Data as of Nov 11, 2026
151.97.18.0/24
No anonymizer space · no proxy exits in 30 daysConsortium GARR · space held by Universita' degli Studi di Catania
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 |
|---|---|---|---|---|---|---|
| 151.97.0.0/16 | 65,536 | CT-NET | Universita' degli Studi di Catania (ORG-UDSD43-RIPE) · IT | LEGACY | — | cert@ |
| └ 151.97.18.0/24 | 256 | INAF-OAF-CT-net3 | Istituto Nazionale di Astrofisica (ORG-INDA1-RIPE) · IT | LEGACY | Apr 16, 2024 | cert@ |
Network & registry
Announced by
Covering announcement 151.97.0.0/16
- Prefix
- 151.97.0.0/16
- Announced by
- AS137 Consortium GARR
- Type
- Business
- Proxy exits
- 75
- RPKI
- RPKI valid
- Netname
- CT-NET
- Registrant
- Universita' degli Studi di Catania
- RIR
- RIPE NCC
Origin network
AS137
IT
- Name
- Consortium GARR
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- garr.it
- Website
- www.garr.it
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 151.97.0.0/16
151.97.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.97.0.0/16 | AS137 | /16 | RIPE | RPKI valid |
IRR
Route objects on 151.97.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS137 | RIPE | CT-NET | GARR-LIR | Feb 23, 2024 |
Whois
Registration for this announcement
- Range
- 151.
97. 0. 0/ 16 - Netname
- CT-NET
- Registrant
- Universita' degli Studi di Catania
- Registrant country
- IT
- Organization
- Universita' degli Studi di Catania (ORG-UDSD43-RIPE)
- Org country
- IT
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Jun 22, 2026
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Jul 7, 1993
- Status
- assigned
Report abuse
Abuse contact
- cert@
garr. it - Name
- ABUSE GARR
- Handle
- AG16225-RIPE