AS48815 — CriticalCase CriticalCase s.r.l

AS48815 announces 17 IPv4 prefixes covering 11,008 addresses and 0 IPv6 prefixes.

About this network

The AS handle CRITICALCASE is held by CriticalCase s.r.l.

What it's used for

• The address space carries hosting and colocation infrastructure, evidenced by reverse DNS entries such as fwcc.myserverfarm.it and cs-176-221-53-254.to2.ccws.it.
• The network announces 11,008 IPv4 addresses across 17 prefixes with only 3 observed neighbours, a ratio that indicates a hosting or content provider rather than a transit carrier.
• Traffic from this AS consists of web servers, API endpoints, and colocation customer infrastructure, consistent with the operator's business as a High Availability service provider.

Notable

• Registrants for the majority of prefixes are CriticalCase s.r.l, while some blocks, such as 185.6.72.0/22 and 91.212.167.0/24, are registered to Upprovider Srl.
• The address inventory is fragmented into 17 distinct prefixes, including several /24s and /23s, suggesting a history of incremental acquisitions or internal segmentation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 5.104.24.0/24
• 91.212.167.0/24
• 109.233.120.0/21
• 176.221.48.0/21
• 185.6.72.0/22
• 185.49.204.0/24
• 185.49.207.0/24
• 195.43.129.0/24
• 195.88.6.0/23
• 212.112.64.0/23
• 212.112.67.0/24
• 212.112.73.0/24
• 212.112.74.0/23
• 212.112.84.0/22
• 212.112.88.0/24
• 212.112.91.0/24
• 212.112.92.0/22

Upstream networks

• AS12779 IT.Gate S.p.A.
• AS3269 Telecom Italia S.p.A.
• AS8220 COLT Technology Services Group Limited

Adjacent networks

• AS12779 IT.Gate S.p.A.
• AS3269 Telecom Italia S.p.A.
• AS8220 COLT Technology Services Group Limited

Routing security

• RPKI: 30 valid, 0 invalid and 3 not-found announcements; 31 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 40 route objects.
• Listed in as-sets: AS-ENTERCUST, AS-IBSCUST, AS-VOXILITY-SET, AS-VOXILITY-SET, AS-VOXILITY-SET, AS12779:AS-CUSTOMERS, AS42425:AS-CUSTOMERS, AS8220:AS-COLTIT.