203.244.0.0/16

Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.

203.243.0.0/16 203.245.0.0/16

65,536

routable addresses

65,536

geolocated

country

announcing ASes

announced prefixes

anonymous addresses

Where it is

Addresses IP Geolocation places in each country, as a share of those it places.

South Korea65,536 · 100.00%

Who announces it

Each /24 counted for the AS announcing most of it, as a share of the routable addresses.

AS18305POSCO DX16,384 · 25.00%
AS18401DAEGU UNIVERSITY16,384 · 25.00%
AS6619SamsungSDS Inc.10,240 · 15.63%
AS9273ITCENENTEC CO.,LTD.8,192 · 12.50%

What the databases see

Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.

VPN IP12
0.02%
Residential Proxy IP10
0.02%
Datacenter Proxy IP0
None here
Mobile Proxy IP0
None here
Public Proxy IP0
None here
Tor IP0
None here
Relay IP0
None here
Hosting IP0
None here
CDN IP0
None here
Carrier IP0
None here
Satellite IP0
None here
Anycast IP0
None here
SSH IP1
0.00%
SMTP IP0
None here
DNS Resolver IP6
0.01%
Web IP397
0.61%
BitTorrent IP15
0.02%

Announced prefixes

Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.

6 prefixes

PREFIX	ORIGIN	COUNTRY	RPKI	PEERS	FIRST SEEN
203.244.0.0/19	AS9273ITCENENTEC CO.,LTD.	South Korea	Not found	18	2026-10-02
203.244.32.0/19	AS18305POSCO DX	South Korea	Not found	18	2026-10-02
203.244.64.0/19	AS18305POSCO DX	South Korea	Not found	18	2026-10-02
203.244.120.0/21	AS6619SamsungSDS Inc.	South Korea	Not found	18	2026-10-02
203.244.128.0/18	AS18401DAEGU UNIVERSITY	South Korea	Not found	18	2026-10-02
203.244.192.0/19	AS6619SamsungSDS Inc.	South Korea	Not found	18	2026-10-02

