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Just incase someone else stumbles across this like I did the code below may be more of what you are looking for.

This is to expand on PeterVP's Answer

Also visible at https://www.kittell.net/code/mac-os-x-get-network-information/

Just in case someone else stumbles across this like I did the code below may be more of what you are looking for.

This is to expand on PeterVP's answer; also visible here.

#!/bin/sh

clear
sExternalMACALService="http://dns.kittell.net/macaltext.php?address="

# List all Network ports
NetworkPorts=$(ifconfig -uv | grep '^[a-z0-9]' | awk -F : '{print $1}')
#echo $NetworkPorts

# Function to convert IP Subnet Mask to CIDR
mask2cdr ()
{
# Assumes there's no "255." after a non-255 byte in the mask
local x=${1##*255.}
set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
x=${1%%$3*}
echo $(( $2 + (${#x}/4) ))
}

# Get remote/public IP address
remoteip=$(dig +short myip.opendns.com @resolver1.opendns.com)

# Get computer name
computername=$(scutil --get ComputerName)

# Get serial number
sSerialNumber=$(system_profiler SPHardwareDataType |grep "Serial Number (system)" |awk '{print $4}'  | cut -d/ -f1)
#echo $sSerialNumber

# Get operating system name and version - Start
OSvers1=$( sw_vers -productVersion | cut -d. -f1 )
OSvers2=$( sw_vers -productVersion | cut -d. -f2 )
OSvers3=$( sw_vers -productVersion | cut -d. -f3 )
case $OSvers2 in
8)
OSName="Mountain Lion"
;;
9)
OSName="Mavericks"
;;
10)
OSName="Yosemite"
;;
11)
OSName="El Capitan"
;;
12)
OSName="Sierra"
;;
default)
OSName="Unknown"
;;
esac
# Get operating system name and version - Stop


echo "$computername"
echo "--------------"
echo "      Computer OS:  Mac OS X - $OSName $OSvers1.$OSvers2.$OSvers3"
echo "    Computer Name:  $computername"
echo "Current User Name:  $(whoami)"
echo "    Serial Number:  $sSerialNumber"

if [[ $remoteip ]]; then
echo "Remote IP Address:  $remoteip\n"
else
echo "Remote IP Address:  Unable To Determine\n"
fi

for val in $NetworkPorts; do   # Get for all available hardware ports their status
activated=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $activated
label=$(ifconfig -uv "$val" | grep 'type' | awk '{print $2}')
#echo $label
#ActiveNetwork=$(route get default | grep interface | awk '{print $2}')
ActiveNetworkName=$(networksetup -listallhardwareports | grep -B 1 "$label" | awk '/Hardware Port/{ print }'|cut -d " " -f3- | uniq)
#echo $ActiveNetwork
#echo $ActiveNetworkName
state=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $state
ipaddress=$(ifconfig -uv "$val" | grep 'inet ' | awk '{print $2}')
# echo $ipaddress

if [[ -z $(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) ]]; then
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3}' ) up/down"
else
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) down"
fi

#echo $networkspeed
macaddress=$(ifconfig -uv "$val" | grep 'ether ' | awk '{print $2}')
#echo $macaddress
macal=$(curl -s "$sExternalMACALService$macaddress")
#echo $macal
quality=$(ifconfig -uv "$val" | grep 'link quality:' | awk '{print $3, $4}')
#echo $quality
netmask=$(ipconfig getpacket "$val" | grep 'subnet_mask (ip):' | awk '{print $3}')
#echo $netmask
router=$(ipconfig getpacket "$val" | grep 'router (ip_mult):' | sed 's/.*router (ip_mult): {\([^}]*\)}.*/\1/')
#echo $router
DHCPActive=$(networksetup -getinfo "Wi-Fi" | grep DHCP)
#echo $DHCPActive
dnsserver=$(networksetup -getdnsservers "$ActiveNetworkName" | awk '{print $1, $2}' | sed 'N;s/\n//' )
#echo $dnsserver

