Whois & RDAP Lookup
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IP Geolocation RDAPIP Range107.178.128.0 - 107.178.191.255
HandleNET-107-178-128-0-1
NameGC-03
TypeDIRECT ALLOCATION
HolderGCHAO LLC
Registered2014-02-18 21:00 UTC
Updated2014-02-18 21:00 UTC
RegistrantGCHAO LLC
Address1102 W 4th Street, Florence, CO, 81226, United States
Admin ContactCHUAN CHAO GUO
Email[email protected]
Phone+1-812-333-1324
Address1102 W 4th St, Florence, CO, 81226, United States
Tech ContactCHUAN CHAO Guo
Email[email protected]
Phone+1-273-233-1123
Address1102 W 4th Street, Florence, CO, 81226, United States
Abuse Contact[email protected]
Abuse Phone+1-273-233-1123
Statusactive
Registry RDAPhttps://rdap.arin.net
Raw WHOIS response
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 107.178.128.0 - 107.178.191.255 CIDR: 107.178.128.0/18 NetName: GC-03 NetHandle: NET-107-178-128-0-1 Parent: NET107 (NET-107-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: GCHAO LLC (GL-237) RegDate: 2014-02-18 Updated: 2014-02-18 Ref: https://rdap.arin.net/registry/ip/107.178.128.0 OrgName: GCHAO LLC OrgId: GL-237 Address: 1102 W 4th Street City: Florence StateProv: CO PostalCode: 81226 Country: US RegDate: 2013-09-13 Updated: 2013-11-06 Ref: https://rdap.arin.net/registry/entity/GL-237 OrgTechHandle: GCC4-ARIN OrgTechName: Guo, CHUAN CHAO OrgTechPhone: +1-273-233-1123 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GCC4-ARIN OrgAbuseHandle: GCC2-ARIN OrgAbuseName: Guo, CHUAN CHAO OrgAbusePhone: +1-273-233-1123 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/GCC2-ARIN OrgNOCHandle: GCC4-ARIN OrgNOCName: Guo, CHUAN CHAO OrgNOCPhone: +1-273-233-1123 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/GCC4-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # % Query time: 520 msec % WHEN: Thu Jul 30 06:04:00 UTC 2026
Raw RDAP JSON (registry) https://rdap.arin.net
{
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"cidr0_cidrs": [
{
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"v4prefix": "107.178.128.0"
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],
"endAddress": "107.178.191.255",
"entities": [
{
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"events": [
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"eventAction": "last changed",
"eventDate": "2025-09-29T04:39:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-09-11T00:33:40-04:00"
}
],
"handle": "GCC1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GCC1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
},
{
"href": "https://whois.arin.net/rest/poc/GCC1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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"status": [
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"text",
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},
{
"events": [
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"eventDate": "2025-09-29T04:38:47-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-09-11T01:18:12-04:00"
}
],
"handle": "GCC4-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
},
{
"href": "https://whois.arin.net/rest/poc/GCC4-ARIN",
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"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"objectClassName": "entity",
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"roles": [
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]
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},
{
"events": [
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"eventAction": "last changed",
"eventDate": "2025-02-15T12:54:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "2013-09-11T01:16:26-04:00"
}
],
"handle": "GCC2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GCC2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
},
{
"href": "https://whois.arin.net/rest/poc/GCC2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-02-15"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
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{},
"text",
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],
[
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{
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],
"events": [
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"eventDate": "2013-11-06T13:23:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "2013-09-13T12:37:28-04:00"
}
],
"handle": "GL-237",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GL-237",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
},
{
"href": "https://whois.arin.net/rest/org/GL-237",
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"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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"vcardArray": [
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"events": [
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"eventDate": "2014-02-18T16:00:18-05:00"
},
{
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"eventDate": "2014-02-18T16:00:16-05:00"
}
],
"handle": "NET-107-178-128-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/107.178.128.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
},
{
"href": "https://whois.arin.net/rest/net/NET-107-178-128-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"name": "GC-03",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/107.178.140.37"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-107-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "107.178.128.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}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.