AS4961 Daewoo Information Systems

DISC-AS-KR-KR - Daewoo Information Systems · registered in South Korea

IPv4 addresses96,76828 prefixes · 0.003% of announced IPv4

Rank in South Korea#54largest network in KR by IPv4 space, of 853 · 0.09% of KR

Rank worldwide#1,931of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS4961 in ASN lookup Look up an IP in this network (152.149.40.1) All networks in South Korea

IPv4 prefixes

All 28 prefixes, in address order.

152.149.40.0/21
152.149.49.0/24
152.149.50.0/23
152.149.52.0/22
152.149.56.0/21
152.149.64.0/18
152.149.128.0/19
152.149.160.0/20
152.149.176.0/21
152.149.184.0/22
152.149.188.0/23
152.149.190.0/24
152.149.191.0/24
152.149.192.0/20
152.149.208.0/22
152.149.212.0/23
152.149.214.0/23
152.149.216.0/21
152.149.224.0/19
165.133.38.0/23
165.133.40.0/24
165.133.128.0/17
210.122.16.0/20
211.217.8.0/21
211.217.16.0/22
211.217.20.0/23
211.217.22.0/24
219.240.92.0/24

Other ASNs named Daewoo Information Systems

1 other network uses the same organisation name; together with AS4961 they announce 97,280 IPv4 addresses.

ASNNameIPv4 addresses

AS152284WOORIFCAPITAL-AS-KR-KR - Daewoo Information Systems KR512

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS9706#51 PETISNET-AS-KR - BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE101,888

AS45974#52 NHN-AS-KR-KR - NHNCLOUD98,048

AS38103#53 SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co Ltd97,536

AS17854#55 SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd96,256

AS38109#56 SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd95,488

AS7557#57 KTNET-AS-KR - Korea Trade Network94,208

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