Organization
China Education and Research Network (CERNET)
FITI-CN
Location
Haidian (Haidian Qu)
Beijing, China (CN)
Hostname
—
Geolocation
China (CN) China
- Country
- China (CN)
- Region
- Beijing
- City
- Haidian (Haidian Qu)
- Continent
- Asia
- Coordinates
- 39.9997, 116.326 View on map ↗
Network Information
IP Range 2001:253:: – 2001:253:ffff:ffff:ffff:ffff:ffff:ffff CIDR 2001:253::/32 Network Name FITI-CN Handle 2001:253::/32 Type ALLOCATED PORTABLE Organization China Education and Research Network (CERNET) Organization ID ORG-CEAR1-AP Address FIT 3-220,, Tsinghua University Country China (CN) Registry APNIC Description China Education and Research Network, Future Internet Technology Infrastructure, Tsinghua University Registered On Jun 01, 2021 Last Updated Jun 01, 2021 Status
active
ASN & Routing
Origin AS AS142105 AS Name AS142105-39 - China Education and Research Network (CERNET), CN Announced Prefix 2001:253:239::/48 AS Registry APNIC Prefix Country China (CN) Allocated 2021-06-03 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/2001:253:239::",
"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/2001:253:239::",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "CN",
"name": "FITI-CN",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-06-01T02:00:56Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-06-01T02:00:56Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/2001:253:239::",
"rel": "self",
"href": "https://rdap.apnic.net/ip/2001:253::/32",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"China Education and Research Network",
"Future Internet Technology Infrastructure",
"Tsinghua University"
],
"title": "description"
},
{
"description": [
"--------------------------------------------------------",
"To report network abuse, please contact mnt-irt",
"For troubleshooting, please contact tech-c and admin-c",
"Report invalid contact via www.apnic.net/invalidcontact",
"--------------------------------------------------------"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-12-20T12:57:07Z"
},
{
"eventAction": "last changed",
"eventDate": "2018-09-13T12:56:34Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/2001:253:239::",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-CEAR1-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-CEAR1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"China Education and Research Network (CERNET)"
],
[
"kind",
{},
"text",
"org"
],
[
"adr",
{
"label": "FIT 3-220,\nTsinghua University"
},
"text",
[
"",
"",
"",
"",
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"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+86-10-62785983"
],
[
"tel",
{
"type": "fax"
},
"text",
"+86-10-62785933"
],
[
"email",
{},
"text",
"[email protected]"
]
]
]
},
{
"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/2001:253:239::",
"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/2001:253:239::",
"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",
[
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{},
"text",
"4.0"
],
[
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{},
"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": "2001:253::/32",
"type": "ALLOCATED PORTABLE",
"startAddress": "2001:253::",
"endAddress": "2001:253:ffff:ffff:ffff:ffff:ffff:ffff",
"objectClassName": "ip network",
"ipVersion": "v6",
"cidr0_cidrs": [
{
"v6prefix": "2001:253::",
"length": 32
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.