AS18303 SMARTRO

SMARTRO-AS-KR-KR - SMARTRO · registered in South Korea

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in South Korea#634largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#50,080of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS18303 in ASN lookup Look up an IP in this network (211.192.50.1) All networks in South Korea

IPv4 prefixes

All 2 prefixes, in address order.

211.192.50.0/24
211.193.35.0/24

Other ASNs named SMARTRO

1 other network uses the same organisation name; together with AS18303 they announce 768 IPv4 addresses.

ASNNameIPv4 addresses

AS9690SMARTRONET-KR - SMARTRO KR256

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS18032#631 SHINHANSYS-AS-KR-KR - SHINHAN DS512

AS18175#632 KPSAS-AS-KR-KR - KPS512

AS18299#633 BSFN-AS-KR-KR - BNK Securities Co.,Ltd512

AS18309#635 KOVAN-AS-KR-KR - Korea VAn Service Co.LTD512

AS18333#636 ATNET-AS-KR-KR - at(Korea Argo-Fisheries Food Trade Corporation)512

AS18336#637 KIOM-AS-KR-KR - Korea Institute of Oriental Medicine512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources