IRN meaning in Regional ?

Answer:

INFO: Full form for IRN is Ironton Railroad (Conrail) in Regional category
IRN also has other full forms in other categories mentioned below.

Full Form	Category
Implementation Research Network	Academic & Science
Intel Research Network	Academic & Science
Iriona	Airport Code
Indophil Resources NL	Business
International Rivers Network	Community
Inspection Release Note	Community
Independent Radio News	Community
Intermediate Routing Node	Computing
Internal Recurrent Neural Network	Electronics
Intelligent Road Network	General
International Rally Navigator	General
Individual Registration Number	General
Individual Record Number	General
International Resource Network	General
Internal Reference Number	General
Interior Redecorators Network	General
Illinois Radio Network	General
Inception Radio Network	General
Independent Recording Network	General
Innovation Reasoning Network	General
Image reference number	General
Installation Requirement Note	General
Import Release Notice	General
Indian Ring Neck	General
Information Resource Navigator	General
Invoice Reference Number	General
Indiana Resource Network	General
Improved RoCE NIC	General
The Recycling Network	Governmental
Institute for Responsible Nutrition	Governmental
Institutional Recycling Network	Governmental
IRGAON	Indian Railway Station
International Research Networks	International
International Referral Network	International
International Radio Network	International
Internet Radio Network	Internet
Internet Resources Newsletter	Internet
In Room Networking	Networking
Consolidated Rail Corporation (formerly Ironton Railroad Company)	Regional
Ironton Railroad (Conrail)	Regional
Interface Revision Notice	Space Science