Every /24 inside it


203.244.0.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.1.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.2.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.3.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.4.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.5.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.6.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.7.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.8.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.9.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.10.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.11.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.12.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.13.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.14.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.15.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.16.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.17.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.18.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.19.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.20.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.21.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.22.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.23.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.24.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.25.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.26.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.27.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.28.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.29.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.30.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.31.0/24	South Korea	AS9273ITCENENTEC CO.,LTD.	0	0.00%
203.244.32.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.33.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.34.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.35.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.36.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.37.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.38.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.39.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.40.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.41.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.42.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.43.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.44.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.45.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.46.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.47.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.48.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.49.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.50.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.51.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.52.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.53.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.54.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.55.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.56.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.57.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.58.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.59.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.60.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.61.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.62.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.63.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.64.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.65.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.66.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.67.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.68.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.69.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.70.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.71.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.72.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.73.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.74.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.75.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.76.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.77.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.78.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.79.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.80.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.81.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.82.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.83.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.84.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.85.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.86.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.87.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.88.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.89.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.90.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.91.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.92.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.93.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.94.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.95.0/24	South Korea	AS18305POSCO DX	0	0.00%
203.244.96.0/24	South Korea	—	0	0.00%
203.244.97.0/24	South Korea	—	0	0.00%
203.244.98.0/24	South Korea	—	0	0.00%
203.244.99.0/24	South Korea	—	0	0.00%
203.244.100.0/24	South Korea	—	0	0.00%
203.244.101.0/24	South Korea	—	0	0.00%
203.244.102.0/24	South Korea	—	0	0.00%
203.244.103.0/24	South Korea	—	0	0.00%
203.244.104.0/24	South Korea	—	0	0.00%
203.244.105.0/24	South Korea	—	0	0.00%
203.244.106.0/24	South Korea	—	0	0.00%
203.244.107.0/24	South Korea	—	0	0.00%
203.244.108.0/24	South Korea	—	0	0.00%
203.244.109.0/24	South Korea	—	0	0.00%
203.244.110.0/24	South Korea	—	0	0.00%
203.244.111.0/24	South Korea	—	0	0.00%
203.244.112.0/24	South Korea	—	0	0.00%
203.244.113.0/24	South Korea	—	0	0.00%
203.244.114.0/24	South Korea	—	0	0.00%
203.244.115.0/24	South Korea	—	0	0.00%
203.244.116.0/24	South Korea	—	0	0.00%
203.244.117.0/24	South Korea	—	0	0.00%
203.244.118.0/24	South Korea	—	0	0.00%
203.244.119.0/24	South Korea	—	0	0.00%
203.244.120.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.121.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.122.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.123.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.124.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.125.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.126.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.127.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.128.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.129.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.130.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.131.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.132.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.133.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.134.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.135.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.136.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.137.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.138.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.139.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.140.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.141.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.142.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.143.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.144.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.145.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.146.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.147.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.148.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.149.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.150.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.151.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.152.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.153.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.154.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.155.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.156.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.157.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.158.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.159.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.160.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.161.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.162.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.163.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.164.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.165.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.166.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.167.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.168.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.169.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.170.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.171.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.172.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.173.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.174.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.175.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.176.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.177.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.178.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.179.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.180.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.181.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.182.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.183.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.184.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.185.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.186.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.187.0/24	South Korea	AS18401DAEGU UNIVERSITY	1	0.39%
203.244.188.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.189.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.190.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.191.0/24	South Korea	AS18401DAEGU UNIVERSITY	0	0.00%
203.244.192.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.193.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.194.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.195.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.196.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.197.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.198.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.199.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.200.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.201.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.202.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.203.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.204.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.205.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.206.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.207.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.208.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.209.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.210.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.211.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.212.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.213.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.214.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.215.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.216.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.217.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.218.0/24	South Korea	AS6619SamsungSDS Inc.	1	0.39%
203.244.219.0/24	South Korea	AS6619SamsungSDS Inc.	9	3.52%
203.244.220.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.221.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.222.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.223.0/24	South Korea	AS6619SamsungSDS Inc.	0	0.00%
203.244.224.0/24	South Korea	—	0	0.00%
203.244.225.0/24	South Korea	—	0	0.00%
203.244.226.0/24	South Korea	—	0	0.00%
203.244.227.0/24	South Korea	—	0	0.00%
203.244.228.0/24	South Korea	—	0	0.00%
203.244.229.0/24	South Korea	—	0	0.00%
203.244.230.0/24	South Korea	—	0	0.00%
203.244.231.0/24	South Korea	—	0	0.00%
203.244.232.0/24	South Korea	—	0	0.00%
203.244.233.0/24	South Korea	—	0	0.00%
203.244.234.0/24	South Korea	—	0	0.00%
203.244.235.0/24	South Korea	—	0	0.00%
203.244.236.0/24	South Korea	—	0	0.00%
203.244.237.0/24	South Korea	—	0	0.00%
203.244.238.0/24	South Korea	—	0	0.00%
203.244.239.0/24	South Korea	—	0	0.00%
203.244.240.0/24	South Korea	—	0	0.00%
203.244.241.0/24	South Korea	—	0	0.00%
203.244.242.0/24	South Korea	—	0	0.00%
203.244.243.0/24	South Korea	—	0	0.00%
203.244.244.0/24	South Korea	—	0	0.00%
203.244.245.0/24	South Korea	—	0	0.00%
203.244.246.0/24	South Korea	—	0	0.00%
203.244.247.0/24	South Korea	—	0	0.00%
203.244.248.0/24	South Korea	—	0	0.00%
203.244.249.0/24	South Korea	—	0	0.00%
203.244.250.0/24	South Korea	—	0	0.00%
203.244.251.0/24	South Korea	—	0	0.00%
203.244.252.0/24	South Korea	—	0	0.00%
203.244.253.0/24	South Korea	—	0	0.00%
203.244.254.0/24	South Korea	—	0	0.00%
203.244.255.0/24	South Korea	—	0	0.00%

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