1.233.227.0

Seoul · South Korea · Yonsei University

Autonomous system: AS4665
Country: KR
Risk score

IP address summary

IP address: 1.233.227.0
ASN: AS4665
Network operator: Yonsei University
ISP: Yonsei University
Containing network profile: 1.233.0.0/16
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: AS4665
Source label: YONSEI-AS-KR-KR - Yonsei University
Reference interval: 1.233.227.0 to 1.233.255.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS4665. 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: South Korea
City: Seoul
Region: Seoul
Postal code: Not supplied
Timezone: Asia/Seoul
Local time: 2026-11-15 09:05:45
Approximate coordinates: 37.580, 126.970

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

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

Read exact field definitions

ASN and network operator

AS4665 profile

Organization: Yonsei University
ASN domain: yonsei.ac.kr
Operator type: Academic

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

Network registration

Matching record range: 1.233.206.0 – 1.233.255.255
Registered network name: YONSEI-NET
Registration source: APNIC WHOIS
Company: Yonsei University
Usage type: business
Company website: yonsei.ac.kr

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

Abuse contact

Contact name: IP Manager
Matching record range: 1.233.206.0 – 1.233.255.255
Abuse email: network@yonsei.ac.kr
Phone: +82-2-2123-3411
Postal address: Seoul Seodaemun-gu Yonsei-ro 50, Yonsei University
Contact country: South Korea

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

1.233.227.0 · live response

{
  "ip": "1.233.227.0",
  "isp": {
    "asn": "AS4665",
    "org": "Yonsei University",
    "isp": "Yonsei University"
  },
  "location": {
    "country": "South Korea",
    "country_code": "KR",
    "city": "Seoul",
    "state": "Seoul",
    "zipcode": "",
    "latitude": 37.58025159981334,
    "longitude": 126.96956200912814,
    "timezone": "Asia/Seoul",
    "localtime": "2026-11-15T09:05:45"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}