AS26072 — FIRSTENERGY - FirstEnergy Corp.

AS26072 announces 3 IPv4 prefixes covering 67,840 addresses and 2 IPv6 prefixes.

About this network

FIRSTENERGY is the autonomous system for FirstEnergy Corp., a major electric utility holding company.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the consistent netname FE-CORP across all sampled prefixes.
• With 67,584 IPv4 addresses announced against only 3 observed neighbours, the ratio indicates a large internal corporate estate rather than a transit or access network.

Notable

• All registrants in the evidence pack are FirstEnergy Corp., fully agreeing with the AS announcer.
• The address inventory is finely subdivided into 26 IPv4 prefixes, primarily within the 148.108.0.0/16 range, reflecting site-by-site segmentation typical of a large utility's internal network.
• FirstEnergy Corp. is a publicly traded utility (NYSE: FE) serving customers in Ohio, Pennsylvania, West Virginia, New Jersey, New York, and Maryland.

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

Announced prefixes

• 64.119.240.0/24
• 148.108.0.0/16
• 205.132.72.0/21
• 2620:17e::/42
• 2620:17e:400::/39

Upstream networks

• AS10796 Charter Communications Inc
• AS6461 Zayo Bandwidth
• AS19991 FirstEnergy Corp.

Adjacent networks

• AS10796 Charter Communications Inc
• AS6461 Zayo Bandwidth
• AS19991 FirstEnergy Corp.

Routing security

• RPKI: 0 valid, 0 invalid and 31 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 6% of announcements registered; 3 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-CITYNET-CUSTOMERS, AS-HURRICANE, AS-RR-BIZ, AS-XO-B.