if [ "$activated" = 'active' ]; then
#echo "Network Port is Active"
if [[ $ipaddress ]]; then
echo "$ActiveNetworkName ($val)"
echo "--------------"
# Is this a WiFi associated port? If so, then we want the network name
if [ "$label" = "Wi-Fi" ]; then
WiFiName=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep '\sSSID:' | sed 's/.*: //')
#echo $WiFiName
echo "     Network Name:  $WiFiName"
fi

echo "       IP Address:  $ipaddress"
echo "      Subnet Mask:  $netmask"
echo "           Router:  $router"
echo "          IP CIDR:  $ipaddress/$(mask2cdr $netmask)"

if [[ -z $dnsserver ]]; then
if [[ $DHCPActive ]]; then
echo "       DNS Server:  Set With DHCP"
else
echo "       DNS Server:  Unknown"
fi
else
echo "       DNS Server:  $dnsserver"
fi

echo "      MAC-address:  $macaddress ($macal)"
echo "    Network Speed:  $networkspeed"
echo "     Link quality:  $quality"
echo " "
fi

# Don't display the inactive ports.
fi

done

#!/bin/sh

clear
sExternalMACALService="http://dns.kittell.net/macaltext.php?address="

# List all Network ports
NetworkPorts=$(ifconfig -uv | grep '^[a-z0-9]' | awk -F : '{print $1}')
#echo $NetworkPorts

# Function to convert IP Subnet Mask to CIDR
mask2cdr ()
{
# Assumes there's no "255." after a non-255 byte in the mask
local x=${1##*255.}
set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
x=${1%%$3*}
echo $(( $2 + (${#x}/4) ))
}

# Get remote/public IP address
remoteip=$(dig +short myip.opendns.com @resolver1.opendns.com)

# Get computer name
computername=$(scutil --get ComputerName)

# Get serial number
sSerialNumber=$(system_profiler SPHardwareDataType |grep "Serial Number (system)" |awk '{print $4}'  | cut -d/ -f1)
#echo $sSerialNumber

# Get operating system name and version - Start
OSvers1=$( sw_vers -productVersion | cut -d. -f1 )
OSvers2=$( sw_vers -productVersion | cut -d. -f2 )
OSvers3=$( sw_vers -productVersion | cut -d. -f3 )
case $OSvers2 in
8)
OSName="Mountain Lion"
;;
9)
OSName="Mavericks"
;;
10)
OSName="Yosemite"
;;
11)
OSName="El Capitan"
;;
12)
OSName="Sierra"
;;
default)
OSName="Unknown"
;;
esac
# Get operating system name and version - Stop


echo "$computername"
echo "--------------"
echo "      Computer OS:  Mac OS X - $OSName $OSvers1.$OSvers2.$OSvers3"
echo "    Computer Name:  $computername"
echo "Current User Name:  $(whoami)"
echo "    Serial Number:  $sSerialNumber"

if [[ $remoteip ]]; then
echo "Remote IP Address:  $remoteip\n"
else
echo "Remote IP Address:  Unable To Determine\n"
fi

for val in $NetworkPorts; do   # Get for all available hardware ports their status
activated=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $activated
label=$(ifconfig -uv "$val" | grep 'type' | awk '{print $2}')
#echo $label
#ActiveNetwork=$(route get default | grep interface | awk '{print $2}')
ActiveNetworkName=$(networksetup -listallhardwareports | grep -B 1 "$label" | awk '/Hardware Port/{ print }'|cut -d " " -f3- | uniq)
#echo $ActiveNetwork
#echo $ActiveNetworkName
state=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $state
ipaddress=$(ifconfig -uv "$val" | grep 'inet ' | awk '{print $2}')
# echo $ipaddress

if [[ -z $(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) ]]; then
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3}' ) up/down"
else
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) down"
fi

