' to generate SVG run plantuml -tsvg gnrc_ipv6_auto_subnets.puml
@startuml
<style>
nwdiagDiagram {
	network {
		BackGroundColor #275a4b
		LineColor	#3fa687
		LineThickness	2.0
	}

	server {
		BackGroundColor #275a4b
		LineColor	#3fa687
		FontColor	#white
		LineThickness	2.0
	}

	arrow {
		LineColor	#3fa687
		LineThickness	2.0
	}
}
</style>

nwdiag {

	network level1 {
		address = "2001:db8::/60";

		router_a [address = "2001:db8::<color:#8a8a8a>c8f4:13ff:fece:3f43", description = "1st level router #1"];
		router_b [address = "2001:db8::<color:#8a8a8a>804b:fcff:feb6:43fb", description = "1st level router #2"];
	}

	network level2_1 {
		address = "2001:db8:0:4::/62";
		description = "level 2.1"

		router_b [address = "2001:db8:0:4:<color:#8a8a8a>2ca3:9eff:fea9:68f7"];
		router_e [address = "2001:db8:0:4:<color:#8a8a8a>5075:35ff:fefa:30bb", description = "2nd level router #3"];
		router_f [address = "2001:db8:0:4:<color:#8a8a8a>14c4:7bff:fe63:c449", description = "2nd level router #4"];
	}

	network level2_2 {
		address = "2001:db8:0:8::/62";
		description = "level 2.2"

		router_a [address = "2001:db8:0:8:<color:#8a8a8a>3c27:6dff:fe25:e95d"];
		router_c [address = "2001:db8:0:8:<color:#8a8a8a>c8f4:13ff:fece:3f43", description = "2nd level router #1"];
		router_d [address = "2001:db8:0:8:<color:#8a8a8a>a440:e4ff:fe55:a059", description = "2nd level router #2"];
	}

	network level3_1 {
		address = "2001:db8:0:9::/64";
		description = "level 3.1"

		router_c [address = "2001:db8:0:9:<color:#8a8a8a>48f7:1cf:74cc:3f13"];
	}

	network level3_2 {
		address = "2001:db8:0:a::/64";
		description = "level 3.2"

		router_d [address = "2001:db8:0:a:<color:#8a8a8a>a8d9:e1ff:feab:d543"];
	}

	network level3_3 {
		address = "2001:db8:0:5::/64";
		description = "level 3.3"

		router_e [address = "2001:db8:0:5:<color:#8a8a8a>1848:79ff:fe20:cf59"];
	}

	network level3_4 {
		address = "2001:db8:0:6::/64";
		description = "level 3.4"

		router_f [address = "2001:db8:0:6:<color:#8a8a8a>8cbf:adff:fef0:4092"];
	}
}
@enduml