AS19721 — MHN

AS19721 announces 1 IPv4 prefixes covering 8,192 addresses and 0 IPv6 prefixes.

About this network

The AS handle MHN is held by Magellan Health.

What it's used for

• The address space carries internal corporate infrastructure for a behavioral health provider, evidenced by the consistent netname MAGEL and registrant MagellanBehavioralHealth across all prefixes.
• The AS announces 8192 IPv4 addresses across 8 prefixes with only 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.

Notable

• All registrants align with the announcer, consistently identified as MagellanBehavioralHealth with the netname MAGEL.
• Magellan Health is a major US behavioral health provider; the AS number reflects its corporate identity in the routing table.
• The inventory consists of a single contiguous block (204.193.64.0/20) subdivided into smaller prefixes, typical of internal site segmentation.

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

Announced prefixes

• 204.193.64.0/19

Upstream networks

• AS49915 Megaport (UK) Limited
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS49915 Megaport (UK) Limited
• AS3356 Level 3 Parent, LLC