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HomeAll IP Ranges203.0.0.0/8203.242.0.0/16
65,536 routable6 ASes
/16 subnet

203.242.0.0/16

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

203.241.0.0/16203.243.0.0/16
65,536
routable addresses
65,536
geolocated
1
country
6
announcing ASes
27
announced prefixes
31
anonymous addresses

Where it is

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

  1. 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.

  1. AS7557Korea Trade Network32,768 · 50.00%
  2. AS10049SK Co.,10,240 · 15.63%
  3. AS10189Hyundai Movex7,936 · 12.11%
  4. AS4766Korea Telecom6,400 · 9.77%
  5. AS17841NATIONAL INFORMATION RESOURCES SERVICE1,536 · 2.34%
  6. AS45400Korea Telecom256 · 0.39%

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.

Announced prefixes

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

27 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
203.242.0.0/19AS4766Korea TelecomSouth KoreaNot found182026-10-02
203.242.0.0/23AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.0.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.1.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.2.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.3.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.4.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.5.0/24AS45400Korea TelecomSouth KoreaNot found182026-10-02
203.242.6.0/24AS17841NATIONAL INFORMATION RESOURCES SERVICESouth KoreaNot found182026-10-02
203.242.32.0/20AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.40.0/24AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.48.0/21AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.56.0/22AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.60.0/23AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.62.0/24AS10189Hyundai MovexSouth KoreaNot found172026-10-02
203.242.64.0/21AS10049SK Co.,South KoreaNot found182026-10-02
203.242.72.0/21AS10049SK Co.,South KoreaNot found182026-10-02
203.242.80.0/20AS10049SK Co.,South KoreaNot found182026-10-02
203.242.120.0/22AS10049SK Co.,South KoreaNot found182026-10-02
203.242.124.0/22AS10049SK Co.,South KoreaNot found182026-10-02
203.242.128.0/17AS7557Korea Trade NetworkSouth KoreaNot found182026-10-02
203.242.146.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02
203.242.148.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02
203.242.151.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02
203.242.202.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02
203.242.207.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02
203.242.243.0/24AS7557Korea Trade NetworkSouth KoreaNot found172026-10-02

