Skip to content
InternetData
Log inSign up
HomeAll IP Ranges121.0.0.0/8121.101.0.0/16
65,536 routable9 ASes
/16 subnet

121.101.0.0/16

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

121.100.0.0/16121.102.0.0/16
65,536
routable addresses
65,536
geolocated
8
countries
9
announcing ASes
33
announced prefixes
3,589
anonymous addresses

Where it is

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

  1. China20,480 · 31.25%
  2. Japan16,384 · 25.00%
  3. South Korea12,288 · 18.75%
  4. Australia4,096 · 6.25%
  5. Indonesia4,096 · 6.25%
  6. United States4,096 · 6.25%
  7. Hong Kong2,048 · 3.13%
  8. Mongolia2,048 · 3.13%

Who announces it

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

  1. AS2527Sony Network Communications Inc.16,384 · 25.00%
  2. AS10036DLIVE8,192 · 12.50%
  3. AS45370BROADBANDIDC4,096 · 6.25%
  4. AS38869Skynetworks LLC2,048 · 3.13%
  5. AS131706PT SELARAS CITRA TERABIT2,048 · 3.13%
  6. AS133419Source Technology Pty Ltd2,048 · 3.13%
  7. AS38785PT. BORNEO BROADBAND TECHNOLOGY1,792 · 2.73%
  8. AS4515PCCW IMS Ltd (PCCW Business Internet Access)1,024 · 1.56%
  9. AS9304HGC Global Communications Limited256 · 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.

33 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
121.101.64.0/18AS2527Sony Network Communications Inc.JapanValid172026-10-02
121.101.128.0/21AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.128.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.129.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.130.0/23AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.130.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.131.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.132.0/23AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.132.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.133.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.134.0/23AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.134.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.135.0/24AS131706PT SELARAS CITRA TERABITIndonesiaValid182026-10-02
121.101.160.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.161.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.162.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.163.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.164.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.165.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.166.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.167.0/24AS133419Source Technology Pty LtdAustraliaValid172026-10-02
121.101.168.0/22AS4515PCCW IMS Ltd (PCCW Business Internet Access)Hong KongNot found172026-10-02
121.101.172.0/24AS9304HGC Global Communications LimitedHong KongNot found172026-10-02
121.101.176.0/21AS38869Skynetworks LLCMongoliaValid172026-10-02
121.101.184.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.185.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.186.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.187.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid12026-10-02
121.101.188.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.190.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.191.0/24AS38785PT. BORNEO BROADBAND TECHNOLOGYIndonesiaValid172026-10-02
121.101.192.0/20AS45370BROADBANDIDCSouth KoreaNot found182026-10-02
121.101.224.0/19AS10036DLIVESouth KoreaNot found172026-10-02

