Data as of Nov 10, 2026
155.
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
- AS36692Cisco OpenDNS, LLCopendns.comBusiness
- Announcement
- 155.190.51.0/24RPKI valid
- Location
- Hanoi, Vietnam
Network & registry
Announced by
Announcement
- Prefix
- 155.190.51.0/24
- Announced by
- AS36692 Cisco OpenDNS, LLC
- Type
- Corporate gateway
- Proxy exits
- 4
- RPKI
- RPKI valid
Registry
Holder
- Organization
- Cisco Systems, Inc.
- Handle
- ORG-CSI15-RIPE
- Range
- 155.
190. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Aug 22, 2019
- Legacy
- yes
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 155.190.51.0/24
155.190.51.0/24
Routing history
- Pattern
- Stable
- First seen
- Apr 2021
- Current origin since
- Apr 2021 · 5.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 155.190.51.0/24 | AS36692 | /24 | RIPE | RPKI valid |
IRR
Route objects on 155.190.51.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS36692 | RADB | Cisco | MAINT-AS36692 | Nov 13, 2023 |
Whois
Registration for this address
- Range
- 155.
190. 51. 0/ 24 - Netname
- CIE-SG
- Registrant country
- SG
- Organization
- Not stated by the registry
- Type
- LEGACY
- Created
- Feb 28, 2023
- Updated
- Jan 10, 2025
- Maintainer
- OPENDNS-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Mar 25, 1992
- Status
- assigned
Report abuse
Abuse contact
- rir-abuse@
cisco. com - Name
- Abuse-C Role
- Handle
- AR80285-RIPE