Data as of Nov 3, 2026
176.221.53.240/28
No anonymizer space · no proxy exits in 30 daysCriticalCase s.r.l
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 |
|---|---|---|---|---|---|---|
| 176.221.48.0/21 | 2,048 | IT-CRITICALCASE-SRL-1-20111128 | CriticalCase s.r.l (ORG-CCS4-RIPE) · IT | ALLOCATED PA | Dec 22, 2014 | [email protected] |
| └ 176.221.53.240/28 | 16 | CRITICALCASE-NET-53-B | Critical Case srl ip services network | ASSIGNED PA | Nov 7, 2018 | [email protected] via IT-CRITICALCASE-SRL-1-20111128 |
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 176.221.53.0/24
- Prefix
- 176.221.53.0/24
- Announced by
- AS48815 CriticalCase s.r.l
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- IT-CRITICALCASE-SRL-1-20111128
- Registrant
- CriticalCase s.r.l
- RIR
- RIPE NCC
Origin network
AS48815
IT
- Name
- CriticalCase s.r.l
- Type
- Hosting
- Registered
- Feb 12, 2009
- Domain
- criticalcase.com
- Website
- www.criticalcase.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 176.221.53.0/24
176.221.53.0/24
Routing history
- Pattern
- Reactivated
- First seen
- Mar 2012
- Current origin since
- Mar 2022 · 4.6 yr
- Origin networks
- 2
- Last change of origin
- Mar 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 176.221.53.0/24 | AS48815 | /24 | RIPE | RPKI valid |
IRR
Route objects on 176.221.53.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS48815 | RIPE | CRITICALCASE-MNT | Apr 7, 2022 |
Whois
Registration for this announcement
- Range
- 176.221.48.0/21
- Netname
- IT-CRITICALCASE-SRL-1-20111128
- Registrant
- CriticalCase s.r.l
- Registrant country
- IT
- Organization
- CriticalCase s.r.l (ORG-CCS4-RIPE)
- Org country
- IT
- Type
- ALLOCATED PA
- Created
- Dec 22, 2014
- Updated
- Apr 14, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Nov 28, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR15751-RIPE