IP Functions#
- ip_prefix(ip_address, prefix_bits) ipprefix #
Returns the IP prefix of a given
ip_address
with subnet size ofprefix_bits
.ip_address
can be either of typeVARCHAR
or typeIPADDRESS
.SELECT ip_prefix(CAST('192.168.255.255' AS IPADDRESS), 9); -- {192.128.0.0/9} SELECT ip_prefix('2001:0db8:85a3:0001:0001:8a2e:0370:7334', 48); -- {2001:db8:85a3::/48}
- ip_subnet_min(ip_prefix) ip_address #
Returns the smallest IP address of type
IPADDRESS
in the subnet specified byip_prefix
.SELECT ip_subnet_min(IPPREFIX '192.168.255.255/9'); -- {192.128.0.0} SELECT ip_subnet_min(IPPREFIX '2001:0db8:85a3:0001:0001:8a2e:0370:7334/48'); -- {2001:db8:85a3::}
- ip_subnet_max(ip_prefix) ip_address #
Returns the largest IP address of type
IPADDRESS
in the subnet specified byip_prefix
.SELECT ip_subnet_max(IPPREFIX '192.64.0.0/9'); -- {192.127.255.255} SELECT ip_subnet_max(IPPREFIX '2001:0db8:85a3:0001:0001:8a2e:0370:7334/48'); -- {2001:db8:85a3:ffff:ffff:ffff:ffff:ffff}
- ip_subnet_range(ip_prefix)#
Return an array of 2 IP addresses. The array contains the smallest and the largest IP address in the subnet specified by
ip_prefix
.SELECT ip_subnet_range(IPPREFIX '1.2.3.160/24'); -- [{1.2.3.0}, {1.2.3.255}] SELECT ip_subnet_range(IPPREFIX '64:ff9b::52f4/120'); -- [{64:ff9b::5200}, {64:ff9b::52ff}]
- is_subnet_of(ip_prefix, ip_address) boolean #
Returns
true
if theip_address
is in the subnet ofip_prefix
.SELECT is_subnet_of(IPPREFIX '1.2.3.128/26', IPADDRESS '1.2.3.129'); -- true SELECT is_subnet_of(IPPREFIX '64:fa9b::17/64', IPADDRESS '64:ffff::17'); -- false
- is_subnet_of(ip_prefix1, ip_prefix2) boolean #
Returns
true
ifip_prefix2
is a subnet ofip_prefix1
.SELECT is_subnet_of(IPPREFIX '192.168.3.131/26', IPPREFIX '192.168.3.144/30'); -- true SELECT is_subnet_of(IPPREFIX '64:ff9b::17/64', IPPREFIX '64:ffff::17/64'); -- false SELECT is_subnet_of(IPPREFIX '192.168.3.131/26', IPPREFIX '192.168.3.131/26'); -- true