Data as of Nov 10, 2026
5.2.1.0/24
1 residential-proxy exit · 30 daysOpnet Srl
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
6 observations
Proxy providers listing exits
- AnyIP
- FloppyData
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 |
|---|---|---|---|---|---|---|
| 5.2.0.0/20 | 4,096 | IT-OPNET-20120427 | Opnet Srl (ORG-OS382-RIPE) · IT | ALLOCATED PA | May 14, 2025 | abusi@ |
| └ 5.2.0.0/21 | 2,048 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Apr 27, 2012 | abusi@ via IT-OPNET-20120427 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 5.2.0.0/21
- Prefix
- 5.2.0.0/21
- Announced by
- AS198471 Opnet Srl
- Type
- Residential
- Proxy exits
- 4
- RPKI
- No RPKI
- Netname
- LINKEM-NET
- Registrant
- Linkem Customers
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Opnet Srl
- Handle
- ORG-OS382-RIPE
- Range
- 5.
2. 0. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- May 14, 2025
Origin network
AS198471
IT
- Name
- Opnet Srl
- Type
- Internet provider
- Registered
- Feb 9, 2012
- Domain
- opnet.it
- Website
- web.linkem.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 5.2.0.0/21
5.2.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2012
- Current origin since
- Jun 2020 · 6.4 yr
- Origin networks
- 1
IRR
Route objects on 5.2.0.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | Jun 15, 2020 |
Whois
Registration for this announcement
- Range
- 5.
2. 0. 0/ 21 - Netname
- LINKEM-NET
- Registrant
- Linkem Customers
- Registrant country
- IT
- Organization
- Linkem Customers
- Org country
- IT
- Type
- ASSIGNED PA
- Created
- Apr 27, 2012
- Updated
- Feb 21, 2022
- Maintainer
- LINKEM-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Apr 27, 2012
- Status
- assigned
Report abuse
Abuse contact
- abusi@
opnet. it - Name
- Abuse-C Role
- Handle
- AR77665-RIPE