Segment information:

3 Months Ended

Mar. 31, 2024

Segment information:

Segment information:

9.  Segment information:

The Company operates as one operating segment. The Company’s service revenue by geographic region and product class and long-lived assets by geographic region are as follows (in thousands):

Three Months Ended March 31, 2024
Revenues	On-net		Off-net		Wavelengths		Non-core		Total
North America	$	108,694	$	111,019	$	3,327	$	5,879	$	228,919
Europe		23,641		5,339		—		121		29,101
Oceania		4,380		1,561		—		30		5,971
South America		1,748		235		—		9		1,992
Africa		161		24		—		—		185
Total	$	138,624	$	118,178	$	3,327	$	6,039	$	266,168

Three Months Ended March 31, 2023
Revenues	On-net		Off-net		Wavelengths		Non-core		Total
North America	$	88,697	$	32,876	$	—	$	136	$	121,709
Europe		21,847		4,020		—		16		25,883
Oceania		3,755		327		—		9		4,091
South America		1,645		33		—		1		1,679
Africa		199		27		—		—		226
Total	$	116,143	$	37,283	$	—	$	162	$	153,588

	March 31,		December 31,
	2024		2023
Long-lived assets, net
North America	$	1,979,405	$	1,959,704
Europe and other		157,479		163,034
Total	$	2,136,884	$	2,122,738

The majority of North American revenue consists of services delivered within the United States.