Ipv6AddressScope
Ipv6AddressScope =
"unspecified"|"loopback"|"ipv4-mapped"|"ipv4-compatible"|"link-local"|"unique-local"|"multicast"|"documentation"|"teredo"|"6to4"|"global"
Defined in: packages/net-address/src/ipv6/classify-ipv6.ts:45
Which special-purpose block an address falls in.
"global" means none of the blocks below — not that the address is
necessarily routable, since the IANA registry holds further assignments this
package does not enumerate.