2001:253::

Beijing · China · China Education and Research Network (CERNET)

Registration lookup IPv6 address formats

Autonomous system: AS38272
Country: CN
Risk score: Not a probability

IP address summary

IP address: 2001:253::
ASN: AS38272
Network operator: China Education and Research Network (CERNET)
ISP: China Education and Research Network (CERNET)
Containing network profile: 2001:253::/32
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: AS38272
Source label: FITI-AS-BKB - China Education and Research Network (CERNET)
Reference interval: 2001:253:: to 2001:253:200:ffff:ffff:ffff:ffff:ffff
Collected: 2026-11-02

IPtoASN maps this address interval to AS38272. 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: 2026-11-03 19:09:56
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

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS38272 profile

Organization: China Education and Research Network (CERNET)
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: 2001:253:: – 2001:253:200:ffff:ffff:ffff:ffff:ffff
Registered network name: FITI-CN
Registered network block: 2001:253::/32
Registration source: APNIC WHOIS
Company: China Education and Research Network (CERNET)
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: 2001:253::/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

2001:253:: · live response

{
  "ip": "2001:253::",
  "isp": {
    "asn": "AS38272",
    "org": "China Education and Research Network (CERNET)",
    "isp": "China Education and Research Network (CERNET)"
  },
  "location": {
    "country": "China",
    "country_code": "CN",
    "city": "Beijing",
    "state": "Beijing",
    "zipcode": "",
    "latitude": 39.921751599813334,
    "longitude": 116.38839200912814,
    "timezone": "Asia/Shanghai",
    "localtime": "2026-11-03T19:09:56"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}