Data as of Nov 5, 2026
72.163.0.0/16
4 residential-proxy exits · 30 daysCisco Systems, Inc.
Residential-proxy exits
Proxy exits
4
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
4
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
6 observations
Proxy providers listing exits
- Byteful
- ProxyRack
- PuraRoute
- Shifter
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.163.0.0/18 since May 2009 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.4.0/24 since Oct 2014 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.7.0/24 since Mar 2012 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.64.0/20 since Feb 2026 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.80.0/20 since Jun 2025 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.96.0/19 since Oct 2007 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.128.0/18 since Sep 2007 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.192.0/19 since Aug 2007 | AS109 | Business | 4 | Cisco Systems, Inc. | |
| 72.163.224.0/19 since May 2007 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.240.0/23 since Jun 2019 | AS109 | Business | Cisco Systems, Inc. | ||
| 72.163.248.0/22 since Jul 2008 | AS109 | Business | Cisco 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
- Mar 2007
- Current origin since
- Mar 2007 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 72.
163. 0. 0/ 16 - Netname
- CISCO-GEN-7
- 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-72-163-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Oct 24, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 24, 2006
- Status
- assigned
Report abuse
Abuse contact
- csirt-notify@
cisco. com - Name
- Cisco CSIRT
- Phone
- +1-408-527-3227
- Handle
- CISCO6-ARIN