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InternetData
65,536 routable1 AS
/16 subnet

129.21.0.0/16

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
1
announcing AS
1
announced prefix
7,739
anonymous addresses

Where it is

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

  1. United States65,536 · 100.00%

Who announces it

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

  1. AS4385Rochester Institute of Technology65,536 · 100.00%

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.

1 prefix
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
129.21.0.0/16AS4385Rochester Institute of TechnologyUnited StatesValid202026-10-02

Every /24 inside it

129.21.0.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.1.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.2.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.3.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.4.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.5.0/24United StatesAS4385Rochester Institute of Technology602.34%
129.21.6.0/24United StatesAS4385Rochester Institute of Technology1505.86%
129.21.7.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.8.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.9.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.10.0/24United StatesAS4385Rochester Institute of Technology200.78%
129.21.11.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.12.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.13.0/24United StatesAS4385Rochester Institute of Technology602.34%
129.21.14.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.15.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.16.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.17.0/24United StatesAS4385Rochester Institute of Technology33012.89%
129.21.18.0/24United StatesAS4385Rochester Institute of Technology47018.36%
129.21.19.0/24United StatesAS4385Rochester Institute of Technology1505.86%
129.21.20.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.21.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.22.0/24United StatesAS4385Rochester Institute of Technology501.95%
129.21.23.0/24United StatesAS4385Rochester Institute of Technology103040.23%
129.21.24.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.25.0/24United StatesAS4385Rochester Institute of Technology50019.53%
129.21.26.0/24United StatesAS4385Rochester Institute of Technology65025.39%
129.21.27.0/24United StatesAS4385Rochester Institute of Technology130050.78%
129.21.28.0/24United StatesAS4385Rochester Institute of Technology94036.72%
129.21.29.0/24United StatesAS4385Rochester Institute of Technology78030.47%
129.21.30.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.31.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.32.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.33.0/24United StatesAS4385Rochester Institute of Technology200.78%
129.21.34.0/24United StatesAS4385Rochester Institute of Technology1204.69%
129.21.35.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.36.0/24United StatesAS4385Rochester Institute of Technology803.13%
129.21.37.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.38.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.39.0/24United StatesAS4385Rochester Institute of Technology1606.25%
129.21.40.0/24United StatesAS4385Rochester Institute of Technology50019.53%
129.21.41.0/24United StatesAS4385Rochester Institute of Technology33012.89%
129.21.42.0/24United StatesAS4385Rochester Institute of Technology54021.09%
129.21.43.0/24United StatesAS4385Rochester Institute of Technology43016.80%
129.21.44.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.45.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.46.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.47.0/24United StatesAS4385Rochester Institute of Technology92035.94%
129.21.48.0/24United StatesAS4385Rochester Institute of Technology39015.23%
129.21.49.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.50.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.51.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.52.0/24United StatesAS4385Rochester Institute of Technology2308.98%
129.21.53.0/24United StatesAS4385Rochester Institute of Technology29011.33%
129.21.54.0/24United StatesAS4385Rochester Institute of Technology174067.97%
129.21.55.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.56.0/24United StatesAS4385Rochester Institute of Technology1807.03%
129.21.57.0/24United StatesAS4385Rochester Institute of Technology803.13%
129.21.58.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.59.0/24United StatesAS4385Rochester Institute of Technology501.95%
129.21.60.0/24United StatesAS4385Rochester Institute of Technology38014.84%
129.21.61.0/24United StatesAS4385Rochester Institute of Technology40015.63%
129.21.62.0/24United StatesAS4385Rochester Institute of Technology29011.33%
129.21.63.0/24United StatesAS4385Rochester Institute of Technology28010.94%
129.21.64.0/24United StatesAS4385Rochester Institute of Technology30011.72%
129.21.65.0/24United StatesAS4385Rochester Institute of Technology28010.94%
129.21.66.0/24United StatesAS4385Rochester Institute of Technology33012.89%
129.21.67.0/24United StatesAS4385Rochester Institute of Technology27010.55%
129.21.68.0/24United StatesAS4385Rochester Institute of Technology39015.23%
129.21.69.0/24United StatesAS4385Rochester Institute of Technology30011.72%
129.21.70.0/24United StatesAS4385Rochester Institute of Technology43016.80%
129.21.71.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.72.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.73.0/24United StatesAS4385Rochester Institute of Technology39015.23%
129.21.74.0/24United StatesAS4385Rochester Institute of Technology47018.36%
129.21.75.0/24United StatesAS4385Rochester Institute of Technology29011.33%
129.21.76.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.77.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.78.0/24United StatesAS4385Rochester Institute of Technology1807.03%