#echo $networkspeed
macaddress=$(ifconfig -uv "$val" | grep 'ether ' | awk '{print $2}')
#echo $macaddress
macal=$(curl -s "$sExternalMACALService$macaddress")
#echo $macal
quality=$(ifconfig -uv "$val" | grep 'link quality:' | awk '{print $3, $4}')
#echo $quality
netmask=$(ipconfig getpacket "$val" | grep 'subnet_mask (ip):' | awk '{print $3}')
#echo $netmask
router=$(ipconfig getpacket "$val" | grep 'router (ip_mult):' | sed 's/.*router (ip_mult): {\([^}]*\)}.*/\1/')
#echo $router
DHCPActive=$(networksetup -getinfo "Wi-Fi" | grep DHCP)
#echo $DHCPActive
dnsserver=$(networksetup -getdnsservers "$ActiveNetworkName" | awk '{print $1, $2}' | sed 'N;s/\n//' )
#echo $dnsserver

if [ "$activated" = 'active' ]; then
#echo "Network Port is Active"
if [[ $ipaddress ]]; then
echo "$ActiveNetworkName ($val)"
echo "--------------"
# Is this a WiFi associated port? If so, then we want the network name
if [ "$label" = "Wi-Fi" ]; then
WiFiName=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep '\sSSID:' | sed 's/.*: //')
#echo $WiFiName
echo "     Network Name:  $WiFiName"
fi

echo "       IP Address:  $ipaddress"
echo "      Subnet Mask:  $netmask"
echo "           Router:  $router"
echo "          IP CIDR:  $ipaddress/$(mask2cdr $netmask)"

if [[ -z $dnsserver ]]; then
if [[ $DHCPActive ]]; then
echo "       DNS Server:  Set With DHCP"
else
echo "       DNS Server:  Unknown"
fi
else
echo "       DNS Server:  $dnsserver"
fi

echo "      MAC-address:  $macaddress ($macal)"
echo "    Network Speed:  $networkspeed"
echo "     Link quality:  $quality"
echo " "
fi

# Don't display the inactive ports.
fi

done

#!/bin/sh

clear
sExternalIPService="http://dns.kittell.net/ip.php"
sExternalMACALService="http://dns.kittell.net/macaltext.php?address="

# List all Network ports
NetworkPorts=$(ifconfig -uv | grep '^[a-z0-9]' | awk -F : '{print $1}')
#echo $NetworkPorts

# Function to convert IP Subnet Mask to CIDR
mask2cdr ()
{
# Assumes there's no "255." after a non-255 byte in the mask
local x=${1##*255.}
set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
x=${1%%$3*}
echo $(( $2 + (${#x}/4) ))
}

# Get remote/public IP address
remoteip=$(curl -sSf -m 10 --connect-timeout 5 $sExternalIPService)

# Get computer name
computername=$(scutil --get ComputerName)

# Get serial number
sSerialNumber=$(system_profiler SPHardwareDataType |grep "Serial Number (system)" |awk '{print $4}'  | cut -d/ -f1)
#echo $sSerialNumber

# Get operating system name and version - Start
OSvers1=$( sw_vers -productVersion | cut -d. -f1 )
OSvers2=$( sw_vers -productVersion | cut -d. -f2 )
OSvers3=$( sw_vers -productVersion | cut -d. -f3 )
case $OSvers2 in
8)
OSName="Mountain Lion"
;;
9)
OSName="Mavericks"
;;
10)
OSName="Yosemite"
;;
11)
OSName="El Capitan"
;;
12)
OSName="Sierra"
;;
default)
OSName="Unknown"
;;
esac
# Get operating system name and version - Stop


echo "$computername"
echo "--------------"
echo "      Computer OS:  Mac OS X - $OSName $OSvers1.$OSvers2.$OSvers3"
echo "    Computer Name:  $computername"
echo "Current User Name:  $(whoami)"
echo "    Serial Number:  $sSerialNumber"

if [[ $remoteip ]]; then
echo "Remote IP Address:  $remoteip\n"
else
echo "Remote IP Address:  Unable To Determine\n"
fi

