Data as of Nov 13, 2026
51.161.152.0/23
14 residential-proxy exits · 30 daysOVH SAS · space held by OVH Hosting, Inc.
Residential-proxy exits
Proxy exits
14
2.7% of its addresses · 30 days
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
320 observations
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 51.161.0.0/16 | 65,536 | HO-2 | OVH Hosting, Inc. (HO-2) · CA | Direct Allocation | Sep 3, 2019 | abuse@ |
| └ 51.161.128.0/17 | 32,768 | NET-51-161-128-0-1 | OVH Australia PTY LTD (OAPL-2) · AU | Reallocated | Sep 9, 2019 | noc@ |
Network & registry
Announced by
Covering announcement 51.161.128.0/17
- Prefix
- 51.161.128.0/17
- Announced by
- AS16276 OVH SAS
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- NET-51-161-128-0-1
- Registrant
- OVH Australia PTY LTD
- RIR
- ARIN
IPv4 market
Holder
- Organization
- OVH Hosting, Inc.
- Handle
- HO-2
- Range
- 51.
161. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 3, 2019
- Reallocated to
- OVH Australia PTY LTD (OAPL-2)
- Reallocated range
- 51.
161. 128. 0/ 17 - Reallocated
- Sep 9, 2019
Origin network
AS16276
FR
- Name
- OVH SAS
- Type
- Hosting
- Registered
- Feb 15, 2001
- Domain
- ovhcloud.com
- Website
- www.ovhcloud.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 265
- Tor exits
- 11
Routing timeline
Who has announced 51.161.128.0/17
51.161.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Jul 2020
- Current origin since
- Jul 2020 · 6.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.161.128.0/17 | AS16276 | /17 | ARIN | RPKI valid |
IRR
Route objects on 51.161.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16276 | ARIN | OVH Hosting route | MNT-HO-2 | Sep 2, 2022 |
Whois
Registration for this announcement
- Range
- 51.
161. 128. 0/ 17 - Netname
- NET-51-161-128-0-1
- Registrant
- OVH Australia PTY LTD
- Organization
- OVH Australia PTY LTD (OAPL-2)
- Org address
- 90 ARTHUR STREET NORTH SYDNEY NSW, SYDNEY, 2060
- Org country
- AU
- Type
- Reallocated
- Handle
- NET-51-161-128-0-1
- Parent
- NET-51-161-0-0-1
- Created
- Sep 9, 2019
- RIR
- ARIN
- Country
- CA
- Delegated
- Sep 3, 2019
- Status
- assigned
Report abuse
Abuse contact
- noc@
ovh. net - Name
- NOC
- Phone
- +1-855-684-5463
- Handle
- NOC11876-ARIN