129.21.79.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.80.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.81.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.82.0/24United StatesAS4385Rochester Institute of Technology40015.63%
129.21.83.0/24United StatesAS4385Rochester Institute of Technology29011.33%
129.21.84.0/24United StatesAS4385Rochester Institute of Technology43016.80%
129.21.85.0/24United StatesAS4385Rochester Institute of Technology47018.36%
129.21.86.0/24United StatesAS4385Rochester Institute of Technology46017.97%
129.21.87.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.88.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.89.0/24United StatesAS4385Rochester Institute of Technology35013.67%
129.21.90.0/24United StatesAS4385Rochester Institute of Technology38014.84%
129.21.91.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.92.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.93.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.94.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.95.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.96.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.97.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.98.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.99.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.100.0/24United StatesAS4385Rochester Institute of Technology54021.09%
129.21.101.0/24United StatesAS4385Rochester Institute of Technology53020.70%
129.21.102.0/24United StatesAS4385Rochester Institute of Technology55021.48%
129.21.103.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.104.0/24United StatesAS4385Rochester Institute of Technology40015.63%
129.21.105.0/24United StatesAS4385Rochester Institute of Technology50019.53%
129.21.106.0/24United StatesAS4385Rochester Institute of Technology50019.53%
129.21.107.0/24United StatesAS4385Rochester Institute of Technology45017.58%
129.21.108.0/24United StatesAS4385Rochester Institute of Technology46017.97%
129.21.109.0/24United StatesAS4385Rochester Institute of Technology50019.53%
129.21.110.0/24United StatesAS4385Rochester Institute of Technology52020.31%
129.21.111.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.112.0/24United StatesAS4385Rochester Institute of Technology35013.67%
129.21.113.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.114.0/24United StatesAS4385Rochester Institute of Technology28010.94%
129.21.115.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.116.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.117.0/24United StatesAS4385Rochester Institute of Technology43016.80%
129.21.118.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.119.0/24United StatesAS4385Rochester Institute of Technology26010.16%
129.21.120.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.121.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.122.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.123.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.124.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.125.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.126.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.127.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.128.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.129.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.130.0/24United StatesAS4385Rochester Institute of Technology401.56%
129.21.131.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.132.0/24United StatesAS4385Rochester Institute of Technology36014.06%
129.21.133.0/24United StatesAS4385Rochester Institute of Technology51019.92%
129.21.134.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.135.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.136.0/24United StatesAS4385Rochester Institute of Technology35013.67%
129.21.137.0/24United StatesAS4385Rochester Institute of Technology30011.72%
129.21.138.0/24United StatesAS4385Rochester Institute of Technology28010.94%
129.21.139.0/24United StatesAS4385Rochester Institute of Technology30011.72%
129.21.140.0/24United StatesAS4385Rochester Institute of Technology702.73%
129.21.141.0/24United StatesAS4385Rochester Institute of Technology200.78%
129.21.142.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.143.0/24United StatesAS4385Rochester Institute of Technology501.95%
129.21.144.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.145.0/24United StatesAS4385Rochester Institute of Technology47018.36%
129.21.146.0/24United StatesAS4385Rochester Institute of Technology34013.28%
129.21.147.0/24United StatesAS4385Rochester Institute of Technology45017.58%
129.21.148.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.149.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.150.0/24United StatesAS4385Rochester Institute of Technology200.78%
129.21.151.0/24United StatesAS4385Rochester Institute of Technology160062.50%
129.21.152.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.153.0/24United StatesAS4385Rochester Institute of Technology2208.59%
129.21.154.0/24United StatesAS4385Rochester Institute of Technology81031.64%
129.21.155.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.156.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.157.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.158.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.159.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.160.0/24United StatesAS4385Rochester Institute of Technology128050.00%
129.21.161.0/24United StatesAS4385Rochester Institute of Technology69026.95%
129.21.162.0/24United StatesAS4385Rochester Institute of Technology1706.64%
129.21.163.0/24United StatesAS4385Rochester Institute of Technology27010.55%
129.21.164.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.165.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.166.0/24United StatesAS4385Rochester Institute of Technology85033.20%
129.21.167.0/24United StatesAS4385Rochester Institute of Technology99038.67%
129.21.168.0/24United StatesAS4385Rochester Institute of Technology75029.30%
129.21.169.0/24United StatesAS4385Rochester Institute of Technology87033.98%
129.21.170.0/24United StatesAS4385Rochester Institute of Technology26010.16%
