Data as of Nov 3, 2026
37.77.112.0/20
No anonymizer space · no proxy exits in 30 daysOpnet Srl
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 37.77.114.0/24 since Mar 2017 | AS198471 | Residential | |
| 37.77.115.0/24 since Mar 2017 | AS198471 | Residential | |
| 37.77.120.0/24 since Oct 2016 | AS198471 | Residential | |
| 37.77.121.0/24 since Oct 2016 | AS198471 | Residential | |
| 37.77.122.0/23 since Jul 2019 | AS198471 | Residential | |
| 37.77.124.0/24 since Oct 2016 | AS198471 | Residential | |
| 37.77.125.0/24 since Oct 2016 | AS198471 | Residential |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.77.112.0/20 | 4,096 | IT-OPNET-20120202 | Opnet Srl (ORG-OS382-RIPE) · IT | ALLOCATED PA | May 14, 2025 | [email protected] |
| └ 37.77.112.0/22 | 1,024 | LINKEM-NET | Linkem S.p.a. | ASSIGNED PA | Feb 9, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.116.0/23 | 512 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Feb 20, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.118.0/23 | 512 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Feb 23, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.120.0/22 | 1,024 | LINKEM-NET | Linkem SpA | ASSIGNED PA | Mar 2, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.124.0/23 | 512 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Mar 22, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.126.0/24 | 256 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Apr 11, 2012 | [email protected] via IT-OPNET-20120202 |
| └ 37.77.127.0/24 | 256 | LINKEM-NET | Linkem Customers | ASSIGNED PA | Mar 13, 2012 | [email protected] via IT-OPNET-20120202 |
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
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2013
- Current origin since
- Sep 2013 · 13 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 37.77.112.0/23 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.112.0/24 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.113.0/24 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.114.0/23 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.120.0/23 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.124.0/23 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.126.0/23 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.126.0/24 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
| 37.77.127.0/24 | AS198471 | RIPE | LINKEM-NETWORK | LINKEM-MNT | May 6, 2020 |
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- IT-OPNET-20120202
- Registrant
- Opnet Srl
- Registrant country
- IT
- Organization
- Not stated by the registry
- Created
- May 14, 2025
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Feb 2, 2012
- Status
- assigned