Network address
2001:1800::
Full
2001:1800:0000:0000:0000:0000:0000:0000
Prefix length
21
Range
2001:1800:: - 2001:1fff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
162,259,276,829,213,363,391,578,010,288,128
Parent subnet
2001:1000::/20🔍
Previous subnet
2001:1000::/21🔍
Next subnet
2001:2000::/21🔍