All Dutch banks as JSON dictionary. Use this to calculate the BIC number by taking the bank_identifier part from the IBAN.

dutch_banks.json

{
   "ABNA":{
      "BIC":"ABNANL2A",
      "bank_name":"ABN AMRO BANK N.V"
   },
   "AEGO":{
      "BIC":"AEGONL2U",
      "bank_name":"AEGON BANK NV"
   },
   "ANDL":{
      "BIC":"ANDLNL2A",
      "bank_name":"ANADOLUBANK NEDERLAND NV"
   },
   "ARBN":{
      "BIC":"ARBNNL22",
      "bank_name":"ACHMEA RETAIL BANK N.V."
   },
   "ARSN":{
      "BIC":"ARSNNL21",
      "bank_name":"ARGENTA SPAARBANK NV"
   },
   "ARTE":{
      "BIC":"ARTENL2A",
      "bank_name":"GE ARTESIA BANK"
   },
   "ASNB":{
      "BIC":"ASNBNL21",
      "bank_name":"ASN BANK"
   },
   "ASRB":{
      "BIC":"ASRBNL2R",
      "bank_name":"ASR BANK N.V."
   },
   "ATBA":{
      "BIC":"ATBANL2A",
      "bank_name":"AMSTERDAM TRADE BANK N.V"
   },
   "BBRU":{
      "BIC":"BBRUNL2X",
      "bank_name":"ING BELGIE NV"
   },
   "BCDM":{
      "BIC":"BCDMNL22",
      "bank_name":"BANQUE CHAABI DU MAROC"
   },
   "BCIT":{
      "BIC":"BCITNL2A",
      "bank_name":"INTESA SANPAOLO S.P.A"
   },
   "BICK":{
      "BIC":"BICKNL2A",
      "bank_name":"BINCKBANK N.V."
   },
   "BKMG":{
      "BIC":"BKMGNL2A",
      "bank_name":"BANK MENDES GANS N.V."
   },
   "BLGW":{
      "BIC":"BLGWNL21",
      "bank_name":"BLG WONEN"
   },
   "BNGH":{
      "BIC":"BNGHNL2G",
      "bank_name":"NV BANK NEDERLANDSE GEMEENTEN"
   },
   "BNPA":{
      "BIC":"BNPANL2A",
      "bank_name":"BNP PARIBAS S.A. THE NETH. BRANCH"
   },
   "BOFA":{
      "BIC":"BOFANLNX",
      "bank_name":"BANK OF AMERICA N.A."
   },
   "BOFS":{
      "BIC":"BOFSNL21002",
      "bank_name":"BANK OF SCOTLAND PCC AMSTERDAM BRANCH"
   },
   "BOTK":{
      "BIC":"BOTKNL2X",
      "bank_name":"BANK OF TOKYO-MITSUBISHI UFJ"
   },
   "CITC":{
      "BIC":"CITCNL2A",
      "bank_name":"CITCO BANK NEDERLAND"
   },
   "CITI":{
      "BIC":"CITINL2X",
      "bank_name":"CITIBANK INTERNATIONAL PLC"
   },
   "COBA":{
      "BIC":"COBANL2X",
      "bank_name":"COMMERZBANK AG"
   },
   "DEUT":{
      "BIC":"DEUTNL2N",
      "bank_name":"DEUTSCHE BANK"
   },
   "DHBN":{
      "BIC":"DHBNNL2R",
      "bank_name":"DEMIR-HALK BANK (NEDERLAND) N.V."
   },
   "DLBK":{
      "BIC":"DLBKNL2A",
      "bank_name":"DELTA LLOYD BANK NV"
   },
   "DNIB":{
      "BIC":"DNIBNL2G",
      "bank_name":"NIBC BANK NV"
   },
   "FBHL":{
      "BIC":"FBHLNL2A",
      "bank_name":"CREDIT EUROPE BANK N.V"
   },
   "FLOR":{
      "BIC":"FLORNL2A",
      "bank_name":"DE NEDERLANDSCHE BANK N.V."
   },
   "FRBK":{
      "BIC":"FRBKNL2L",
      "bank_name":"FRIESLAND BANK N.V."
   },
   "FRGH":{
      "BIC":"FRGHNL21",
      "bank_name":"FRIESCH GRONINGSE HYPOTHEEK BANK"
   },
   "FTSB":{
      "BIC":"ABNANL2A",
      "bank_name":"ABN AMRO BANK N.V."
