Data as of Nov 9, 2026
66.163.57.0/24
No anonymizer space · no proxy exits in 30 daysCisco Webex LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.163.32.0/19 since Oct 2007 | AS13445 | Business | Cisco Webex LLC |
Network & registry
Announced by
Covering announcement 66.163.56.0/22
- Prefix
- 66.163.56.0/22
- Announced by
- AS13445 Cisco Webex LLC
- Type
- Business
- RPKI
- RPKI valid
- Netname
- WEBEX-COM
- Registrant
- Cisco Webex LLC
- RIR
- ARIN
Origin network
AS13445
US
- Name
- Cisco Webex LLC
- Type
- Business
- Registered
- Jun 9, 1999
- Domain
- webex.com
- Website
- www.webex.com/
- Industry
- Online Music and Video Streaming Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
66.163.56.0/22
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.163.56.0/22 | AS13445 | /24 | ARIN | RPKI valid |
| 66.163.32.0/19 | AS13445 | /19 | ARIN | Too specific |
IRR
Route objects on 66.163.56.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13445 | RADB | MAINT-AS13445 | Jun 20, 2025 |
Whois
Registration for this announcement
- Range
- 66.
163. 32. 0/ 19 - Netname
- WEBEX-COM
- Registrant
- Cisco Webex LLC
- Organization
- Cisco Webex LLC (WEX)
- Org address
- 170 W. Tasman Drive, San Jose, CA, 95134
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-163-32-0-1
- Parent
- NET-66-0-0-0-0
- Created
- May 11, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- May 11, 2006
- Status
- assigned
Report abuse
Abuse contact
- csg-network@
cisco. com - Name
- Network Operations Center
- Phone
- +1-855-722-7227
- Handle
- NO86-ARIN