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HomeAll IP Ranges173.0.0.0/8173.251.0.0/16
65,536 routable10 ASes
/16 subnet

173.251.0.0/16

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

173.250.0.0/16173.252.0.0/16
65,536
routable addresses
65,536
geolocated
1
country
10
announcing ASes
15
announced prefixes
529
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. AS6128Cablevision Systems Corp.30,720 · 46.88%
  2. AS19419Sony Pictures Entertainment Inc3,328 · 5.08%
  3. AS11737Nu-Age Managed Services, LLC256 · 0.39%
  4. AS13599Eisai Inc.256 · 0.39%
  5. AS16884Tourmaline Partners LLC256 · 0.39%
  6. AS22225Prestige Brands, Inc.256 · 0.39%
  7. AS32696Tri State Voice & Data, LLC256 · 0.39%
  8. AS53475Maher Terminals LLC256 · 0.39%
  9. AS53725PBF Holding Company LLC256 · 0.39%
  10. AS54004Cablevision Lightpath LLC256 · 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.

15 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
173.251.0.0/17AS6128Cablevision Systems Corp.United StatesValid172026-10-02
173.251.19.0/24AS32696Tri State Voice & Data, LLCUnited StatesValid172026-10-02
173.251.28.0/24AS54004Cablevision Lightpath LLCUnited StatesValid172026-10-02
173.251.30.0/24AS11737Nu-Age Managed Services, LLCUnited StatesValid172026-10-02
173.251.54.0/24AS13599Eisai Inc.United StatesValid172026-10-02
173.251.60.0/24AS22225Prestige Brands, Inc.United StatesValid172026-10-02
173.251.64.0/24AS16884Tourmaline Partners LLCUnited StatesValid172026-10-02
173.251.91.0/24AS53725PBF Holding Company LLCUnited StatesValid172026-10-02
173.251.111.0/24AS53475Maher Terminals LLCUnited StatesValid172026-10-02
173.251.240.0/21AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02
173.251.240.0/23AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02
173.251.241.0/24AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02
173.251.244.0/24AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02
173.251.248.0/22AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02
173.251.252.0/24AS19419Sony Pictures Entertainment IncUnited StatesNot found172026-10-02

