Data as of Nov 7, 2026
128.107.0.0/16
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 |
|---|---|---|---|---|
| 128.107.0.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.2.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.4.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.6.0/23 since Aug 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.8.0/23 since Nov 2020 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.10.0/23 since Dec 2020 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.12.0/23 since Nov 2020 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.14.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.18.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.20.0/23 since Dec 2020 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.22.0/23 since Jan 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.24.0/23 since Jan 2024 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.34.0/23 since Sep 28, 2026 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.36.0/23 since Sep 28, 2026 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.38.0/23 since Jul 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.40.0/23 since Sep 2021 | AS109 | Business | Cisco Systems, Inc. | |
| 128.107.54.0/23 since Oct 2021 | 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 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 128.107.16.0/23 | AS109 | RADB | CISCO SYSTEMS, INC | MAINT-AS109 | Nov 13, 2023 |
| 128.107.232.0/24 | AS109 | RADB | CISCO SYSTEMS, INC | MAINT-AS109 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 128.
107. 0. 0/ 16 - Netname
- CISCO-PRNET1
- 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-128-107-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Feb 5, 1986
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1986
- Status
- assigned
Report abuse
Abuse contact
- csirt-notify@
cisco. com - Name
- Cisco CSIRT
- Phone
- +1-408-527-3227
- Handle
- CISCO6-ARIN