Data as of Nov 3, 2026
Autonomous system

AS131820

HMM

Announces 1,024 addresses in 3 prefixes. None of it is anonymizer space.

Type
Business
KR

Announced prefixes

Arrived
PrefixTypeHolderRPKI
203.239.96.0/22
since Mar 2022
BusinessSejong Networks
203.239.97.0/24
since Jun 2022
BusinessSejong Networks
203.239.99.0/24
since Jun 2022
BusinessSejong Networks

Network & history

Profile
Registered
Aug 1, 2011
Domain
hmm21.com
Website
www.hmm21.com/
Industry
Freight, Shipment, and Postal Services