Data as of Nov 3, 2026
216.71.152.0/24
No anonymizer space · no proxy exits in 30 daysCisco Systems Ironport Division
Network & registry
Origin network
AS16417
US
- Name
- Cisco Systems Ironport Division
- Type
- Business
- Registered
- Jun 22, 2005
- Domain
- cisco.com
- Website
- www.cisco.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2005
- Current origin since
- Apr 2017 · 9.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2017
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 216.71.128.0/19
- Netname
- CISL-7
- Registrant
- Cisco Systems Ironport Division
- Organization
- Cisco Systems Ironport Division (CISL-7)
- Org address
- 170 West Tasman Drive, San Jose, CA, 95134
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-71-128-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Jun 8, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 8, 2016
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Ironport Network Abuse
- Phone
- +1-650-898-1526
- Handle
- INA15-ARIN