Network address
2001:4860:0:ef20::
Full
2001:4860:0000:ef20:0000:0000:0000:0000
Prefix length
61
Range
2001:4860:0:ef20:: - 2001:4860:0:ef27:ffff:ffff:ffff:ffff
Number of hosts
147,573,952,589,676,412,928
Parent subnet
2001:4860:0:ef20::/60🔍
Previous subnet
2001:4860:0:ef18::/61🔍
Next subnet
2001:4860:0:ef28::/61🔍