Organization
China Education and Research Network (CERNET)
BJR-CERNET
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 202.112.0.0 – 202.113.255.255 CIDR 202.112.0.0/15 Network Name BJR-CERNET Handle 202.112.0.0 - 202.113.255.255 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, Beijing Regional Network Registered On Sep 04, 2008 Last Updated May 28, 2020 Status
active
ASN & Routing
Origin AS AS4538 AS Name ERX-CERNET-BKB - China Education and Research Network Center, CN Announced Prefix 202.113.0.0/16 AS Registry APNIC Prefix Country China (CN) Allocated 1995-09-21 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
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"nro_rdap_profile_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
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"description": [
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"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/202.113.80.0",
"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/202.113.80.0",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "CN",
"name": "BJR-CERNET",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:53:41Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-05-28T02:35:51Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/202.113.80.0",
"rel": "self",
"href": "https://rdap.apnic.net/ip/202.112.0.0/15",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
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"Beijing Regional Network"
],
"title": "description"
},
{
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],
"title": "remarks"
}
],
"entities": [
{
"roles": [
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"events": [
{
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"eventDate": "2017-12-20T12:57:07Z"
},
{
"eventAction": "last changed",
"eventDate": "2018-09-13T12:56:34Z"
}
],
"links": [
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[
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[
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[
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[
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{
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"text",
[
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[
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{
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[
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"text",
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[
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{},
"text",
"[email protected]"
]
]
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},
{
"roles": [
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],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:54:16Z"
},
{
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"eventDate": "2020-09-03T09:14:12Z"
}
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"links": [
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"href": "https://rdap.apnic.net/entity/CER-AP",
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],
"remarks": [
{
"description": [
"[email protected]"
],
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}
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"handle": "CER-AP",
"objectClassName": "entity",
"vcardArray": [
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[
[
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{},
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[
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{},
"text",
"CERNET Helpdesk"
],
[
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{},
"text",
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],
[
"adr",
{
"label": "CERNET Center\nBeijing 100084, China"
},
"text",
[
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""
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],
[
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{
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"text",
"+86-10-6278-4049"
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[
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{
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"text",
"+86-10-6278-5933"
],
[
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{},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
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],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-11-26T03:14:01Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-10T07:51:56Z"
}
],
"links": [
{
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"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"
],
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],
"handle": "IRT-CERNET-AP",
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[
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{
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[
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],
[
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{
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"text",
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],
[
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{
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},
"text",
"+86-10-62785933"
],
[
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{},
"text",
"[email protected]"
],
[
"email",
{
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},
"text",
"[email protected]"
]
]
]
}
],
"handle": "202.112.0.0 - 202.113.255.255",
"type": "ALLOCATED PORTABLE",
"startAddress": "202.112.0.0",
"endAddress": "202.113.255.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
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"length": 15
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.