Every /24 inside it

121.101.0.0/24China—000.00%
121.101.1.0/24China—000.00%
121.101.2.0/24China—000.00%
121.101.3.0/24China—000.00%
121.101.4.0/24China—000.00%
121.101.5.0/24China—000.00%
121.101.6.0/24China—000.00%
121.101.7.0/24China—000.00%
121.101.8.0/24China—000.00%
121.101.9.0/24China—000.00%
121.101.10.0/24China—000.00%
121.101.11.0/24China—000.00%
121.101.12.0/24China—000.00%
121.101.13.0/24China—000.00%
121.101.14.0/24China—000.00%
121.101.15.0/24China—000.00%
121.101.16.0/24China—000.00%
121.101.17.0/24China—000.00%
121.101.18.0/24China—000.00%
121.101.19.0/24China—000.00%
121.101.20.0/24China—000.00%
121.101.21.0/24China—000.00%
121.101.22.0/24China—000.00%
121.101.23.0/24China—000.00%
121.101.24.0/24China—000.00%
121.101.25.0/24China—000.00%
121.101.26.0/24China—000.00%
121.101.27.0/24China—000.00%
121.101.28.0/24China—000.00%
121.101.29.0/24China—000.00%
121.101.30.0/24China—000.00%
121.101.31.0/24China—000.00%
121.101.32.0/24China—000.00%
121.101.33.0/24China—000.00%
121.101.34.0/24China—000.00%
121.101.35.0/24China—000.00%
121.101.36.0/24China—000.00%
121.101.37.0/24China—000.00%
121.101.38.0/24China—000.00%
121.101.39.0/24China—000.00%
121.101.40.0/24China—000.00%
121.101.41.0/24China—000.00%
121.101.42.0/24China—000.00%
121.101.43.0/24China—000.00%
121.101.44.0/24China—000.00%
121.101.45.0/24China—000.00%
121.101.46.0/24China—000.00%
121.101.47.0/24China—000.00%
121.101.48.0/24China—000.00%
121.101.49.0/24China—000.00%
121.101.50.0/24China—000.00%
121.101.51.0/24China—000.00%
121.101.52.0/24China—000.00%
121.101.53.0/24China—000.00%
121.101.54.0/24China—000.00%
121.101.55.0/24China—000.00%
121.101.56.0/24China—000.00%
121.101.57.0/24China—000.00%
121.101.58.0/24China—000.00%
121.101.59.0/24China—000.00%
121.101.60.0/24China—000.00%
121.101.61.0/24China—000.00%
121.101.62.0/24China—000.00%
121.101.63.0/24China—000.00%
121.101.64.0/24JapanAS2527Sony Network Communications Inc.39015.23%
121.101.65.0/24JapanAS2527Sony Network Communications Inc.34013.28%
121.101.66.0/24JapanAS2527Sony Network Communications Inc.47018.36%
121.101.67.0/24JapanAS2527Sony Network Communications Inc.29011.33%
121.101.68.0/24JapanAS2527Sony Network Communications Inc.37014.45%
121.101.69.0/24JapanAS2527Sony Network Communications Inc.37014.45%
121.101.70.0/24JapanAS2527Sony Network Communications Inc.38014.84%
121.101.71.0/24JapanAS2527Sony Network Communications Inc.47018.36%
121.101.72.0/24JapanAS2527Sony Network Communications Inc.29011.33%
121.101.73.0/24JapanAS2527Sony Network Communications Inc.37014.45%
121.101.74.0/24JapanAS2527Sony Network Communications Inc.39015.23%
121.101.75.0/24JapanAS2527Sony Network Communications Inc.36014.06%
121.101.76.0/24JapanAS2527Sony Network Communications Inc.41016.02%
121.101.77.0/24JapanAS2527Sony Network Communications Inc.44017.19%
121.101.78.0/24JapanAS2527Sony Network Communications Inc.37014.45%
121.101.79.0/24JapanAS2527Sony Network Communications Inc.36014.06%
121.101.80.0/24JapanAS2527Sony Network Communications Inc.42016.41%
121.101.81.0/24JapanAS2527Sony Network Communications Inc.51019.92%
121.101.82.0/24JapanAS2527Sony Network Communications Inc.54021.09%
121.101.83.0/24JapanAS2527Sony Network Communications Inc.71027.73%
121.101.84.0/24JapanAS2527Sony Network Communications Inc.45017.58%
121.101.85.0/24JapanAS2527Sony Network Communications Inc.46017.97%
121.101.86.0/24JapanAS2527Sony Network Communications Inc.2308.98%
121.101.87.0/24JapanAS2527Sony Network Communications Inc.112043.75%
121.101.88.0/24JapanAS2527Sony Network Communications Inc.126049.22%
121.101.89.0/24JapanAS2527Sony Network Communications Inc.90035.16%
121.101.90.0/24JapanAS2527Sony Network Communications Inc.104040.63%
121.101.91.0/24JapanAS2527Sony Network Communications Inc.100039.06%
121.101.92.0/24JapanAS2527Sony Network Communications Inc.44017.19%
121.101.93.0/24JapanAS2527Sony Network Communications Inc.26010.16%
121.101.94.0/24JapanAS2527Sony Network Communications Inc.56021.88%
121.101.95.0/24JapanAS2527Sony Network Communications Inc.78030.47%
121.101.96.0/24JapanAS2527Sony Network Communications Inc.1505.86%
121.101.97.0/24JapanAS2527Sony Network Communications Inc.2007.81%
121.101.98.0/24JapanAS2527Sony Network Communications Inc.1003.91%
