"netblock" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "net",
        "3": "block"
      },
      "expansion": "net + block",
      "name": "compound"
    }
  ],
  "etymology_text": "net + block",
  "forms": [
    {
      "form": "netblocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "netblock (plural netblocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A block of IP addresses."
      ],
      "id": "en-netblock-en-noun-Xf1cEKu2",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "block",
          "block"
        ],
        [
          "IP address",
          "IP address"
        ]
      ],
      "raw_glosses": [
        "(Internet) A block of IP addresses."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "netblock"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "net",
        "3": "block"
      },
      "expansion": "net + block",
      "name": "compound"
    }
  ],
  "etymology_text": "net + block",
  "forms": [
    {
      "form": "netblocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "netblock (plural netblocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "en:Internet"
      ],
      "glosses": [
        "A block of IP addresses."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "block",
          "block"
        ],
        [
          "IP address",
          "IP address"
        ]
      ],
      "raw_glosses": [
        "(Internet) A block of IP addresses."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "netblock"
}