Organization
CYNET
Location
Beijing
Beijing, China (CN)
Hostname
—
Geolocation
China (CN) China
- Country
- China (CN)
- Region
- Beijing
- City
- Beijing
- Continent
- Asia
- Coordinates
- 39.9042, 116.407 View on map ↗
Network Information
IP Range 221.128.128.0 – 221.128.255.255 CIDR 221.128.128.0/17 Network Name CYNET Handle 221.128.128.0 - 221.128.255.255 Type ALLOCATED PORTABLE Country China (CN) Registry APNIC Description Beijing Chang Ying Netowrk Service Co.Ltd, No.198 Fuxing Rd., Xicheng Beijing Registered On Apr 11, 2011 Last Updated Jun 16, 2021 Status
active
ASN & Routing
Origin AS AS18180 AS Name TWNIC-AS - Taiwan Network Information Center, TW Announced Prefix 221.128.240.0/22 AS Registry APNIC Prefix Country China (CN) Allocated 2011-04-12 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Email [email protected]
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/221.128.243.0",
"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/221.128.243.0",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "CN",
"name": "CYNET",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-04-11T23:03:25Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-06-16T01:30:50Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/221.128.243.0",
"rel": "self",
"href": "https://rdap.apnic.net/ip/221.128.128.0/17",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Beijing Chang Ying Netowrk Service Co.Ltd",
"No.198 Fuxing Rd., Xicheng Beijing"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2013-06-14T08:32:01Z"
},
{
"eventAction": "last changed",
"eventDate": "2013-06-14T08:32:01Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/221.128.243.0",
"rel": "self",
"href": "https://rdap.apnic.net/entity/BW734-AP",
"type": "application/rdap+json"
}
],
"handle": "BW734-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-11-08T06:47:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-11-17T23:08:37Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/221.128.243.0",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CNNIC-CN",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Please note that CNNIC is not an ISP and is not",
"empowered to investigate complaints of network abuse.",
"Please contact the tech-c or admin-c of the network.",
"[email protected] is invalid"
],
"title": "remarks"
}
],
"handle": "IRT-CNNIC-CN",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-CNNIC-CN"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Beijing, China"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "221.128.128.0 - 221.128.255.255",
"type": "ALLOCATED PORTABLE",
"startAddress": "221.128.128.0",
"endAddress": "221.128.255.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "221.128.128.0",
"length": 17
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.