   },
   "FVLB":{
      "BIC":"FVLBNL22",
      "bank_name":"F.VAN LANSCHOT BANKIERS N.V."
   },
   "GILL":{
      "BIC":"GILLNL2A",
      "bank_name":"THEODOOR GILISSEN N.V."
   },
   "HAND":{
      "BIC":"HANDNL2A",
      "bank_name":"(SVENSKA) HANDELSBANKEN AB"
   },
   "HHBA":{
      "BIC":"HHBANL22",
      "bank_name":"HOF HOORNEMAN BANKIERS"
   },
   "HSBC":{
      "BIC":"HSBCNL2A",
      "bank_name":"HSBC BANK PLC."
   },
   "ICBK":{
      "BIC":"ICBKNL2A",
      "bank_name":"INDUSTRIAL AND COMMERCIAL BANK OF CHINA"
   },
   "INGB":{
      "BIC":"INGBNL2A",
      "bank_name":"ING BANK N.V."
   },
   "INSI":{
      "BIC":"INSINL2A",
      "bank_name":"INSINGER DE BEAUFORT NV"
   },
   "ISBK":{
      "BIC":"ISBKNL2A",
      "bank_name":"ISBANK"
   },
   "KABA":{
      "BIC":"KABANL2A",
      "bank_name":"YAPI KREDI BANK NEDERLAND NV"
   },
   "KASA":{
      "BIC":"KASANL2A",
      "bank_name":"KAS BANK N.V."
   },
   "KNAB":{
      "BIC":"KNABNL2H",
      "bank_name":"KNAB"
   },
   "KOEX":{
      "BIC":"KOEXNL2A",
      "bank_name":"KOREA EXCHANGE BANK"
   },
   "KRED":{
      "BIC":"KREDNL2X",
      "bank_name":"KBC BANK NEDERLAND N.V."
   },
   "LOCY":{
      "BIC":"LOCYNL2A",
      "bank_name":"LOMBARD ODIER DARIER HENTSCH & CIE"
   },
   "LOYD":{
      "BIC":"LOYDNL2A",
      "bank_name":"LLOYDS TSB BANK PLC"
   },
   "LPLN":{
      "BIC":"LPLNNL2F",
      "bank_name":"LEASEPLAN CORPORATION NV"
   },
   "MHCB":{
      "BIC":"MHCBNL2A",
      "bank_name":"MIZUHO CORPORATE BANK NEDERLAND N.V"
   },
   "NNBA":{
      "BIC":"NNBANL2G",
      "bank_name":"NATIONALE-NEDERLANDEN BANK N.V."
   },
   "NWAB":{
      "BIC":"NWABNL2G",
      "bank_name":"NEDERLANDSE WATERSCHAPSBANK N.V."
   },
   "OVBN":{
      "BIC":"OVBNNL22",
      "bank_name":"LEVOB BANK N.V."
   },
   "RABO":{
      "BIC":"RABONL2U",
      "bank_name":"RABOBANK GROEP"
   },
   "RBOS":{
      "BIC":"RBOSNL2A",
      "bank_name":"ROYAL BANK OF SCOTLAND"
   },
   "RBRB":{
      "BIC":"RBRBNL21",
      "bank_name":"REGIOBANK"
   },
   "SNSB":{
      "BIC":"SNSBNL2A",
      "bank_name":"SNS BANK N.V"
   },
   "SOGE":{
      "BIC":"SOGENL2A",
      "bank_name":"SOCIETE GENERALE"
   },
   "STAL":{
      "BIC":"STALNL2G",
      "bank_name":"STAALBANKIERS N.V"
   },
   "TEBU":{
      "BIC":"TEBUNL2A",
      "bank_name":"THE ECONOMY BANK N.V."
   },
   "TRIO":{
      "BIC":"TRIONL2U",
      "bank_name":"TRIODOS BANK N.V"
   },
   "UBSW":{
      "BIC":"UBSWNL2A",
      "bank_name":"UBS BANK (NETHERLANDS) BV"
   },
   "UGBI":{
      "BIC":"UGBINL2A",
      "bank_name":"GARANTIBANK INTERNATIONAL N.V."
   },
   "VOWA":{
      "BIC":"VOWANL21",
      "bank_name":"VOLKSWAGEN BANK"
   },
   "VPVG":{
      "BIC":"VPVGNL22",
      "bank_name":"VPV BANKIERS N.V."
   },
   "ZWLB":{
      "BIC":"ZWLBNL21",
      "bank_name":"ZWITSERLEVENBANK"
   }
}