for val in $NetworkPorts; do   # Get for all available hardware ports their status
activated=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $activated
label=$(ifconfig -uv "$val" | grep 'type' | awk '{print $2}')
#echo $label
#ActiveNetwork=$(route get default | grep interface | awk '{print $2}')
ActiveNetworkName=$(networksetup -listallhardwareports | grep -B 1 "$label" | awk '/Hardware Port/{ print }'|cut -d " " -f3- | uniq)
#echo $ActiveNetwork
#echo $ActiveNetworkName
state=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $state
ipaddress=$(ifconfig -uv "$val" | grep 'inet ' | awk '{print $2}')
# echo $ipaddress

if [[ -z $(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) ]]; then
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3}' ) up/down"
else
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) down"
fi

#echo $networkspeed
macaddress=$(ifconfig -uv "$val" | grep 'ether ' | awk '{print $2}')
#echo $macaddress
macal=$(curl -s "$sExternalMACALService$macaddress")
#echo $macal
quality=$(ifconfig -uv "$val" | grep 'link quality:' | awk '{print $3, $4}')
#echo $quality
netmask=$(ipconfig getpacket "$val" | grep 'subnet_mask (ip):' | awk '{print $3}')
#echo $netmask
router=$(ipconfig getpacket "$val" | grep 'router (ip_mult):' | sed 's/.*router (ip_mult): {\([^}]*\)}.*/\1/')
#echo $router
DHCPActive=$(networksetup -getinfo "Wi-Fi" | grep DHCP)
#echo $DHCPActive
dnsserver=$(networksetup -getdnsservers "$ActiveNetworkName" | awk '{print $1, $2}' | sed 'N;s/\n//' )
#echo $dnsserver

if [ "$activated" = 'active' ]; then
#echo "Network Port is Active"
if [[ $ipaddress ]]; then
echo "$ActiveNetworkName ($val)"
echo "--------------"
# Is this a WiFi associated port? If so, then we want the network name
if [ "$label" = "Wi-Fi" ]; then
WiFiName=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep '\sSSID:' | sed 's/.*: //')
#echo $WiFiName
echo "     Network Name:  $WiFiName"
fi

echo "       IP Address:  $ipaddress"
echo "      Subnet Mask:  $netmask"
echo "           Router:  $router"
echo "          IP CIDR:  $ipaddress/$(mask2cdr $netmask)"

if [[ -z $dnsserver ]]; then
if [[ $DHCPActive ]]; then
echo "       DNS Server:  Set With DHCP"
else
echo "       DNS Server:  Unknown"
fi
else
echo "       DNS Server:  $dnsserver"
fi

echo "      MAC-address:  $macaddress ($macal)"
echo "    Network Speed:  $networkspeed"
echo "     Link quality:  $quality"
echo " "
fi

# Don't display the inactive ports.
fi

done

#!/bin/sh

clear
sExternalMACALService="http://dns.kittell.net/macaltext.php?address="

# List all Network ports
NetworkPorts=$(ifconfig -uv | grep '^[a-z0-9]' | awk -F : '{print $1}')
#echo $NetworkPorts

# Function to convert IP Subnet Mask to CIDR
mask2cdr ()
{
# Assumes there's no "255." after a non-255 byte in the mask
local x=${1##*255.}
set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
x=${1%%$3*}
echo $(( $2 + (${#x}/4) ))
}

# Get remote/public IP address
remoteip=$(dig +short myip.opendns.com @resolver1.opendns.com)

# Get computer name
computername=$(scutil --get ComputerName)

# Get serial number
sSerialNumber=$(system_profiler SPHardwareDataType |grep "Serial Number (system)" |awk '{print $4}'  | cut -d/ -f1)
#echo $sSerialNumber

