Data as of Nov 7, 2026
185.31.57.0/24
No anonymizer space · no proxy exits in 30 daysPrysmian S.p.A.
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 |
|---|---|---|---|---|---|---|
| 185.31.56.0/22 | 1,024 | IT-PRYSMIANGROUP-20130719 | Prysmian S.p.A. (ORG-PS142-RIPE) · IT | ALLOCATED PA | Jul 19, 2013 | ip-abuse@ |
| └ 185.31.57.0/24 | 256 | PRYSMIAN-NET | Prysmian S.p.A. | ASSIGNED PA | Jan 20, 2014 | ip-abuse@ via IT-PRYSMIANGROUP-20130719 |
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
- Prysmian S.p.A.
- Handle
- ORG-PS142-RIPE
- Range
- 185.
31. 56. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Jul 19, 2013
Origin network
AS204761
IT
- Name
- Prysmian S.p.A.
- Type
- Business
- Registered
- Oct 16, 2025
- Domain
- prysmiangroup.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2014
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 3
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.31.57.0/24 | AS204761 | /32 | RIPE | RPKI valid |
| 185.31.56.0/23 | AS204761 | /32 | RIPE | RPKI valid |
| 185.31.56.0/22 | AS204761 | /32 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS204761 | RIPE | PRYSMIAN-MNT | Jun 5, 2026 |
Whois
Registration for this announcement
- Range
- 185.
31. 57. 0/ 24 - Netname
- PRYSMIAN-NET
- Registrant
- Prysmian S.p.A.
- Registrant country
- US
- Organization
- Prysmian S.p.A.
- Org country
- US
- Type
- ASSIGNED PA
- Created
- Jan 20, 2014
- Updated
- May 23, 2019
- Maintainer
- PRYSMIAN-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Jul 19, 2013
- Status
- assigned
Report abuse
Abuse contact
- ip-abuse@
prysmiangroup. com - Name
- Prysmian Abuse Role
- Handle
- PAR474-RIPE