AS23579 Seoul Metropolitan Office Of Education

SENNEIS-AS-KR-KR - Seoul Metropolitan Office Of Education · registered in South Korea

IPv4 addresses7,16818 prefixes · <0.001% of announced IPv4

Rank in South Korea#253largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#11,537of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS23579 in ASN lookup Look up an IP in this network (1.231.193.1) All networks in South Korea

IPv4 prefixes

All 18 prefixes, in address order.

1.231.193.0/24
61.108.10.0/24
103.157.158.0/23
118.221.198.0/23
118.221.200.0/24
118.221.206.0/23
202.171.248.0/22
210.180.119.0/24
211.61.17.0/24
211.61.19.0/24
211.61.20.0/22
211.61.24.0/24
218.48.161.0/24
218.48.162.0/23
218.48.166.0/24
218.48.168.0/24
218.48.173.0/24
220.65.122.0/24

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS45403#250 IITPA-AS-KR-KR - INCHEON TECHNOPARK7,680

AS9957#251 KINX-AS-KR - KINX7,678

AS152232#252 KTCC-AS-KR-KR - kt cloud Co., Ltd7,424

AS23591#254 LS-AS-KR-KR - LS ITC7,168

AS17579#255 KREONET2-AS-KR-KR - KISTI6,912

AS9455#256 EDUNET-AS-KR - KERIS6,912

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