AS17878 DREAMMARK1

MARK1-AS-KR-KR - DREAMMARK1 · registered in South Korea

IPv4 addresses166,91263 prefixes · 0.005% of announced IPv4

Rank in South Korea#28largest network in KR by IPv4 space, of 853 · 0.16% of KR

Rank worldwide#1,223of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS17878 in ASN lookup Look up an IP in this network (49.238.192.1) All networks in South Korea

IPv4 prefixes

All 63 prefixes, in address order.

49.238.192.0/19
49.238.224.0/24
49.238.226.0/23
49.238.240.0/20
59.150.56.0/24
59.150.107.0/24
59.150.108.0/23
61.96.94.0/24
61.96.97.0/24
61.96.100.0/24
61.103.4.0/23
61.103.6.0/24
61.103.19.0/24
61.107.230.0/24
61.252.16.0/20
101.202.0.0/20
101.202.16.0/24
101.202.17.0/24
101.202.18.0/23
101.202.20.0/22
101.202.24.0/21
101.202.32.0/19
101.202.64.0/23
101.202.66.0/23
101.202.68.0/22
101.202.72.0/21
101.202.80.0/20
101.202.96.0/19
101.202.128.0/17
103.27.128.0/22
103.139.118.0/23
106.10.64.0/18
110.44.32.0/20
110.44.56.0/21
121.53.248.0/24
122.99.128.0/18
122.99.192.0/19
122.99.224.0/21
122.99.232.0/23
122.99.234.0/24
122.99.239.0/24
122.99.240.0/20
125.57.22.0/24
125.57.231.0/24
202.158.144.0/20
203.216.160.0/19
210.112.160.0/20
210.205.112.0/20
211.39.237.0/24
211.111.27.0/24
211.111.28.0/24
211.111.31.0/24
211.183.173.0/24
211.249.21.0/24
211.249.22.0/24
220.64.203.0/24
220.230.79.0/24
220.230.95.0/24
220.230.216.0/24
220.230.222.0/24
220.230.231.0/24
220.230.243.0/24
220.230.254.0/23

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS23563#25 SKB-VITSSEN-SUWON-AS-KR-KR - SK Broadband Co Ltd203,776

AS9694#26 SEOKYUNG-CATV-AS-KR-KR - Seokyung Cable Television Co.. Ltd.197,632

AS45996#27 DAOU-AS-KR-KR - DAOU TECHNOLOGY175,360

AS17877#29 NEXG-AS-KR-KR - KX NexG Co., LTD159,744

AS9770#30 SPEEDONSTV-AS-KR-KR - LG HelloVision Corp.157,952

AS45361#31 JCN-AS-KR-KR - Ulsan Jung-Ang Broadcasting Network151,040

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