Data as of Nov 8, 2026
37.143.172.0/24
No anonymizer space · no proxy exits in 30 daysOpticnet-Serv S.R.L.
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 |
|---|---|---|---|---|---|---|
| 37.143.160.0/20 | 4,096 | RO-OPTICNET-20120302 | Opticnet-Serv S.R.L. (ORG-OSS8-RIPE) · RO | ALLOCATED PA | Mar 2, 2012 | abuse@ |
| └ 37.143.172.0/24 | 256 | DUCADU-CLOUD | unknown | ASSIGNED PA | Nov 23, 2018 | abuse@ via RO-OPTICNET-20120302 |
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
Registry
Holder
- Organization
- Opticnet-Serv S.R.L.
- Handle
- ORG-OSS8-RIPE
- Range
- 37.
143. 160. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- Mar 2, 2012
Origin network
AS52023
RO
- Name
- Opticnet-Serv S.R.L.
- Type
- Internet provider
- Registered
- Jul 5, 2016
- Domain
- opticnet.ro
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2012
- Current origin since
- Jun 2023 · 3.4 yr
- Origin networks
- 3
- Last change of origin
- Jun 2023
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 37.
143. 172. 0/ 24 - Netname
- DUCADU-CLOUD
- Registrant country
- RO
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Nov 23, 2018
- Updated
- Jul 11, 2023
- Maintainer
- OPTICNET-MNT
- RIR
- RIPE NCC
- Country
- RO
- Delegated
- Mar 2, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
opticnet. ro - Name
- OPTICNET SERV
- Handle
- OPT100-RIPE