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

WILLEM PAUL B HEYLEN

00377862311

41 works

Last verified: August 20, 2026

The IPI number for WILLEM PAUL B HEYLEN is 00377862311. 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. WILLEM PAUL B HEYLEN is indexed as a songwriter. WILLEM PAUL B HEYLEN has 41 registered works indexed on Credits.fm.

Format

0037786231Sequential number

1Check 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

ISWC41 works

IPIWILLEM PAUL B HEYLEN

Works

Publishers

—

Avg. Share

SourcesMLC

Identifier Graph

Who is IPI 00377862311?

00377862311 is an Interested Parties Information (IPI) code assigned to WILLEM PAUL B HEYLEN, 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.

WILLEM PAUL B HEYLEN has 41 musical works (ISWCs) in our database.

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IPI · Songwriter

WILLEM PAUL B HEYLEN

00377862311

41 works

Last verified: August 20, 2026

Format

0037786231Sequential number

1Check 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

ISWC41 works

IPIWILLEM PAUL B HEYLEN

Works

Publishers

—

Avg. Share

Musical Works (ISWC) (41)

0 verifiedT-303.802.757-1 0 verifiedT-304.258.235-0 0 verifiedT-304.258.236-1 0 verifiedT-304.628.415-1 0 verifiedT-304.628.424-2 0 verifiedT-307.789.402-7 0 verifiedT-307.815.498-6 0 verifiedT-313.880.742-4 0 verifiedT-314.615.285-0 0 verifiedT-314.615.327-3 0 verifiedT-314.615.330-8 0 verifiedT-314.943.754-3 0 verifiedT-314.943.755-4 0 verifiedT-314.943.756-5 0 verifiedT-314.943.757-6 0 verifiedT-314.943.758-7 0 verifiedT-314.943.759-8 0 verifiedT-321.773.610-8 0 verifiedT-322.035.802-7 0 verifiedT-322.035.828-7 0 verifiedT-322.035.834-5 0 verifiedT-322.035.835-6 0 verifiedT-322.035.873-2 0 verifiedT-322.035.876-5 0 verifiedT-322.035.880-1 0 verifiedT-322.035.881-2 0 verifiedT-323.780.549-7 0 verifiedT-323.780.550-0 0 verifiedT-323.780.551-1 0 verifiedT-323.780.552-2 0 verifiedT-323.780.553-3 0 verifiedT-323.780.554-4 0 verifiedT-928.473.528-0 0 verifiedT-930.839.518-8 0 verifiedT-931.606.216-5 0 verifiedT-931.606.763-7 0 verifiedT-931.606.765-9 0 verifiedT-931.606.771-7 0 verifiedT-931.606.773-9 0 verifiedT-931.794.862-2 0 verifiedT-932.268.059-1

SourcesMLC

Identifier Graph

Who is IPI 00377862311?

WILLEM PAUL B HEYLEN has 41 musical works (ISWCs) in our database.

WILLEM PAUL B HEYLEN

Format

People also ask

Who is IPI 00377862311?

WILLEM PAUL B HEYLEN

Format

Musical Works (ISWC) (41)

People also ask

Who is IPI 00377862311?

Musical Works (ISWC) (41)