Data as of Nov 11, 2026
163.129.167.0/24
No anonymizer space · no proxy exits in 30 daysCisco OpenDNS, LLC · space held by Cisco Webex LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Corporate gateway
Risk
20 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 163.129.167.0/24 | /24s |
|---|---|---|---|
| Cisco Umbrella | Cisco | 256100% | 1 |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 163.129.0.0/16 | 65,536 | WEX | Cisco Webex LLC (WEX) · US | Direct Allocation | Jan 11, 2022 | csg-network@ |
| └ 163.129.128.0/17 | 32,768 | UMB-163-129-128-0-17 | Cisco OpenDNS, LLC (OPEND-2) · US | Reassigned | May 23, 2024 | rir-abuse@ |
Network & registry
Registry
Holder
- Organization
- Cisco Webex LLC
- Handle
- WEX
- Range
- 163.
129. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 11, 2022
Origin network
AS36692
US
- Name
- Cisco OpenDNS, LLC
- Type
- Business
- Registered
- Mar 21, 2006
- Domain
- opendns.com
- Website
- www.opendns.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
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 163.129.160.0/19 | AS36692 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS36692 | RADB | Cisco LAB-DAL10.EDC | MAINT-AS36692 | Sep 11, 2026 |
Whois
Registration for this announcement
- Range
- 163.
129. 128. 0/ 17 - Netname
- UMB-163-129-128-0-17
- Registrant
- Cisco OpenDNS, LLC
- Organization
- Cisco OpenDNS, LLC (OPEND-2)
- Org address
- 170 West Tasman Drive, San Jose, CA, 95134
- Org country
- US
- Type
- Reassigned
- Handle
- NET-163-129-128-0-1
- Parent
- NET-163-129-0-0-1
- Created
- May 23, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 11, 2022
- Status
- assigned
Report abuse
Abuse contact
- rir-abuse@
cisco. com - Name
- Cisco Cloud Security Network Abuse
- Phone
- +1-408-525-0560
- Handle
- CCSNA1-ARIN