AS16417 Cisco Systems Ironport Division
A network in United States. Here are the size of its IP ranges and the data used for visitor checks.
Visitor check data
- Network type
- Regular network
- Known VPN servers
- None
- Tor exit nodes
- None
This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work
Addresses by country
United States26,992 addresses
Canada2,960 addressesLargest IPv4 ranges
Up to 20, largest first (36 in total).
216.71.140.0 ~ 216.71.150.255
68.232.140.0 ~ 68.232.149.255
216.71.128.0/21
23.90.96.0 ~ 23.90.101.255
23.90.124.0/22
68.232.128.0/22
68.232.134.0 ~ 68.232.137.255
139.138.24.0/22
139.138.32.0/22
139.138.38.0 ~ 139.138.41.255
139.138.56.0/22
184.94.248.0/22
207.54.84.0/22
207.54.92.0/22
216.71.152.0/22
68.232.153.0 ~ 68.232.155.255
207.54.80.0 ~ 207.54.82.255
208.90.56.0 ~ 208.90.58.255
23.90.112.0/23
68.232.157.0 ~ 68.232.158.255
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12