Organization
GZR-CERNET
Location
Guangzhou
Guangdong, China (CN)
Hostname
—
Geolocation
China (CN) China
- Country
- China (CN)
- Region
- Guangdong
- City
- Guangzhou
- Continent
- Asia
- Coordinates
- 23.1291, 113.264 View on map ↗
Network Information
IP Range 222.16.0.0 – 222.17.255.255 CIDR 222.16.0.0/15 Network Name GZR-CERNET Handle 222.16.0.0 - 222.17.255.255 Type ALLOCATED PORTABLE Country China (CN) Registry APNIC Description China Education and Research Network, Guangzhou Regional Network Registered On Sep 04, 2008 Last Updated Sep 03, 2020 Status
active
ASN & Routing
Origin AS AS4538 AS Name ERX-CERNET-BKB - China Education and Research Network Center, CN Announced Prefix 222.16.157.0/24 AS Registry APNIC Prefix Country China (CN) Allocated 2003-09-08 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/ip/222.16.157.0",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.apnic.net/ip/222.16.157.0",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "CN",
"name": "GZR-CERNET",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:53:18Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-09-03T09:16:14Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/222.16.157.0",
"rel": "self",
"href": "https://rdap.apnic.net/ip/222.16.0.0/15",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"China Education and Research Network",
"Guangzhou Regional Network"
],
"title": "description"
},
{
"description": [
"origin AS4538",
"confederation",
"GZR-CERNET"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:54:16Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-09-03T09:14:12Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/222.16.157.0",
"rel": "self",
"href": "https://rdap.apnic.net/entity/CER-AP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected]"
],
"title": "remarks"
}
],
"handle": "CER-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"CERNET Helpdesk"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "CERNET Center\nBeijing 100084, China"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-6278-4049"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-6278-5933"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-11-26T03:14:01Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-10T07:51:56Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/222.16.157.0",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CERNET-AP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"timezone GMT+8",
"[email protected] was validated on 2026-09-10"
],
"title": "remarks"
}
],
"handle": "IRT-CERNET-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-CERNET-AP"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Network Center,\nFIT-3-220, Tsinghua Univ\nBeijing 100084, China"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-62784301"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-62785933"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "222.16.0.0 - 222.17.255.255",
"type": "ALLOCATED PORTABLE",
"startAddress": "222.16.0.0",
"endAddress": "222.17.255.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "222.16.0.0",
"length": 15
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.