Every /24 inside it

173.251.0.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.1.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.2.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.3.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.4.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.5.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.6.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.7.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.8.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.9.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.10.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.11.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.12.0/24United StatesAS6128Cablevision Systems Corp.702.73%
173.251.13.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.14.0/24United StatesAS6128Cablevision Systems Corp.803.13%
173.251.15.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.16.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.17.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.18.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.19.0/24United StatesAS32696Tri State Voice & Data, LLC200.78%
173.251.20.0/24United StatesAS6128Cablevision Systems Corp.803.13%
173.251.21.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.22.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.23.0/24United StatesAS6128Cablevision Systems Corp.1104.30%
173.251.24.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.25.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.26.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.27.0/24United StatesAS6128Cablevision Systems Corp.702.73%
173.251.28.0/24United StatesAS54004Cablevision Lightpath LLC000.00%
173.251.29.0/24United StatesAS6128Cablevision Systems Corp.602.34%
173.251.30.0/24United StatesAS11737Nu-Age Managed Services, LLC000.00%
173.251.31.0/24United StatesAS6128Cablevision Systems Corp.6256100.00%
173.251.32.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.33.0/24United StatesAS6128Cablevision Systems Corp.1104.30%
173.251.34.0/24United StatesAS6128Cablevision Systems Corp.702.73%
173.251.35.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.36.0/24United StatesAS6128Cablevision Systems Corp.1405.47%
173.251.37.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.38.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.39.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.40.0/24United StatesAS6128Cablevision Systems Corp.602.34%
173.251.41.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.42.0/24United StatesAS6128Cablevision Systems Corp.903.52%
173.251.43.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.44.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.45.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.46.0/24United StatesAS6128Cablevision Systems Corp.401.56%
173.251.47.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.48.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.49.0/24United StatesAS6128Cablevision Systems Corp.1405.47%
173.251.50.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.51.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.52.0/24United StatesAS6128Cablevision Systems Corp.1204.69%
173.251.53.0/24United StatesAS6128Cablevision Systems Corp.1104.30%
173.251.54.0/24United StatesAS13599Eisai Inc.200.78%
173.251.55.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.56.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.57.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.58.0/24United StatesAS6128Cablevision Systems Corp.803.13%
173.251.59.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.60.0/24United StatesAS22225Prestige Brands, Inc.100.39%
173.251.61.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.62.0/24United StatesAS6128Cablevision Systems Corp.31012.11%
173.251.63.0/24United StatesAS6128Cablevision Systems Corp.1305.08%
173.251.64.0/24United StatesAS16884Tourmaline Partners LLC100.39%
173.251.65.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.66.0/24United StatesAS6128Cablevision Systems Corp.803.13%
173.251.67.0/24United StatesAS6128Cablevision Systems Corp.1606.25%
173.251.68.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.69.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.70.0/24United StatesAS6128Cablevision Systems Corp.803.13%
173.251.71.0/24United StatesAS6128Cablevision Systems Corp.501.95%
173.251.72.0/24United StatesAS6128Cablevision Systems Corp.602.34%
173.251.73.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.74.0/24United StatesAS6128Cablevision Systems Corp.903.52%
173.251.75.0/24United StatesAS6128Cablevision Systems Corp.1505.86%
173.251.76.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.77.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.78.0/24United StatesAS6128Cablevision Systems Corp.602.34%
173.251.79.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.80.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.81.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.82.0/24United StatesAS6128Cablevision Systems Corp.1003.91%
173.251.83.0/24United StatesAS6128Cablevision Systems Corp.1003.91%
173.251.84.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.85.0/24United StatesAS6128Cablevision Systems Corp.401.56%
173.251.86.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.87.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.88.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.89.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.90.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.91.0/24United StatesAS53725PBF Holding Company LLC200.78%
173.251.92.0/24United StatesAS6128Cablevision Systems Corp.1003.91%
173.251.93.0/24United StatesAS6128Cablevision Systems Corp.1606.25%
173.251.94.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.95.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.96.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.97.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.98.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.99.0/24United StatesAS6128Cablevision Systems Corp.100.39%
173.251.100.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.101.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.102.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.103.0/24United StatesAS6128Cablevision Systems Corp.1305.08%
173.251.104.0/24United StatesAS6128Cablevision Systems Corp.903.52%
173.251.105.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.106.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.107.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.108.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.109.0/24United StatesAS6128Cablevision Systems Corp.602.34%
