Data as of Nov 15, 2026
151.
Corporate gateway · not an anonymizer- Proxy activity
- Not seen in 30 days
- Type
- Corporate gatewayHosting network
- Risk
- 20 / 100 · Low
- Operator
- Corporate gatewaysoperated by Cisco Umbrella
- Announced by
- AS16509Amazon.com, Inc.Hosting
- Announcement
- 151.186.151.0/24RPKI valid
- Company
- Cisco
- Location
- Muscat, Oman
Network & registry
Announced by
Announcement
- Prefix
- 151.186.151.0/24
- Announced by
- AS16509 Amazon.com, Inc.
- Type
- Corporate gateway
- RPKI
- RPKI valid
Registry
Holder
- Organization
- Cisco Systems, Inc.
- Handle
- ORG-CSI15-RIPE
- Range
- 151.
186. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Sep 2, 2021
- Legacy
- yes
Origin network
AS16509
US
- Name
- Amazon.com, Inc.
- Type
- Hosting
- Registered
- May 4, 2000
- Domain
- amazon.com
- Website
- www.amazon.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 298
Routing timeline
Who has announced 151.186.151.0/24
151.186.151.0/24
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.186.151.0/24 | AS14618 | /24 | RIPE | Another network |
| 151.186.151.0/24 | AS16509 | /24 | RIPE | RPKI valid |
| 151.186.151.0/24 | AS36692 | /24 | RIPE | Another network |
| 151.186.144.0/20 | AS14618 | /24 | RIPE | Another network |
| 151.186.144.0/20 | AS16509 | /24 | RIPE | RPKI valid |
| 151.186.144.0/20 | AS36692 | /24 | RIPE | Another network |
IRR
Route objects on 151.186.151.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16509 | RADB | Amazon EC2 Prefix | MAINT-AS16509 | Aug 27, 2025 |
Whois
Registration for this address
- Range
- 151.
186. 151. 0/ 24 - Netname
- CISCO-CIE-NATAAS-12
- Registrant country
- IT
- Organization
- Not stated by the registry
- Type
- LEGACY
- Created
- Jun 12, 2024
- Updated
- Nov 4, 2026
- Maintainer
- lir-us-cisco2-1-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Sep 17, 1991
- Status
- assigned
Report abuse
Abuse contact
- rir-abuse@
cisco. com - Name
- Abuse-C Role
- Handle
- AR80285-RIPE