Many networks incorrectly claim to be a Tier 1 out of ignorance of the term, including those ranging from the very small to the very large "almost" Tier 1 networks (such as Cogent Communications).
Many networks incorrectly claim to be a Tier 1 either out of ignorance of the term or for marketing reasons. Theese range from the very small to the very large "almost" Tier 1 networks (such as Cogent Communications).