173.251.110.0/24United StatesAS6128Cablevision Systems Corp.702.73%
173.251.111.0/24United StatesAS53475Maher Terminals LLC000.00%
173.251.112.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.113.0/24United StatesAS6128Cablevision Systems Corp.301.17%
173.251.114.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.115.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.116.0/24United StatesAS6128Cablevision Systems Corp.1305.08%
173.251.117.0/24United StatesAS6128Cablevision Systems Corp.1807.03%
173.251.118.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.119.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.120.0/24United StatesAS6128Cablevision Systems Corp.7256100.00%
173.251.121.0/24United StatesAS6128Cablevision Systems Corp.903.52%
173.251.122.0/24United StatesAS6128Cablevision Systems Corp.1305.08%
173.251.123.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.124.0/24United StatesAS6128Cablevision Systems Corp.200.78%
173.251.125.0/24United StatesAS6128Cablevision Systems Corp.702.73%
173.251.126.0/24United StatesAS6128Cablevision Systems Corp.1104.30%
173.251.127.0/24United StatesAS6128Cablevision Systems Corp.000.00%
173.251.128.0/24United States—000.00%
173.251.129.0/24United States—000.00%
173.251.130.0/24United States—000.00%
173.251.131.0/24United States—000.00%
173.251.132.0/24United States—000.00%
173.251.133.0/24United States—000.00%
173.251.134.0/24United States—000.00%
173.251.135.0/24United States—000.00%
173.251.136.0/24United States—000.00%
173.251.137.0/24United States—000.00%
173.251.138.0/24United States—000.00%
173.251.139.0/24United States—000.00%
173.251.140.0/24United States—000.00%
173.251.141.0/24United States—000.00%
173.251.142.0/24United States—000.00%
173.251.143.0/24United States—000.00%
173.251.144.0/24United States—000.00%
173.251.145.0/24United States—000.00%
173.251.146.0/24United States—000.00%
173.251.147.0/24United States—000.00%
173.251.148.0/24United States—000.00%
173.251.149.0/24United States—000.00%
173.251.150.0/24United States—000.00%
173.251.151.0/24United States—000.00%
173.251.152.0/24United States—000.00%
173.251.153.0/24United States—000.00%
173.251.154.0/24United States—000.00%
173.251.155.0/24United States—000.00%
173.251.156.0/24United States—000.00%
173.251.157.0/24United States—000.00%
173.251.158.0/24United States—000.00%
173.251.159.0/24United States—000.00%
173.251.160.0/24United States—000.00%
173.251.161.0/24United States—000.00%
173.251.162.0/24United States—000.00%
173.251.163.0/24United States—000.00%
173.251.164.0/24United States—000.00%
173.251.165.0/24United States—000.00%
173.251.166.0/24United States—000.00%
173.251.167.0/24United States—000.00%
173.251.168.0/24United States—000.00%
173.251.169.0/24United States—000.00%
173.251.170.0/24United States—000.00%
173.251.171.0/24United States—000.00%
173.251.172.0/24United States—000.00%
173.251.173.0/24United States—000.00%
173.251.174.0/24United States—000.00%
173.251.175.0/24United States—000.00%
173.251.176.0/24United States—000.00%
173.251.177.0/24United States—000.00%
173.251.178.0/24United States—000.00%
173.251.179.0/24United States—000.00%
173.251.180.0/24United States—000.00%
173.251.181.0/24United States—000.00%
173.251.182.0/24United States—000.00%
173.251.183.0/24United States—000.00%
173.251.184.0/24United States—000.00%
173.251.185.0/24United States—000.00%
173.251.186.0/24United States—000.00%
173.251.187.0/24United States—000.00%
173.251.188.0/24United States—000.00%
173.251.189.0/24United States—000.00%
173.251.190.0/24United States—000.00%
173.251.191.0/24United States—000.00%
173.251.192.0/24United States—000.00%
173.251.193.0/24United States—000.00%
173.251.194.0/24United States—000.00%
173.251.195.0/24United States—000.00%
173.251.196.0/24United States—000.00%
173.251.197.0/24United States—000.00%
173.251.198.0/24United States—000.00%
173.251.199.0/24United States—000.00%
173.251.200.0/24United States—000.00%
173.251.201.0/24United States—000.00%
173.251.202.0/24United States—000.00%
173.251.203.0/24United States—000.00%
173.251.204.0/24United States—000.00%
173.251.205.0/24United States—000.00%
173.251.206.0/24United States—000.00%
173.251.207.0/24United States—000.00%
173.251.208.0/24United States—000.00%
173.251.209.0/24United States—000.00%
173.251.210.0/24United States—000.00%
173.251.211.0/24United States—000.00%
173.251.212.0/24United States—000.00%
173.251.213.0/24United States—000.00%
173.251.214.0/24United States—000.00%
173.251.215.0/24United States—000.00%
173.251.216.0/24United States—000.00%
173.251.217.0/24United States—000.00%
173.251.218.0/24United States—000.00%
173.251.219.0/24United States—000.00%
173.251.220.0/24United States—000.00%
173.251.221.0/24United States—000.00%
173.251.222.0/24United States—000.00%
173.251.223.0/24United States—000.00%
173.251.224.0/24United States—000.00%
173.251.225.0/24United States—000.00%
173.251.226.0/24United States—000.00%
173.251.227.0/24United States—000.00%
173.251.228.0/24United States—000.00%
173.251.229.0/24United States—000.00%
173.251.230.0/24United States—000.00%
173.251.231.0/24United States—000.00%
173.251.232.0/24United States—000.00%
173.251.233.0/24United States—000.00%
173.251.234.0/24United States—000.00%
173.251.235.0/24United States—000.00%
173.251.236.0/24United States—000.00%
173.251.237.0/24United States—000.00%
173.251.238.0/24United States—000.00%
173.251.239.0/24United States—000.00%
173.251.240.0/24United StatesAS19419Sony Pictures Entertainment Inc1907.42%
173.251.241.0/24United StatesAS19419Sony Pictures Entertainment Inc200.78%
173.251.242.0/24United StatesAS19419Sony Pictures Entertainment Inc301.17%
173.251.243.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.244.0/24United StatesAS19419Sony Pictures Entertainment Inc100.39%
173.251.245.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.246.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.247.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.248.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.249.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.250.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.251.0/24United StatesAS19419Sony Pictures Entertainment Inc000.00%
173.251.252.0/24United StatesAS19419Sony Pictures Entertainment Inc301.17%
173.251.253.0/24United States—000.00%
173.251.254.0/24United States—000.00%
173.251.255.0/24United States—000.00%
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