Data as of Nov 13, 2026
64.104.0.0/16
No anonymizer space · no proxy exits in 30 daysCisco Systems, Inc.
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 | Holder | RPKI |
|---|---|---|---|---|
| 64.104.0.0/18 since May 2005 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.64.0/19 since May 2005 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.96.0/19 since May 2005 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.124.0/24 since Dec 2020 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.128.0/19 since Sep 2007 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.160.0/19 since May 2005 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.192.0/18 since May 2005 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.204.0/23 since Aug 2016 | AS109 | Business | Cisco Systems, Inc. | |
| 64.104.206.0/23 since Aug 2016 | 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
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS109 | RADB | CISCO SYSTEMS, INC | MAINT-AS109 | Nov 13, 2023 |
| AS109 | ARIN | 170 West Tasman Drive | MNT-CS-2831 | Oct 25, 2023 |
| AS4657 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Dec 20, 2006 |
| AS198949 not the origin | ARIN | CISCO SYSTEMS, INC. | MNT-CS-2831 | Jul 29, 2025 |
| AS198949 not the origin | RADB | Cisco IT | MAINT-AS198949 | Aug 5, 2025 |
Whois
Registration for this announcement
- Range
- 64.
100. 0. 0 - 64. 104. 255. 255 - Netname
- CISCO-GEN-6
- 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-64-100-0-0-1
- Parent
- NET-64-0-0-0-0
- Created
- May 24, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- May 24, 2000
- Status
- assigned
Report abuse
Abuse contact
- csirt-notify@
cisco. com - Name
- Cisco CSIRT
- Phone
- +1-408-527-3227
- Handle
- CISCO6-ARIN