Who assigns IPI numbers?

IPI numbers are assigned by performing rights organizations (PROs) like ASCAP, BMI, SESAC, SOCAN, PRS, GEMA, SACEM, JASRAC, and others. SUISA (the Swiss PRO) maintains the global IPI database on behalf of CISAC, the international confederation of authors and composers societies.

IPI · Songwriter

MARK I LEONARD

00121040253

7 works

Last verified: September 13, 2026

The IPI number for MARK I LEONARD is 00121040253. IPI numbers are unique 11-digit Interested Parties Information codes managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to track royalty payments to rights holders. MARK I LEONARD is indexed as a songwriter. MARK I LEONARD has 7 registered works indexed on Credits.fm.

Format

0012104025Sequential number

3Check digit

Sequential number:: Globally unique number assigned by CISAC/SUISA when the rights-holder was registered.
Check digit:: ISO 7064 Mod 10-1 check digit that validates the IPI.

Credit Chain

ISWC7 works

IPIMARK I LEONARD

Works

Publishers

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Avg. Share

Top Publishers

WC MUSIC CORPOriginalPublisher

10 shared recordings

Releases (4)

Releases that include recordings connected to this catalog.

UPC: 0886979875821 UPC: 198391567766 UPC: 5021732955999 UPC: 886445361995

SourcesMLC

Identifier Graph

Who is IPI 00121040253?

00121040253 is an Interested Parties Information (IPI) code assigned to MARK I LEONARD, a songwriter. IPI numbers are unique identifiers managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to identify rights holders and distribute royalties.

MARK I LEONARD has 7 musical works (ISWCs) in our database. Top collaborators include WC MUSIC CORP.

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MARK I LEONARD

Format

Top Publishers

Releases (4)

People also ask

Who is IPI 00121040253?

MARK I LEONARD

Format

Top Publishers

Musical Works (ISWC) (7)

Releases (4)

People also ask

Who is IPI 00121040253?

Musical Works (ISWC) (7)