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InternetData
65,536 routable4 ASes
/16 subnet

218.21.0.0/16

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
4
announcing ASes
12
announced prefixes
218
anonymous addresses

Where it is

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

  1. China65,536 · 100.00%

Who announces it

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

  1. AS4837CHINA UNICOM China169 Backbone30,976 · 47.27%
  2. AS4134CHINANET-BACKBONE28,672 · 43.75%
  3. AS134419Beihai4,096 · 6.25%
  4. AS139007UNICOM InnerMongolia province network1,792 · 2.73%

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.

12 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
218.21.0.0/19AS4134CHINANET-BACKBONEChinaValid172026-10-02
218.21.32.0/20AS4134CHINANET-BACKBONEChinaValid172026-10-02
218.21.48.0/20AS4134CHINANET-BACKBONEChinaValid172026-10-02
218.21.64.0/18AS4134CHINANET-BACKBONEChinaValid172026-10-02
218.21.104.0/21AS134419BeihaiChinaValid172026-10-02
218.21.112.0/21AS134419BeihaiChinaValid172026-10-02
218.21.128.0/17AS4837CHINA UNICOM China169 BackboneChinaValid172026-10-02
218.21.224.0/20AS4837CHINA UNICOM China169 BackboneChinaValid172026-10-02
218.21.240.0/20AS4837CHINA UNICOM China169 BackboneChinaValid172026-10-02
218.21.248.0/22AS139007UNICOM InnerMongolia province networkChinaValid172026-10-02
218.21.252.0/23AS139007UNICOM InnerMongolia province networkChinaValid172026-10-02
218.21.254.0/24AS139007UNICOM InnerMongolia province networkChinaValid172026-10-02

