AS42213 — MPIL-AS-1

AS42213 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

MPIL-AS-1 is held by Mallinckrodt Pharmaceuticals Ireland Ltd.

What it's used for

• The space carries corporate infrastructure for a pharmaceutical company, evidenced by the netname THM-146-214 and registrant Mallinckrodt LLC.
• The AS announces 512 IPv4 addresses within a single prefix (146.214.64.0/23) and maintains 2 observed neighbours, a ratio consistent with a small internal corporate estate rather than an access or transit network.
• Traffic from this AS consists of office workers and internal systems for a global pharmaceutical firm headquartered in Dublin.

Notable

• The RDAP registrant Mallinckrodt LLC aligns with the AS holder Mallinckrodt Pharmaceuticals Ireland Ltd, reflecting the company's structure where the Irish entity holds the AS number for the global brand.
• Mallinckrodt completed a tax inversion to Ireland in 2013, moving its corporate headquarters to Dublin while retaining operational headquarters in the United States.
• The address inventory is a single /23 block, indicating a compact, self-contained corporate network.

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

Announced prefixes

• 146.214.64.0/23

Upstream networks

• AS8220 COLT Technology Services Group Limited
• AS5466 Eircom Limited

Adjacent networks

• AS8220 COLT Technology Services Group Limited
• AS5466 Eircom Limited

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 1 route objects.
• Listed in as-sets: AS-BTIRE, AS-EIRCOM, AS-GTTCUST, AS-JARMTELCO, AS56410:AS-ALL, AS8220:AS-COLTIE.