EXHIBIT 21.1
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SUBSIDIARIES OF THE REGISTRANT
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Name Jurisdiction of Formation
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A. VIA NET.WORKS NY Corp. New York
B. VIA NET.WORKS HoldCo Inc. Delaware
1. VIA Net Works Europe Holding B.V. (10 shares) The Netherlands
a. Esoterica-Novas Technologias de Informacao, S.A. Portugal
a(1) Expobyte, Conferencias e Exposicoes, S.A. Portugal
b. Artinternet, S.A. France
c. VIA NET.WORKS Spain Holding S.L. Spain
c(1) Disbumad, S.L. Spain
d. MediaNet Ireland Limited Ireland
e. Gesellschaft fur Telekommunikations und
Netzwerkdienst mbH Germany
e(1) INS Vertriebs GmbH Germany
e(2) Ecce Terram GmbH Germany
f. bART Holding B.V. The Netherlands
f(1) Home Vision B.V. The Netherlands
f(2) Xenovic B.V. The Netherlands
(i) bART Den Haag B.V. The Netherlands
(ii) bART Noord Nederland The Netherlands
(iii) bART Midden Nederland The Netherlands
f(3) Arameta B.V. The Netherlands
g. Netlink Internet Services Limited United Kingdom
h. i-way Limited United Kingdom
h(1) I-Way Soho Limited. United Kingdom
h(2) I-way Reading Limited. United Kingdom
h(3) I-way Swindon Limited. United Kingdom
h(4) I-way Brentford Limited. United Kingdom
h(5) I-Way Oxford Limited. United Kingdom
i. U-Net Limited United Kingdom
j. WorldWide Web Services Ltd. United Kingdom
j(1) Alphadial Limited United Kingdom
k. VIA Net Works UK Limited United Kingdom
l. VIA Net.Works IRUCo. Limited Ireland
2. M&C Management & Communications, S.A. Switzerland
3. Delivery Network Systems SAS France
a. DNS Telecom, SAS France
Name Jurisdiction of Formation
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C. VIA Net Works Holdings Cayman Cayman Islands
1. VIA NET WORKS Argentina Argentina
2. ServiceNet S.A. Argentina
D. V-I-A Holdings Brasil, Ltda. Brazil
1. Dialdata S.A. Internet Systems Brazil
E. InfoAcces S.A. de C.V. Mexico
F. Net4You EDV Dienstleistungs und Handelges m.b.H. Austria