2001:da8:258::

Beijing · China · China Next Generation Internet CERNET2

Registration lookup IPv6 address formats

Autonomous system: AS23910
Country: CN
Risk score: Not a probability

IP address summary

IP address: 2001:da8:258::
ASN: AS23910
Network operator: China Next Generation Internet CERNET2
ISP: China Next Generation Internet CERNET2
Containing network profile: No indexed aggregate
Operator category: Academic

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

Public ASN reference

Reference ASN: AS23910
Source label: CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2
Reference interval: 2001:da8:258:: to 2001:da8:ffff:ffff:ffff:ffff:ffff:ffff
Collected: 2026-11-02

IPtoASN maps this address interval to AS23910. 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: China
City: Beijing
Region: Beijing
Postal code: Not supplied
Timezone: Asia/Shanghai
Local time: 2026-11-05 12:52:12
Approximate coordinates: 39.922, 116.388

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

HostingNot classified

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.

Threat-feed coverageCurrent at lookup

Attribution and snapshot details

DROP IPv6Current at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC
ASN-DROPCurrent at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC

ipquery-risk-v2

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

AS23910 profile

Organization: China Next Generation Internet CERNET2
ASN domain: cernet.edu.cn
Operator type: Academic

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

Network registration

Matching record range: 2001:da8:258:: – 2001:da8:ffff:ffff:ffff:ffff:ffff:ffff
Registered network name: CNGI-CERNET2-CN-20031110
Registered network block: 2001:da8::/32
Registration source: APNIC WHOIS
Company: China Next Generation Internet CERNET2
Usage type: business
Company website: cernet.edu.cn

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 CERNETAP
Published contact network: 2001:da8::/32
Abuse email: abuse@cernet.edu.cn
Phone: +86-10-62784301
Postal address: Network Center, FIT-3-220, Tsinghua Univ, Beijing 100084, China
Contact country: China

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

2001:da8:258:: · live response

{
  "ip": "2001:da8:258::",
  "isp": {
    "asn": "AS23910",
    "org": "China Next Generation Internet CERNET2",
    "isp": "China Next Generation Internet CERNET2"
  },
  "location": {
    "country": "China",
    "country_code": "CN",
    "city": "Beijing",
    "state": "Beijing",
    "zipcode": "",
    "latitude": 39.921751599813334,
    "longitude": 116.38839200912814,
    "timezone": "Asia/Shanghai",
    "localtime": "2026-11-05T12:52:12"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v2",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [],
      "sources": [
        {
          "id": "spamhaus_drop_v6",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-04T10:14:02Z"
        },
        {
          "id": "spamhaus_asndrop",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-05T03:44:02Z"
        }
      ]
    }
  }
}