121.101.99.0/24JapanAS2527Sony Network Communications Inc.1606.25%
121.101.100.0/24JapanAS2527Sony Network Communications Inc.1204.69%
121.101.101.0/24JapanAS2527Sony Network Communications Inc.1606.25%
121.101.102.0/24JapanAS2527Sony Network Communications Inc.2108.20%
121.101.103.0/24JapanAS2527Sony Network Communications Inc.1305.08%
121.101.104.0/24JapanAS2527Sony Network Communications Inc.2208.59%
121.101.105.0/24JapanAS2527Sony Network Communications Inc.1305.08%
121.101.106.0/24JapanAS2527Sony Network Communications Inc.1907.42%
121.101.107.0/24JapanAS2527Sony Network Communications Inc.71027.73%
121.101.108.0/24JapanAS2527Sony Network Communications Inc.81031.64%
121.101.109.0/24JapanAS2527Sony Network Communications Inc.66025.78%
121.101.110.0/24JapanAS2527Sony Network Communications Inc.85033.20%
121.101.111.0/24JapanAS2527Sony Network Communications Inc.62024.22%
121.101.112.0/24JapanAS2527Sony Network Communications Inc.61023.83%
121.101.113.0/24JapanAS2527Sony Network Communications Inc.71027.73%
121.101.114.0/24JapanAS2527Sony Network Communications Inc.69026.95%
121.101.115.0/24JapanAS2527Sony Network Communications Inc.59023.05%
121.101.116.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.117.0/24JapanAS2527Sony Network Communications Inc.301.17%
121.101.118.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.119.0/24JapanAS2527Sony Network Communications Inc.200.78%
121.101.120.0/24JapanAS2527Sony Network Communications Inc.200.78%
121.101.121.0/24JapanAS2527Sony Network Communications Inc.200.78%
121.101.122.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.123.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.124.0/24JapanAS2527Sony Network Communications Inc.125048.83%
121.101.125.0/24JapanAS2527Sony Network Communications Inc.126049.22%
121.101.126.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.127.0/24JapanAS2527Sony Network Communications Inc.000.00%
121.101.128.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT1166.64%
121.101.129.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT122047.66%
121.101.130.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT105041.02%
121.101.131.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT123048.05%
121.101.132.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT113044.14%
121.101.133.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT117045.70%
121.101.134.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT118046.09%
121.101.135.0/24IndonesiaAS131706PT SELARAS CITRA TERABIT9256100.00%
121.101.136.0/24Australia—000.00%
121.101.137.0/24Australia—000.00%
121.101.138.0/24Australia—000.00%
121.101.139.0/24Australia—000.00%
121.101.140.0/24Australia—000.00%
121.101.141.0/24Australia—000.00%
121.101.142.0/24Australia—000.00%
121.101.143.0/24Australia—000.00%
121.101.144.0/24United States—000.00%
121.101.145.0/24United States—000.00%
121.101.146.0/24United States—000.00%
121.101.147.0/24United States—000.00%
121.101.148.0/24United States—000.00%
121.101.149.0/24United States—000.00%
121.101.150.0/24United States—000.00%
121.101.151.0/24United States—000.00%
121.101.152.0/24United States—000.00%
121.101.153.0/24United States—000.00%
121.101.154.0/24United States—000.00%
121.101.155.0/24United States—000.00%
121.101.156.0/24United States—000.00%
121.101.157.0/24United States—000.00%
121.101.158.0/24United States—000.00%
121.101.159.0/24United States—000.00%
121.101.160.0/24AustraliaAS133419Source Technology Pty Ltd000.00%
121.101.161.0/24AustraliaAS133419Source Technology Pty Ltd000.00%
121.101.162.0/24AustraliaAS133419Source Technology Pty Ltd100.39%
121.101.163.0/24AustraliaAS133419Source Technology Pty Ltd60023.44%
121.101.164.0/24AustraliaAS133419Source Technology Pty Ltd200.78%
121.101.165.0/24AustraliaAS133419Source Technology Pty Ltd000.00%
121.101.166.0/24AustraliaAS133419Source Technology Pty Ltd000.00%
121.101.167.0/24AustraliaAS133419Source Technology Pty Ltd000.00%
121.101.168.0/24Hong KongAS4515PCCW IMS Ltd (PCCW Business Internet Access)000.00%
121.101.169.0/24Hong KongAS4515PCCW IMS Ltd (PCCW Business Internet Access)000.00%
121.101.170.0/24Hong KongAS4515PCCW IMS Ltd (PCCW Business Internet Access)000.00%
121.101.171.0/24Hong KongAS4515PCCW IMS Ltd (PCCW Business Internet Access)000.00%
