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65,536 routable2 ASes
/16 subnet

121.124.0.0/16

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

65,536
routable addresses
65,536
geolocated
1
country
2
announcing ASes
2
announced prefixes
240
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. AS9318SK Broadband Co Ltd65,280 · 99.61%
  2. AS10188Songdo Chadwick international School256 · 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.

2 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
121.124.0.0/16AS9318SK Broadband Co LtdSouth Koreanot found182026-10-02
121.124.111.0/24AS10188Songdo Chadwick international SchoolSouth Koreanot found182026-10-02

Every /24 inside it

121.124.0.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.1.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.2.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.3.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.4.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.5.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.6.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.7.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.8.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.9.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.10.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.11.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.12.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.13.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.14.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.15.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.16.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.17.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.18.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.19.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.20.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.21.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.22.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.23.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.24.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.25.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.26.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.27.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.28.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.29.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.30.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.31.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.32.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.33.0/24South KoreaAS9318SK Broadband Co Ltd2256100.00%
121.124.34.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.35.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.36.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.37.0/24South KoreaAS9318SK Broadband Co Ltd2256100.00%
121.124.38.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.39.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.40.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.41.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.42.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.43.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.44.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.45.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.46.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.47.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.48.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.49.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.50.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.51.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.52.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.53.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.54.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.55.0/24South KoreaAS9318SK Broadband Co Ltd4256100.00%
121.124.56.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.57.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.58.0/24South KoreaAS9318SK Broadband Co Ltd3256100.00%
121.124.59.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.60.0/24South KoreaAS9318SK Broadband Co Ltd0256100.00%
121.124.61.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.62.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.63.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.64.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.65.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.66.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.67.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.68.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.69.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.70.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.71.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.72.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.73.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.74.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.75.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.76.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.77.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.78.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.79.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.80.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.81.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.82.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.83.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.84.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.85.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.86.0/24South KoreaAS9318SK Broadband Co Ltd501.95%
121.124.87.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.88.0/24South KoreaAS9318SK Broadband Co Ltd803.13%
121.124.89.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.90.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.91.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.92.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.93.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.94.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.95.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.96.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.97.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.98.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.99.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.100.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.101.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.102.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.103.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.104.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.105.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.106.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.107.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.108.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.109.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.110.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.111.0/24South KoreaAS10188Songdo Chadwick international School000.00%
121.124.112.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.113.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.114.0/24South KoreaAS9318SK Broadband Co Ltd3256100.00%
121.124.115.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.116.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.117.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.118.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.119.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.120.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.121.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.122.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.123.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.124.0/24South KoreaAS9318SK Broadband Co Ltd0256100.00%
121.124.125.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.126.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.127.0/24South KoreaAS9318SK Broadband Co Ltd0256100.00%
121.124.128.0/24South KoreaAS9318SK Broadband Co Ltd5256100.00%
121.124.129.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.130.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.131.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.132.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.133.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.134.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.135.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.136.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.137.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.138.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.139.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.140.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.141.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.142.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.143.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.144.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.145.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.146.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.147.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.148.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.149.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.150.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.151.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.152.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.153.0/24South KoreaAS9318SK Broadband Co Ltd2256100.00%
121.124.154.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.155.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.156.0/24South KoreaAS9318SK Broadband Co Ltd0256100.00%
121.124.157.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.158.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.159.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.160.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.161.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.162.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.163.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.164.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.165.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.166.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.167.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.168.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.169.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.170.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.171.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.172.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.173.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.174.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.175.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.176.0/24South KoreaAS9318SK Broadband Co Ltd5256100.00%
121.124.177.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.178.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.179.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.180.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.181.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.182.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.183.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.184.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.185.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.186.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.187.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.188.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.189.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.190.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.191.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.192.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.193.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.194.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.195.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.196.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.197.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.198.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.199.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.200.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.201.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.202.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.203.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.204.0/24South KoreaAS9318SK Broadband Co Ltd1256100.00%
121.124.205.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.206.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.207.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.208.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.209.0/24South KoreaAS9318SK Broadband Co Ltd2256100.00%
121.124.210.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.211.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.212.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.213.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.214.0/24South KoreaAS9318SK Broadband Co Ltd401.56%
121.124.215.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.216.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.217.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.218.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.219.0/24South KoreaAS9318SK Broadband Co Ltd301.17%
121.124.220.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.221.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.222.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.223.0/24South KoreaAS9318SK Broadband Co Ltd2256100.00%
121.124.224.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.225.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.226.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.227.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.228.0/24South KoreaAS9318SK Broadband Co Ltd100.39%
121.124.229.0/24South KoreaAS9318SK Broadband Co Ltd200.78%
121.124.230.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.231.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.232.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.233.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.234.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.235.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.236.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.237.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.238.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.239.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.240.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.241.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.242.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.243.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.244.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.245.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.246.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.247.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.248.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.249.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.250.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.251.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.252.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.253.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.254.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
121.124.255.0/24South KoreaAS9318SK Broadband Co Ltd000.00%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.