2a12:cb41:808::

Tokyo · Japan · zhenyun sun

Hosting

Registration lookup IPv6 address formats

Autonomous system: AS204921
Country: JP
Risk score: Not a probability

IP address summary

IP address: 2a12:cb41:808::
ASN: AS204921
Network operator: zhenyun sun
ISP: zhenyun sun
Containing network profile: 2a12:cb41::/32
Operator category: Hosting

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS204921
Source label: YunZheng-Network zhenyun sun
Reference interval: 2a12:cb41:808:: to 2a12:cb41:80c:ffff:ffff:ffff:ffff:ffff
Collected: 2026-11-02

IPtoASN maps this address interval to AS204921. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Japan
City: Tokyo
Region: Tokyo
Postal code: Not supplied
Timezone: Asia/Tokyo
Local time: 2026-11-09 07:52:11
Approximate coordinates: 35.704, 139.683

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingClassified

MobileNot classified

Risk score

0/ 100

No elevated indicators

Threat evidence: 0No threat-feed match
Anonymity context: 0Policy points

Score = max(threat, anonymity). Overlapping signals are not added.

Hosting network
0

Threat-feed coverageCurrent at lookup

Attribution and snapshot details

DROP IPv6Current at lookup: Checked: Nov 8, 2026, 5:03 AM UTC
Valid until: Nov 9, 2026, 7:03 AM UTC
ASN-DROPCurrent at lookup: Checked: Nov 8, 2026, 5:03 AM UTC
Valid until: Nov 9, 2026, 7:03 AM UTC

ipquery-risk-v3

A low score is not proof that an address is safe. This assessment describes an address, not a person or a request.

View scoring method

Read exact field definitions

ASN and network operator

AS204921 profile

Organization: zhenyun sun
ASN domain: as204921.net
Operator type: Hosting

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 2a12:cb41:808::/48
Registered network name: VEND-YUNZHENG-RESEARCH-TYO-ER2
Registered network block: 2a12:cb41:808::/48
Registration source: RIPENCC WHOIS
Company: YunZheng.Space VNET Endpoint - Tokyo ER2
Usage type: hosting
Company website: yunzheng.space

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: Abuse contact role object
Published contact network: 2a12:cb41:808::/48
Abuse email: noc@as204921.net
Phone: +852-31651702
Postal address: 67-1/13b Tartu mnt, Harjumma, Tallinn, Estonia
Contact country: Estonia

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

2a12:cb41:808:: · live response

{
  "ip": "2a12:cb41:808::",
  "isp": {
    "asn": "AS204921",
    "org": "zhenyun sun",
    "isp": "zhenyun sun"
  },
  "location": {
    "country": "Japan",
    "country_code": "JP",
    "city": "Tokyo",
    "state": "Tokyo",
    "zipcode": "",
    "latitude": 35.70375159981334,
    "longitude": 139.68287200912815,
    "timezone": "Asia/Tokyo",
    "localtime": "2026-11-09T07:52:11"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": true,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v3",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [
        {
          "code": "hosting",
          "score": 0,
          "source": "ipquery-classifier"
        }
      ],
      "sources": [
        {
          "id": "spamhaus_drop_v6",
          "status": "fresh",
          "checked_at": "2026-11-08T05:03:53Z",
          "expires_at": "2026-11-09T07:03:53Z",
          "published_at": "2026-11-05T09:14:02Z"
        },
        {
          "id": "spamhaus_asndrop",
          "status": "fresh",
          "checked_at": "2026-11-08T05:03:53Z",
          "expires_at": "2026-11-09T07:03:53Z",
          "published_at": "2026-11-08T04:44:02Z"
        }
      ]
    }
  }
}