121.101.172.0/24Hong KongAS9304HGC Global Communications Limited000.00%
121.101.173.0/24Hong Kong—000.00%
121.101.174.0/24Hong Kong—000.00%
121.101.175.0/24Hong Kong—000.00%
121.101.176.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.177.0/24MongoliaAS38869Skynetworks LLC100.39%
121.101.178.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.179.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.180.0/24MongoliaAS38869Skynetworks LLC200.78%
121.101.181.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.182.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.183.0/24MongoliaAS38869Skynetworks LLC000.00%
121.101.184.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY501.95%
121.101.185.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY702.73%
121.101.186.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY1606.25%
121.101.187.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY1405.47%
121.101.188.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY1405.47%
121.101.189.0/24Indonesia—000.00%
121.101.190.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY301.17%
121.101.191.0/24IndonesiaAS38785PT. BORNEO BROADBAND TECHNOLOGY100.39%
121.101.192.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.193.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.194.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.195.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.196.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.197.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.198.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.199.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.200.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.201.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.202.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.203.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.204.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.205.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.206.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.207.0/24South KoreaAS45370BROADBANDIDC000.00%
121.101.208.0/24China—000.00%
121.101.209.0/24China—000.00%
121.101.210.0/24China—000.00%
121.101.211.0/24China—000.00%
121.101.212.0/24China—000.00%
121.101.213.0/24China—000.00%
121.101.214.0/24China—000.00%
121.101.215.0/24China—000.00%
121.101.216.0/24China—000.00%
121.101.217.0/24China—000.00%
121.101.218.0/24China—000.00%
121.101.219.0/24China—000.00%
121.101.220.0/24China—000.00%
121.101.221.0/24China—000.00%
121.101.222.0/24China—000.00%
121.101.223.0/24China—000.00%
121.101.224.0/24South KoreaAS10036DLIVE000.00%
121.101.225.0/24South KoreaAS10036DLIVE100.39%
121.101.226.0/24South KoreaAS10036DLIVE000.00%
121.101.227.0/24South KoreaAS10036DLIVE000.00%
121.101.228.0/24South KoreaAS10036DLIVE000.00%
121.101.229.0/24South KoreaAS10036DLIVE100.39%
121.101.230.0/24South KoreaAS10036DLIVE100.39%
121.101.231.0/24South KoreaAS10036DLIVE100.39%
121.101.232.0/24South KoreaAS10036DLIVE000.00%
121.101.233.0/24South KoreaAS10036DLIVE000.00%
121.101.234.0/24South KoreaAS10036DLIVE000.00%
121.101.235.0/24South KoreaAS10036DLIVE000.00%
121.101.236.0/24South KoreaAS10036DLIVE200.78%
121.101.237.0/24South KoreaAS10036DLIVE200.78%
121.101.238.0/24South KoreaAS10036DLIVE000.00%
121.101.239.0/24South KoreaAS10036DLIVE000.00%
121.101.240.0/24South KoreaAS10036DLIVE100.39%
121.101.241.0/24South KoreaAS10036DLIVE100.39%
121.101.242.0/24South KoreaAS10036DLIVE000.00%
121.101.243.0/24South KoreaAS10036DLIVE000.00%
121.101.244.0/24South KoreaAS10036DLIVE000.00%
121.101.245.0/24South KoreaAS10036DLIVE000.00%
121.101.246.0/24South KoreaAS10036DLIVE000.00%
121.101.247.0/24South KoreaAS10036DLIVE000.00%
121.101.248.0/24South KoreaAS10036DLIVE100.39%
121.101.249.0/24South KoreaAS10036DLIVE301.17%
121.101.250.0/24South KoreaAS10036DLIVE000.00%
121.101.251.0/24South KoreaAS10036DLIVE000.00%
121.101.252.0/24South KoreaAS10036DLIVE000.00%
121.101.253.0/24South KoreaAS10036DLIVE000.00%
121.101.254.0/24South KoreaAS10036DLIVE100.39%
121.101.255.0/24South KoreaAS10036DLIVE301.17%
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.

Request evaluationDownload sample
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.
Get a quoteCompare licenses