Segment information:

9 Months Ended

Sep. 30, 2021

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 September 30, 2021
Revenues	On-net		Off-net		Non-core		Total
North America	$	85,569	$	31,945	$	147	$	117,661
Europe		21,658		4,379		25		26,062
South America		1,042		54		—		1,096
Asia Pacific		2,657		277		—		2,934
Africa		173		1		—		174
Total	$	111,099	$	36,656	$	172	$	147,927

Three Months Ended September 30, 2020
Revenues	On-net		Off-net		Non-core		Total
North America	$	82,730	$	32,416	$	107	$	115,253
Europe		19,966		4,422		12		24,400
South America		599		14		—		613
Asia Pacific		1,786		240		—		2,026
Africa		10		—		—		10
Total	$	105,091	$	37,092	$	119	$	142,302

Nine Months Ended September 30, 2021
Revenues	On-net		Off-net		Non-core		Total
North America	$	255,157	$	95,680	$	361	$	351,198
Europe		66,450		13,465		57		79,972
South America		2,859		119		—		2,978
Asia Pacific		7,279		812		—		8,091
Africa		342		3		—		345
Total	$	332,087	$	110,079	$	418	$	442,584

Nine Months Ended September 30, 2020
Revenues	On-net		Off-net		Non-core		Total
North America	$	247,679	$	97,951	$	369	$	345,999
Europe		58,433		12,781		32		71,246
South America		1,344		34		—		1,378
Asia Pacific		4,880		692		—		5,572
Africa		10		—		—		10
Total	$	312,346	$	111,458	$	401	$	424,205

	September 30,		December 31,
	2021		2020
Long lived assets, net
North America	$	326,350	$	306,652
Europe and other		128,372		123,699
Total	$	454,722	$	430,351

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