Sejong City Office of Education

Data as of 2026-09-06
BGP inherited
Complete entity footprint
2 linked clusters · 242 netblocks · 1,455,622 IPv4 addresses · 11 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain donghwan.co.kr — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
This organisation
Netblocks110 · 1,448,448 IPv4 addresses
IPv6 2 prefixes (largest 2001:3a8::/32)
Record ID236379740
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (110)

⬇ export CSV
CIDR Org name Registry Status Confidence
114.202.134.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
118.217.16.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
118.217.17.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
175.116.117.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
180.64.135.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
180.64.141.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
180.64.142.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.16.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.27.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.28.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.30.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.32.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.34.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.38.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.61.39.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
211.206.46.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
218.50.200.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
218.50.201.0/24 Sejong City Office of Education BGP ANNOUNCED ● high
58.180.0.0/16 SEJONG APNIC ALLOCATED PORTABLE ● low
61.97.64.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.97.96.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.100.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
61.100.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
61.109.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
61.110.0.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.110.48.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.110.64.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
61.111.112.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.111.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
61.111.240.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.248.176.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
61.249.96.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.249.128.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.249.224.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.250.64.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.250.96.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
61.252.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
113.130.64.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
202.30.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.227.0.0/16 SEJONG APNIC ALLOCATED PORTABLE ● low
203.228.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.231.0.0/16 SEJONG APNIC ALLOCATED PORTABLE ● low
203.235.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.235.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
203.236.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
203.238.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.239.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.240.128.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
203.240.192.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
203.243.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.248.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
203.251.192.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
203.255.112.0/21 SEJONG APNIC ALLOCATED PORTABLE ● low
203.255.128.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
210.98.64.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
210.103.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.109.0.0/16 SEJONG APNIC ALLOCATED PORTABLE ● low
210.111.0.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
210.111.80.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
210.111.96.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
210.112.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.114.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
210.114.208.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
210.114.224.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
210.116.0.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
210.116.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.118.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.121.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.122.0.0/16 SEJONG APNIC ALLOCATED PORTABLE ● low
210.126.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
210.127.64.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
210.127.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
210.127.192.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
211.36.192.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.39.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.43.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.56.192.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.61.64.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.61.112.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.111.128.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.113.128.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
211.115.192.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.115.208.0/22 SEJONG APNIC ALLOCATED PORTABLE ● low
211.115.212.0/22 SEJONG APNIC ALLOCATED PORTABLE ● low
211.115.216.0/21 SEJONG APNIC ALLOCATED PORTABLE ● low
211.116.176.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.116.192.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.172.96.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.189.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.190.0.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.190.32.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.190.112.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.190.128.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.190.224.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.0.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.32.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.64.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.112.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.128.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.160.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.191.240.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.236.224.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
211.238.0.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.238.16.0/20 SEJONG APNIC ALLOCATED PORTABLE ● low
211.239.0.0/17 SEJONG APNIC ALLOCATED PORTABLE ● low
211.239.128.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
211.239.192.0/18 SEJONG APNIC ALLOCATED PORTABLE ● low
211.255.224.0/19 SEJONG APNIC ALLOCATED PORTABLE ● low
2001:3a8::/32 SEJONG APNIC ALLOCATED PORTABLE ● low
2001:cf0::/32 SEJONG APNIC ALLOCATED PORTABLE ● low

IPv6 ranges (2)

CIDR
2001:3a8::/32
2001:cf0::/32

Footprint over time

11 weekly snapshots · JSON
110 0 netblocks since 2026-07-05
2026-07-05 peak 110 2026-09-06

Domains hosted in this network

what's this?
fordining.kr alltheway.kr kakaopay.com iptime.org fbcdn.net ipbpb.com bitmango.com allplaces.kr googlevideo.com afuys.com qnqbaa024.com riliys.com llpai.com pbpbz.com earticle.net pbkan.com nonghyupi.com pianbax.com popco.net kaikaixin.com

NIC Handles

AS55632 IM686-AP IM686-AP MNT-KRNIC-AP