Every /24 inside it

218.21.0.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.1.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.2.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.3.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.4.0/24ChinaAS4134CHINANET-BACKBONE401.56%
218.21.5.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.6.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.7.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.8.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.9.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.10.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.11.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.12.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.13.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.14.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.15.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.16.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.17.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.18.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.19.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.20.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.21.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.22.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.23.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.24.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.25.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.26.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.27.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.28.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.29.0/24ChinaAS4134CHINANET-BACKBONE301.17%
218.21.30.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.31.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.32.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.33.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.34.0/24ChinaAS4134CHINANET-BACKBONE401.56%
218.21.35.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.36.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.37.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.38.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.39.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.40.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.41.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.42.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.43.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.44.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.45.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.46.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.47.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.48.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.49.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.50.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.51.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.52.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.53.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.54.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.55.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.56.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.57.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.58.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.59.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.60.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.61.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.62.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.63.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.64.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.65.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.66.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.67.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.68.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.69.0/24ChinaAS4134CHINANET-BACKBONE602.34%
218.21.70.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.71.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.72.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.73.0/24ChinaAS4134CHINANET-BACKBONE401.56%
218.21.74.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.75.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.76.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.77.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.78.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.79.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.80.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.81.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.82.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.83.0/24ChinaAS4134CHINANET-BACKBONE301.17%
218.21.84.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.85.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.86.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.87.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.88.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.89.0/24ChinaAS4134CHINANET-BACKBONE301.17%
218.21.90.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.91.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.92.0/24ChinaAS4134CHINANET-BACKBONE803.13%
218.21.93.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.94.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.95.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.96.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.97.0/24ChinaAS4134CHINANET-BACKBONE401.56%
218.21.98.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.99.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.100.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.101.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.102.0/24ChinaAS4134CHINANET-BACKBONE100.39%
218.21.103.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.104.0/24ChinaAS134419Beihai000.00%
218.21.105.0/24ChinaAS134419Beihai000.00%
218.21.106.0/24ChinaAS134419Beihai000.00%
218.21.107.0/24ChinaAS134419Beihai000.00%
218.21.108.0/24ChinaAS134419Beihai000.00%
218.21.109.0/24ChinaAS134419Beihai000.00%
218.21.110.0/24ChinaAS134419Beihai000.00%
218.21.111.0/24ChinaAS134419Beihai000.00%
218.21.112.0/24ChinaAS134419Beihai200.78%
218.21.113.0/24ChinaAS134419Beihai100.39%
218.21.114.0/24ChinaAS134419Beihai301.17%
218.21.115.0/24ChinaAS134419Beihai200.78%
218.21.116.0/24ChinaAS134419Beihai100.39%
218.21.117.0/24ChinaAS134419Beihai000.00%
218.21.118.0/24ChinaAS134419Beihai100.39%
218.21.119.0/24ChinaAS134419Beihai000.00%
218.21.120.0/24ChinaAS4134CHINANET-BACKBONE200.78%
218.21.121.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.122.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.123.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.124.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.125.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.126.0/24ChinaAS4134CHINANET-BACKBONE000.00%
218.21.127.0/24ChinaAS4134CHINANET-BACKBONE501.95%
218.21.128.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.129.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.130.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.131.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.132.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.133.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.134.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.135.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.136.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.137.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.138.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.139.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.140.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.141.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.142.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.143.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.144.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.145.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.146.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.147.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.148.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.149.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.150.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.151.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.152.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.153.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.154.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.155.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.156.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.157.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.158.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.159.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.160.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.161.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.162.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.163.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.164.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.165.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.166.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.167.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.168.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.169.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.170.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.171.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.172.0/24ChinaAS4837CHINA UNICOM China169 Backbone301.17%
218.21.173.0/24ChinaAS4837CHINA UNICOM China169 Backbone301.17%
218.21.174.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.175.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.176.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.177.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.178.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.179.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.180.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.181.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.182.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.183.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.184.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.185.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.186.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.187.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.188.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.189.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.190.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.191.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.192.0/24ChinaAS4837CHINA UNICOM China169 Backbone1104.30%
218.21.193.0/24ChinaAS4837CHINA UNICOM China169 Backbone1807.03%
218.21.194.0/24ChinaAS4837CHINA UNICOM China169 Backbone1606.25%
218.21.195.0/24ChinaAS4837CHINA UNICOM China169 Backbone1907.42%
218.21.196.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.197.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.198.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.199.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.200.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.201.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.202.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.203.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.204.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.205.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.206.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.207.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.208.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.209.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.210.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.211.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.212.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.213.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.214.0/24ChinaAS4837CHINA UNICOM China169 Backbone702.73%
218.21.215.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.216.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.217.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.218.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.219.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.220.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.221.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.222.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.223.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.224.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.225.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.226.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.227.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.228.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.229.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.230.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.231.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.232.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.233.0/24ChinaAS4837CHINA UNICOM China169 Backbone401.56%
218.21.234.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.235.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.236.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.237.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.238.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.239.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.240.0/24ChinaAS4837CHINA UNICOM China169 Backbone200.78%
218.21.241.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.242.0/24ChinaAS4837CHINA UNICOM China169 Backbone100.39%
218.21.243.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.244.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.245.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.246.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
218.21.247.0/24ChinaAS4837CHINA UNICOM China169 Backbone401.56%
218.21.248.0/24ChinaAS139007UNICOM InnerMongolia province network3256100.00%
218.21.249.0/24ChinaAS139007UNICOM InnerMongolia province network2256100.00%
218.21.250.0/24ChinaAS139007UNICOM InnerMongolia province network0256100.00%
218.21.251.0/24ChinaAS139007UNICOM InnerMongolia province network2256100.00%
218.21.252.0/24ChinaAS139007UNICOM InnerMongolia province network0256100.00%
218.21.253.0/24ChinaAS139007UNICOM InnerMongolia province network1256100.00%
218.21.254.0/24ChinaAS139007UNICOM InnerMongolia province network4256100.00%
218.21.255.0/24ChinaAS4837CHINA UNICOM China169 Backbone000.00%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with 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 rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.