3-AP tech-c: ZKY3-AP auth: # Filtered mnt-by: MAINT-CNNIC-AP last-modified: 2025-11-18T00:35:07Z source: APNIC organisation: ORG-CINI1-AP org-name: China Internet Network Information Center org-type: NIR country: CN address: Floor1, Building No.1 C/-Chinese Academy of Sciences address: 4, South 4th Street address: Haidian District, phone: +86-10-58813000 fax-no: +86-10-58813075 e-mail: [email protected] mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T01:49:56Z source: APNIC role: ABUSE CNNICCN country: ZZ address: Beijing, China phone: +000000000 e-mail: [email protected] admin-c: IP50-AP tech-c: IP50-AP nic-hdl: AC1601-AP remarks: Generated from irt object IRT-CNNIC-CN remarks: [email protected] is invalid abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2025-09-19T17:20:32Z source: APNIC person: Jacky Chang nic-hdl: JC2179-AP address: 10th Floor No.6 2nd North Street Haidian District Beijing,100080 country: CN phone: +8610-82602288-7280 fax-no: +8610-62684273 e-mail: [email protected] mnt-by: MAINT-CNNIC-AP last-modified: 2008-09-04T07:50:21Z source: APNIC person: Nan Wang address: Baidu Plaza, No.10, Shangdi 10th street,Haidian District Beijing,100080 country: CN phone: +8610-59927164 fax-no: +8610-62684273 e-mail: [email protected] nic-hdl: WN141-AP mnt-by: MAINT-CNNIC-AP last-modified: 2010-03-22T04:06:01Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-SG1) % Query time: 444 msec % WHEN: Sat Aug 15 02:39:10 UTC 2026
Raw RDAP JSON (registry) https://rdap.apnic.net
{
"cidr0_cidrs": [
{
"length": 22,
"v6prefix": "240c:4000::"
}
],
"country": "CN",
"endAddress": "240c:43ff:ffff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"events": [
{
"eventAction": "registration",
"eventDate": "2017-08-08T23:23:56Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T01:49:56Z"
}
],
"handle": "ORG-CINI1-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/ORG-CINI1-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/240c:4080::/28"
}
],
"objectClassName": "entity",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"China Internet Network Information Center"
],
[
"kind",
{},
"text",
"org"
],
[
"adr",
{
"label": "Floor1, Building No.1 C/-Chinese Academy of Sciences\n4, South 4th Street\nHaidian District,"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-58813000"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-58813075"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2010-03-22T04:06:01Z"
},
{
"eventAction": "last changed",
"eventDate": "2010-03-22T04:06:01Z"
}
],
"handle": "WN141-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/WN141-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/240c:4080::/28"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Nan Wang"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "Baidu Plaza, No.10, Shangdi 10th street,Haidian District Beijing,100080"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+8610-59927164"
],
[
"tel",
{
"type": "fax"
},
"text",
"+8610-62684273"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:50:21Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:50:21Z"
}
],
"handle": "JC2179-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/JC2179-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/240c:4080::/28"
}
],
"objectClassName": "entity",
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Jacky Chang"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "10th Floor No.6 2nd North Street Haidian District Beijing,100080"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+8610-82602288-7280"
],
[
"tel",
{
"type": "fax"
},
"text",
"+8610-62684273"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2018-11-13T09:48:11Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-11-28T00:57:52Z"
}
],
"handle": "240c:4000::/22",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.apnic.net/ip/240c:4000::/22",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/240c:4080::/28"
}
],
"name": "Baidu",
"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/240c:4080::/28"
}
],
"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/240c:4080::/28"
}
],
"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": [
"Beijing Baidu Netcom Science and Technology Co., Ltd.",
"Baidu Plaza, No.10, Shangdi 10th street",
"Haidian District Beijing,100080"
],
"title": "description"
}
],
"startAddress": "240c:4000::",
"status": [
"active"
],
"type": "ALLOCATED 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.