Korean Register class status lookup
Korean Register (KR) appears in the IACS data under the code KR. As of 30 September 2026 the IACS dataset lists 2,559 ships classed by Korean Register: 1,589 in class, 68 suspended and 283 withdrawn. Look up any Korean Register-classed ship by IMO number below, or check up to 100 at once through the API.
Korean Register fleet by class status
How the 2,559 ships listed under KR break down by their latest IACS status:
| Status | Vessels | Share | Meaning |
|---|---|---|---|
| Delivered | 1,312 | 51.3% | In class |
| Reinstated | 249 | 9.7% | In class |
| Reassigned | 28 | 1.1% | In class |
| Suspended | 68 | 2.7% | Not in class |
| Withdrawn | 283 | 11.1% | Not in class |
| No status recorded | 619 | 24.2% | Not stated |
Most common reasons for status changes
The reason recorded with each ship's latest status change, where one is given:
| Reason | Vessels |
|---|---|
| Survey overdue | 138 |
| Owner's request for other reasons | 137 |
| Transfer of class to another IACS member | 41 |
| Sold for recycling (scrap) | 30 |
| Transfer of class to a non-IACS society | 11 |
About Korean Register
- Full name: Korean Register (KR)
- Also known as: KR, Korean Register of Shipping
- Founded: 1960
- Headquarters: Busan, South Korea
- IACS code:
KR - Website: www.krs.co.kr
Check Korean Register class status through the API
Send IMO numbers to /vessels. Ships classed by Korean Register come back with "class": "KR":
curl -X POST https://vessel-class-finder-production.up.railway.app/vessels \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"imos": [9321483, 9074729]}'Filter the response on class == "KR" to find the Korean Register-classed ships in a list, and on status to find any that are suspended or withdrawn.
Check a whole fleet at once
Free API key: 100 lookups a month, up to 100 IMO numbers per request. Paid plans from €49/month.
Get a free API keyFrequently asked questions
How do I check if a ship is classed by Korean Register?
Enter the ship's 7-digit IMO number in the lookup on this page. If Korean Register classes it, the result shows class society KR, the class status and the last and next survey dates. For many ships at once, use the API with up to 100 IMO numbers per request.
What code does Korean Register use in IACS data?
KR. The IACS Vessels in Class dataset and this API identify Korean Register (KR) as "KR".
How many ships does Korean Register class?
As of 30 September 2026, the IACS dataset lists 2,559 ships under Korean Register, of which 1,589 are in class (Delivered, Reinstated or Reassigned), 68 suspended and 283 withdrawn. That makes it number 8 of the 12 IACS members by ships listed.
Is this official Korean Register data?
It is Korean Register's own data as published by IACS in its Vessels in Class dataset, refreshed weekly. It is not a substitute for class certificates or the society's own records, which remain authoritative.
Can I get Korean Register class status through an API?
Yes. POST a list of IMO numbers to /vessels with your API key and each result includes the class society code, status, survey dates and reason for the latest status change. The free tier includes 100 lookups a month.
Other IACS classification societies
Numbers come from IACS's public Vessels in Class dataset and cover only ships classed by IACS members. They are not a substitute for class certificates or the society's own records.