Data as of Nov 8, 2026
66.187.208.0/20
No anonymizer space · no proxy exits in 30 daysCisco Systems, Inc.
Network & registry
Origin network
AS109
US
- Name
- Cisco Systems, Inc.
- Type
- Business
- Registered
- May 6, 1987
- 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
- Sep 2013
- Current origin since
- Sep 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 66.
187. 208. 0/ 20 - Netname
- CISCO-RMS-01
- Registrant
- Cisco Systems, Inc.
- Organization
- Cisco Systems, Inc. (CS-2831)
- Org address
- 251 LITTLE FALLS DRIVE, WILMINGTON, DE, 19808
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-187-208-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Jul 31, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 31, 2018
- Status
- assigned
Report abuse
Abuse contact
- csirt-notify@
cisco. com - Name
- Cisco CSIRT
- Phone
- +1-408-527-3227
- Handle
- CISCO6-ARIN