# Get operating system name and version - Start
OSvers1=$( sw_vers -productVersion | cut -d. -f1 )
OSvers2=$( sw_vers -productVersion | cut -d. -f2 )
OSvers3=$( sw_vers -productVersion | cut -d. -f3 )
case $OSvers2 in
8)
OSName="Mountain Lion"
;;
9)
OSName="Mavericks"
;;
10)
OSName="Yosemite"
;;
11)
OSName="El Capitan"
;;
12)
OSName="Sierra"
;;
default)
OSName="Unknown"
;;
esac
# Get operating system name and version - Stop


echo "$computername"
echo "--------------"
echo "      Computer OS:  Mac OS X - $OSName $OSvers1.$OSvers2.$OSvers3"
echo "    Computer Name:  $computername"
echo "Current User Name:  $(whoami)"
echo "    Serial Number:  $sSerialNumber"

if [[ $remoteip ]]; then
echo "Remote IP Address:  $remoteip\n"
else
echo "Remote IP Address:  Unable To Determine\n"
fi

for val in $NetworkPorts; do   # Get for all available hardware ports their status
activated=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $activated
label=$(ifconfig -uv "$val" | grep 'type' | awk '{print $2}')
#echo $label
#ActiveNetwork=$(route get default | grep interface | awk '{print $2}')
ActiveNetworkName=$(networksetup -listallhardwareports | grep -B 1 "$label" | awk '/Hardware Port/{ print }'|cut -d " " -f3- | uniq)
#echo $ActiveNetwork
#echo $ActiveNetworkName
state=$(ifconfig -uv "$val" | grep 'status: ' | awk '{print $2}')
#echo $state
ipaddress=$(ifconfig -uv "$val" | grep 'inet ' | awk '{print $2}')
# echo $ipaddress

if [[ -z $(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) ]]; then
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3}' ) up/down"
else
networkspeed="$(ifconfig -uv "$val" | grep 'link rate: ' | awk '{print $3, $4}' | sed 'N;s/\n/ up /' ) down"
fi

#echo $networkspeed
macaddress=$(ifconfig -uv "$val" | grep 'ether ' | awk '{print $2}')
#echo $macaddress
macal=$(curl -s "$sExternalMACALService$macaddress")
#echo $macal
quality=$(ifconfig -uv "$val" | grep 'link quality:' | awk '{print $3, $4}')
#echo $quality
netmask=$(ipconfig getpacket "$val" | grep 'subnet_mask (ip):' | awk '{print $3}')
#echo $netmask
router=$(ipconfig getpacket "$val" | grep 'router (ip_mult):' | sed 's/.*router (ip_mult): {\([^}]*\)}.*/\1/')
#echo $router
DHCPActive=$(networksetup -getinfo "Wi-Fi" | grep DHCP)
#echo $DHCPActive
dnsserver=$(networksetup -getdnsservers "$ActiveNetworkName" | awk '{print $1, $2}' | sed 'N;s/\n//' )
#echo $dnsserver

if [ "$activated" = 'active' ]; then
#echo "Network Port is Active"
if [[ $ipaddress ]]; then
echo "$ActiveNetworkName ($val)"
echo "--------------"
# Is this a WiFi associated port? If so, then we want the network name
if [ "$label" = "Wi-Fi" ]; then
WiFiName=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I | grep '\sSSID:' | sed 's/.*: //')
#echo $WiFiName
echo "     Network Name:  $WiFiName"
fi

echo "       IP Address:  $ipaddress"
echo "      Subnet Mask:  $netmask"
echo "           Router:  $router"
echo "          IP CIDR:  $ipaddress/$(mask2cdr $netmask)"

if [[ -z $dnsserver ]]; then
if [[ $DHCPActive ]]; then
echo "       DNS Server:  Set With DHCP"
else
echo "       DNS Server:  Unknown"
fi
else
echo "       DNS Server:  $dnsserver"
fi

echo "      MAC-address:  $macaddress ($macal)"
echo "    Network Speed:  $networkspeed"
echo "     Link quality:  $quality"
echo " "
fi

# Don't display the inactive ports.
fi

done