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Sample class C blocks

  • Published on Oct 5, 2026
  • 1 minute(s) read
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The following are the first three class C network blocks resulting from the combination of the 155.49.0.0 network and a 21-bit mask, as well as the corresponding Internet route required for each block

Block #1

Allocated customer class C networks:

155.49.0.0 / 24

155.49.1.0 / 24

155.49.2.0 / 24

155.49.3.0 / 24

155.49.4.0 / 24

155.49.5.0 / 24

155.49.6.0 / 24

155.49.7.0 / 24

Corresponding Internet route: 155.49.0.0 / 21

Block #2

Allocated customer class C networks:

155.49.8.0 / 24

155.49.9.0 / 24

155.49.10.0 / 24

155.49.11.0 / 24

155.49.12.0 / 24

155.49.13.0 / 24

155.49.14.0 / 24

155.49.15.0 / 24

Corresponding Internet route: 155.49.8.0 / 21

Block #3

Allocated customer class C networks:

155.49.16.0 / 24

155.49.17.0 / 24

155.49.18.0 / 24

155.49.19.0 / 24

155.49.20.0 / 24

155.49.21.0 / 24

155.49.22.0 / 24

155.49.23.0 / 24

Corresponding Internet route: 155.49.16.0 / 21

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