Every /24 inside it

203.242.0.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.1.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.2.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.3.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.4.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.5.0/24South KoreaAS45400Korea Telecom000.00%
203.242.6.0/24South KoreaAS17841NATIONAL INFORMATION RESOURCES SERVICE000.00%
203.242.7.0/24South KoreaAS4766Korea Telecom000.00%
203.242.8.0/24South KoreaAS4766Korea Telecom000.00%
203.242.9.0/24South KoreaAS4766Korea Telecom000.00%
203.242.10.0/24South KoreaAS4766Korea Telecom000.00%
203.242.11.0/24South KoreaAS4766Korea Telecom000.00%
203.242.12.0/24South KoreaAS4766Korea Telecom000.00%
203.242.13.0/24South KoreaAS4766Korea Telecom000.00%
203.242.14.0/24South KoreaAS4766Korea Telecom000.00%
203.242.15.0/24South KoreaAS4766Korea Telecom000.00%
203.242.16.0/24South KoreaAS4766Korea Telecom000.00%
203.242.17.0/24South KoreaAS4766Korea Telecom000.00%
203.242.18.0/24South KoreaAS4766Korea Telecom000.00%
203.242.19.0/24South KoreaAS4766Korea Telecom000.00%
203.242.20.0/24South KoreaAS4766Korea Telecom000.00%
203.242.21.0/24South KoreaAS4766Korea Telecom000.00%
203.242.22.0/24South KoreaAS4766Korea Telecom000.00%
203.242.23.0/24South KoreaAS4766Korea Telecom000.00%
203.242.24.0/24South KoreaAS4766Korea Telecom000.00%
203.242.25.0/24South KoreaAS4766Korea Telecom000.00%
203.242.26.0/24South KoreaAS4766Korea Telecom000.00%
203.242.27.0/24South KoreaAS4766Korea Telecom000.00%
203.242.28.0/24South KoreaAS4766Korea Telecom000.00%
203.242.29.0/24South KoreaAS4766Korea Telecom000.00%
203.242.30.0/24South KoreaAS4766Korea Telecom000.00%
203.242.31.0/24South KoreaAS4766Korea Telecom000.00%
203.242.32.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.33.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.34.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.35.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.36.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.37.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.38.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.39.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.40.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.41.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.42.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.43.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.44.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.45.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.46.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.47.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.48.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.49.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.50.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.51.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.52.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.53.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.54.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.55.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.56.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.57.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.58.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.59.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.60.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.61.0/24South KoreaAS10189Hyundai Movex000.00%
203.242.62.0/24South KoreaAS10189Hyundai Movex200.78%
203.242.63.0/24South Korea—000.00%
203.242.64.0/24South KoreaAS10049SK Co.,000.00%
203.242.65.0/24South KoreaAS10049SK Co.,000.00%
203.242.66.0/24South KoreaAS10049SK Co.,000.00%
203.242.67.0/24South KoreaAS10049SK Co.,000.00%
203.242.68.0/24South KoreaAS10049SK Co.,000.00%
203.242.69.0/24South KoreaAS10049SK Co.,000.00%
203.242.70.0/24South KoreaAS10049SK Co.,000.00%
203.242.71.0/24South KoreaAS10049SK Co.,000.00%
203.242.72.0/24South KoreaAS10049SK Co.,000.00%
203.242.73.0/24South KoreaAS10049SK Co.,000.00%
203.242.74.0/24South KoreaAS10049SK Co.,000.00%
203.242.75.0/24South KoreaAS10049SK Co.,000.00%
203.242.76.0/24South KoreaAS10049SK Co.,000.00%
203.242.77.0/24South KoreaAS10049SK Co.,000.00%
203.242.78.0/24South KoreaAS10049SK Co.,000.00%
203.242.79.0/24South KoreaAS10049SK Co.,000.00%
203.242.80.0/24South KoreaAS10049SK Co.,000.00%
203.242.81.0/24South KoreaAS10049SK Co.,000.00%
203.242.82.0/24South KoreaAS10049SK Co.,000.00%
203.242.83.0/24South KoreaAS10049SK Co.,000.00%
203.242.84.0/24South KoreaAS10049SK Co.,000.00%
203.242.85.0/24South KoreaAS10049SK Co.,000.00%
203.242.86.0/24South KoreaAS10049SK Co.,000.00%
203.242.87.0/24South KoreaAS10049SK Co.,000.00%
203.242.88.0/24South KoreaAS10049SK Co.,000.00%
203.242.89.0/24South KoreaAS10049SK Co.,000.00%
203.242.90.0/24South KoreaAS10049SK Co.,000.00%
203.242.91.0/24South KoreaAS10049SK Co.,000.00%
203.242.92.0/24South KoreaAS10049SK Co.,000.00%
203.242.93.0/24South KoreaAS10049SK Co.,000.00%
203.242.94.0/24South KoreaAS10049SK Co.,000.00%
203.242.95.0/24South KoreaAS10049SK Co.,000.00%
203.242.96.0/24South Korea—000.00%
203.242.97.0/24South Korea—000.00%
203.242.98.0/24South Korea—000.00%
203.242.99.0/24South Korea—000.00%
203.242.100.0/24South Korea—000.00%
203.242.101.0/24South Korea—000.00%
203.242.102.0/24South Korea—000.00%
203.242.103.0/24South Korea—000.00%
203.242.104.0/24South Korea—000.00%
203.242.105.0/24South Korea—000.00%
203.242.106.0/24South Korea—000.00%
203.242.107.0/24South Korea—000.00%
203.242.108.0/24South Korea—000.00%
203.242.109.0/24South Korea—000.00%
203.242.110.0/24South Korea—000.00%
203.242.111.0/24South Korea—000.00%
203.242.112.0/24South Korea—000.00%
203.242.113.0/24South Korea—000.00%
203.242.114.0/24South Korea—000.00%
203.242.115.0/24South Korea—000.00%
203.242.116.0/24South Korea—000.00%
203.242.117.0/24South Korea—000.00%
203.242.118.0/24South Korea—000.00%
203.242.119.0/24South Korea—000.00%
203.242.120.0/24South KoreaAS10049SK Co.,000.00%
203.242.121.0/24South KoreaAS10049SK Co.,000.00%
203.242.122.0/24South KoreaAS10049SK Co.,000.00%
203.242.123.0/24South KoreaAS10049SK Co.,000.00%
203.242.124.0/24South KoreaAS10049SK Co.,000.00%
203.242.125.0/24South KoreaAS10049SK Co.,000.00%
203.242.126.0/24South KoreaAS10049SK Co.,100.39%
203.242.127.0/24South KoreaAS10049SK Co.,000.00%
203.242.128.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.129.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.130.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.131.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.132.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.133.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.134.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.135.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.136.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.137.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.138.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.139.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.140.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.141.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.142.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.143.0/24South KoreaAS7557Korea Trade Network200.78%
203.242.144.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.145.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.146.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.147.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.148.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.149.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.150.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.151.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.152.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.153.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.154.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.155.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.156.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.157.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.158.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.159.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.160.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.161.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.162.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.163.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.164.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.165.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.166.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.167.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.168.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.169.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.170.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.171.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.172.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.173.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.174.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.175.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.176.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.177.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.178.0/24South KoreaAS7557Korea Trade Network200.78%
203.242.179.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.180.0/24South KoreaAS7557Korea Trade Network602.34%
203.242.181.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.182.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.183.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.184.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.185.0/24South KoreaAS7557Korea Trade Network1104.30%
203.242.186.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.187.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.188.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.189.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.190.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.191.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.192.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.193.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.194.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.195.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.196.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.197.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.198.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.199.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.200.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.201.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.202.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.203.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.204.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.205.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.206.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.207.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.208.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.209.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.210.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.211.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.212.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.213.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.214.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.215.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.216.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.217.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.218.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.219.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.220.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.221.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.222.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.223.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.224.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.225.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.226.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.227.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.228.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.229.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.230.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.231.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.232.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.233.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.234.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.235.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.236.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.237.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.238.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.239.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.240.0/24South KoreaAS7557Korea Trade Network100.39%
203.242.241.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.242.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.243.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.244.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.245.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.246.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.247.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.248.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.249.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.250.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.251.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.252.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.253.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.254.0/24South KoreaAS7557Korea Trade Network000.00%
203.242.255.0/24South KoreaAS7557Korea Trade Network000.00%
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