129.21.171.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.172.0/24United StatesAS4385Rochester Institute of Technology37014.45%
129.21.173.0/24United StatesAS4385Rochester Institute of Technology68026.56%
129.21.174.0/24United StatesAS4385Rochester Institute of Technology501.95%
129.21.175.0/24United StatesAS4385Rochester Institute of Technology602.34%
129.21.176.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.177.0/24United StatesAS4385Rochester Institute of Technology82032.03%
129.21.178.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.179.0/24United StatesAS4385Rochester Institute of Technology134052.34%
129.21.180.0/24United StatesAS4385Rochester Institute of Technology40015.63%
129.21.181.0/24United StatesAS4385Rochester Institute of Technology56021.88%
129.21.182.0/24United StatesAS4385Rochester Institute of Technology200.78%
129.21.183.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.184.0/24United StatesAS4385Rochester Institute of Technology1505.86%
129.21.185.0/24United StatesAS4385Rochester Institute of Technology42016.41%
129.21.186.0/24United StatesAS4385Rochester Institute of Technology95037.11%
129.21.187.0/24United StatesAS4385Rochester Institute of Technology102039.84%
129.21.188.0/24United StatesAS4385Rochester Institute of Technology89034.77%
129.21.189.0/24United StatesAS4385Rochester Institute of Technology46017.97%
129.21.190.0/24United StatesAS4385Rochester Institute of Technology46017.97%
129.21.191.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.192.0/24United StatesAS4385Rochester Institute of Technology52020.31%
129.21.193.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.194.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.195.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.196.0/24United StatesAS4385Rochester Institute of Technology52020.31%
129.21.197.0/24United StatesAS4385Rochester Institute of Technology161062.89%
129.21.198.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.199.0/24United StatesAS4385Rochester Institute of Technology82032.03%
129.21.200.0/24United StatesAS4385Rochester Institute of Technology65025.39%
129.21.201.0/24United StatesAS4385Rochester Institute of Technology2308.98%
129.21.202.0/24United StatesAS4385Rochester Institute of Technology112043.75%
129.21.203.0/24United StatesAS4385Rochester Institute of Technology1003.91%
129.21.204.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.205.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.206.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.207.0/24United StatesAS4385Rochester Institute of Technology28010.94%
129.21.208.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.209.0/24United StatesAS4385Rochester Institute of Technology1907.42%
129.21.210.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.211.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.212.0/24United StatesAS4385Rochester Institute of Technology29011.33%
129.21.213.0/24United StatesAS4385Rochester Institute of Technology86033.59%
129.21.214.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.215.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.216.0/24United StatesAS4385Rochester Institute of Technology1807.03%
129.21.217.0/24United StatesAS4385Rochester Institute of Technology1305.08%
129.21.218.0/24United StatesAS4385Rochester Institute of Technology501.95%
129.21.219.0/24United StatesAS4385Rochester Institute of Technology121047.27%
129.21.220.0/24United StatesAS4385Rochester Institute of Technology1405.47%
129.21.221.0/24United StatesAS4385Rochester Institute of Technology87033.98%
129.21.222.0/24United StatesAS4385Rochester Institute of Technology52020.31%
129.21.223.0/24United StatesAS4385Rochester Institute of Technology32012.50%
129.21.224.0/24United StatesAS4385Rochester Institute of Technology36014.06%
129.21.225.0/24United StatesAS4385Rochester Institute of Technology44017.19%
129.21.226.0/24United StatesAS4385Rochester Institute of Technology73028.52%
129.21.227.0/24United StatesAS4385Rochester Institute of Technology32012.50%
129.21.228.0/24United StatesAS4385Rochester Institute of Technology31012.11%
129.21.229.0/24United StatesAS4385Rochester Institute of Technology42016.41%
129.21.230.0/24United StatesAS4385Rochester Institute of Technology42016.41%
129.21.231.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.232.0/24United StatesAS4385Rochester Institute of Technology1104.30%
129.21.233.0/24United StatesAS4385Rochester Institute of Technology30011.72%
129.21.234.0/24United StatesAS4385Rochester Institute of Technology702.73%
129.21.235.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.236.0/24United StatesAS4385Rochester Institute of Technology41016.02%
129.21.237.0/24United StatesAS4385Rochester Institute of Technology60023.44%
129.21.238.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.239.0/24United StatesAS4385Rochester Institute of Technology1907.42%
129.21.240.0/24United StatesAS4385Rochester Institute of Technology112256100.00%
129.21.241.0/24United StatesAS4385Rochester Institute of Technology60023.44%
129.21.242.0/24United StatesAS4385Rochester Institute of Technology2007.81%
129.21.243.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.244.0/24United StatesAS4385Rochester Institute of Technology1907.42%
129.21.245.0/24United StatesAS4385Rochester Institute of Technology2409.38%
129.21.246.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.247.0/24United StatesAS4385Rochester Institute of Technology116045.31%
129.21.248.0/24United StatesAS4385Rochester Institute of Technology92035.94%
129.21.249.0/24United StatesAS4385Rochester Institute of Technology000.00%
129.21.250.0/24United StatesAS4385Rochester Institute of Technology43016.80%
129.21.251.0/24United StatesAS4385Rochester Institute of Technology46017.97%
129.21.252.0/24United StatesAS4385Rochester Institute of Technology803.13%
129.21.253.0/24United StatesAS4385Rochester Institute of Technology301.17%
129.21.254.0/24United StatesAS4385Rochester Institute of Technology100.39%
129.21.255.0/24United StatesAS4385Rochester Institute of Technology1606.25%
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.