Whois & RDAP Lookup
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IP Geolocation RDAPIP Range211.90.0.0 - 211.91.255.255
Handle211.90.0.0 - 211.91.255.255
NameUNICOM
TypeALLOCATED PORTABLE
CountryCN
Registered2008-09-04 06:49 UTC
Updated2021-06-16 01:26 UTC
Admin ContactUnicom China Hostmaster
Email[email protected]
Phone+86-10-6527-8866
Address911 Room,Xin Tong Center,No.8 Beijing Railway Station, East Avenue, Beijing,PRC.
Tech ContactUnicom China
Email[email protected]
Phone+86-10-6527-8866
Address911 Room,Xin Tong Center,No.8 Beijing Railway Station, East Avenue, Beijing,PRC.
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 '211.90.0.0 - 211.91.255.255' % Abuse contact for '211.90.0.0 - 211.91.255.255' is '[email protected]' inetnum: 211.90.0.0 - 211.91.255.255 netname: UNICOM descr: China United Telecommunications Corporation country: CN admin-c: UCH1-AP tech-c: UC6-AP abuse-c: AC1601-AP status: ALLOCATED PORTABLE mnt-by: MAINT-CNNIC-AP mnt-irt: IRT-CNNIC-CN last-modified: 2021-06-16T01:26:23Z source: APNIC irt: IRT-CNNIC-CN address: Beijing, China e-mail: [email protected] abuse-mailbox: [email protected] admin-c: IP50-AP tech-c: IP50-AP auth: # Filtered remarks: Please note that CNNIC is not an ISP and is not remarks: empowered to investigate complaints of network abuse. remarks: Please contact the tech-c or admin-c of the network. remarks: [email protected] is invalid mnt-by: MAINT-CNNIC-AP last-modified: 2025-11-17T23:08:37Z 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 role: Unicom China Hostmaster address: 911 Room,Xin Tong Center,No.8 Beijing Railway Station address: East Avenue, Beijing,PRC. country: CN phone: +86-10-6527-8866 fax-no: +86-10-6526-0124 e-mail: [email protected] admin-c: RX9-AP tech-c: RX9-AP nic-hdl: UCH1-AP notify: [email protected] mnt-by: MAINT-CN-CNNIC-UNICOM last-modified: 2008-09-04T07:54:16Z source: APNIC person: Unicom China address: 911 Room,Xin Tong Center,No.8 Beijing Railway Station address: East Avenue, Beijing,PRC. country: CN phone: +86-10-6527-8866 fax-no: +86-10-6526-0124 e-mail: [email protected] nic-hdl: UC6-AP mnt-by: MAINT-CNNIC-AP last-modified: 2008-09-04T07:29:43Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1) % Query time: 308 msec % WHEN: Fri Aug 07 07:52:54 UTC 2026
Raw RDAP JSON (registry) https://rdap.apnic.net
{
"cidr0_cidrs": [
{
"length": 15,
"v4prefix": "211.90.0.0"
}
],
"country": "CN",
"endAddress": "211.91.255.255",
"entities": [
{
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:43Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:29:43Z"
}
],
"handle": "UC6-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/UC6-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/211.91.184.92"
}
],
"objectClassName": "entity",
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Unicom China"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "911 Room,Xin Tong Center,No.8 Beijing Railway Station\nEast Avenue, Beijing,PRC."
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-6527-8866"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-6526-0124"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2010-11-08T06:47:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-11-17T23:08:37Z"
}
],
"handle": "IRT-CNNIC-CN",
"links": [
{
"href": "https://rdap.apnic.net/entity/IRT-CNNIC-CN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/211.91.184.92"
}
],
"objectClassName": "entity",
"remarks": [
{
"description": [
"Please note that CNNIC is not an ISP and is not",
"empowered to investigate complaints of network abuse.",
"Please contact the tech-c or admin-c of the network.",
"[email protected] is invalid"
],
"title": "remarks"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-CNNIC-CN"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Beijing, China"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:54:16Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:54:16Z"
}
],
"handle": "UCH1-AP",
"links": [
{
"href": "https://rdap.apnic.net/entity/UCH1-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/211.91.184.92"
}
],
"objectClassName": "entity",
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Unicom China Hostmaster"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "911 Room,Xin Tong Center,No.8 Beijing Railway Station\nEast Avenue, Beijing,PRC."
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-6527-8866"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-6526-0124"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:49:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-06-16T01:26:23Z"
}
],
"handle": "211.90.0.0 - 211.91.255.255",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.apnic.net/ip/211.90.0.0/15",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.apnic.net/ip/211.91.184.92"
}
],
"name": "UNICOM",
"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/211.91.184.92"
}
],
"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/211.91.184.92"
}
],
"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": [
"China United Telecommunications Corporation"
],
"title": "description"
}
],
"startAddress": "211.90.0.0",
"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.