AS30238 Cisco Systems Ironport Division

207.54.64.0 ~ 207.54.72.255

23.90.114.0 ~ 23.90.119.255

139.138.60.0/22

194.165.213.0 ~ 194.165.216.255

207.54.88.0/22

216.71.156.0/22

68.232.150.0 ~ 68.232.152.255

194.165.192.0 ~ 194.165.194.255

207.54.76.0 ~ 207.54.78.255

23.90.104.0/23

23.90.110.0/23

23.90.122.0/23

68.232.132.0/23

68.232.138.0/23

139.138.36.0/23

23.90.102.0/24

68.232.156.0/24

68.232.159.0/24

184.94.255.0/24

194.165.202.0/24