IPv4 Addressing & Subnetting Lab
Hands-on subnet design with real allocation scenarios used in Japanese enterprise networks.
Operational metrics
Inclusions
Flarepulsebeam runs evening and weekend cohorts so warehouse IT staff, clinic volunteers, and career changers can configure real topologies without quitting day jobs.
"We document what is not included so your next enrollment is a plan, not a surprise."
400+
engineers trained since 2019
From subnet discipline to BGP at the edge — structured modules, honest scope, and mentors who still run change windows.
Browse cohort calendarTrusted by teams at regional carriers, retail chains, and university labs — satisfaction 4.8/5 from post-cohort surveys.
Editorial picks — prices shown on alternating cards; full detail on each course page.
Hands-on subnet design with real allocation scenarios used in Japanese enterprise networks.
Configure L2 switching, trunking, and inter-VLAN routing in guided lab environments.
¥72,000Static routes, default routing, and single-area OSPF for branch connectivity.
ACL design, stateful firewalls, and secure management plane practices.
¥85,00001 — The flow
30-minute skills map — no sales script.
Credentials within 48 hours of enrollment.
Configs, diagrams, and rubric-scored tickets.
Written feedback from career coaches.
"The BGP Enterprise Edge community lab mirrored a customer prefix leak we fixed in Q3 — I still reference the filter worksheet from module 6."
"Evening IPv4 lab fit my warehouse shifts."
"Wireless survey template from Flarepulsebeam saved two site walks — channel plan section is opinionated in a good way."
"Core track capstone review flagged my missing rollback steps. Tough feedback, but the hiring manager guest said it mattered."
PDF overview of modules, lab hours, and what we deliberately exclude.