AS9953 Hyundai Engineering Construction Co., Ltd.(HDEC)

HDVenture-AS-KR - Hyundai Engineering Construction Co., Ltd.(HDEC) · registered in South Korea

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in South Korea#374largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#22,800of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS9953 in ASN lookup Look up an IP in this network (203.239.216.1) All networks in South Korea

IPv4 prefixes

All 1 prefix, in address order.

203.239.216.0/21

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS38427#371 STXIDC-AS-KR-KR - FORCETEC Co., LTD.2,304

AS9640#372 KRCERT-AS-KR-KR - Korea Internet Security Agency2,048

AS9703#373 SHB-AS-KR - Shinhan Bank2,048

AS10042#375 DPC-AS-KR-KR - SUSEONG COLLEGE2,048

AS17607#376 AS5665-AS-KR-KR - Mirae Asset Life Insurance Co., Ltd2,048

AS17838#377 E-HYUNDAI-AS-KR-KR - HYUNDAI HOMESHOPPING2,048

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