210.40.0.41
Education
Data retrieved at
Network
ASN
IP Range
Company
China Education and Research Network Center
Hostname
Not available.
AS Domain
cernet.edu.cn
Using host.io for pre-visualize domains.
Type
Education
Handle
210.40.0.0 - 210.47.255.255
Registered
2008-09-04
Last Changed
2020-10-20
View raw RDAP
{
"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/210.40.0.41",
"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/210.40.0.41",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "CN",
"name": "CERNET-CN",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:51:20Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-10-20T00:56:43Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/210.40.0.41",
"rel": "self",
"href": "https://rdap.apnic.net/ip/210.40.0.0/13",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"China Education and Research Network",
"China Education and Research Network Center",
"Tsinghua University",
"Beijing, 100084"
],
"title": "description"
},
{
"description": [
"NS2.NET.EDU.CN",
"DNS.EDU.CN",
"CDNET52.CDNET.EDU.CN",
"CDNET61.CDNET.EDU.CN",
"DNS.WHNET.EDU.CN",
"DNS.XANET.EDU.CN",
"MARS.SHNET.EDU.CN",
"MAVERICK.SYNET.EDU.CN",
"NS1.NJNET.EDU.CN",
"NS2.NJNET.EDU.CN",
"ORANGE.GZNET.EDU.CN",
"PINEAPPLE.GZNET.EDU.CN",
"SAINT.SYNET.EDU.CN",
"SUN200.WHNET.EDU.CN",
"VENUS.SHNET.EDU.CN",
"XANOC.XANET.EDU.CN",
"service provider"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
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"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2011-12-22T05:14:25Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/210.40.0.41",
"rel": "self",
"href": "https://rdap.apnic.net/entity/LZ1-CN",
"type": "application/rdap+json"
}
],
"handle": "LZ1-CN",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Ling Zhang"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "Network Center\nSouth China University of Technology\nGuangzhou, Guangdong 510641, China\nCN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-20-87110596"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-20-87110019"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2011-12-22T05:14:25Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/210.40.0.41",
"rel": "self",
"href": "https://rdap.apnic.net/entity/JW1-CN",
"type": "application/rdap+json"
}
],
"handle": "JW1-CN",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Jianping Wu"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "China Education and Research Network Center\nRoom 225, Main Building, Tsinghua University\nBeijing 100084\nCN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-6278-5983"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-6278-5933"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2011-12-22T05:14:25Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/210.40.0.41",
"rel": "self",
"href": "https://rdap.apnic.net/entity/XL1-CN",
"type": "application/rdap+json"
}
],
"handle": "XL1-CN",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Xing Li"
],
[
"kind",
{},
"text",
"individual"
],
[
"adr",
{
"label": "China Education and Research Network Center\nRoom 225, Main Building, Tsinghua University\nBeijing 100084\nCN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-6278-5983"
],
[
"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/210.40.0.41",
"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": "210.40.0.0 - 210.47.255.255",
"type": "ALLOCATED PORTABLE",
"startAddress": "210.40.0.0",
"endAddress": "210.47.255.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "210.40.0.0",
"length": 13
}
],
"port43": "whois.apnic.net"
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Valid.
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
210.40.0.0/24
Authorized ASN
AS4538
Abuse Contacts
IP Geolocation
Country
China
Time Zone
Asia/Shanghai
Coordinates
34.7732, 113.722
Continent
Asia
European Union
No.
Phone prefix
+86
Currency
Chinese Yuan (CNY ¥)