Enter domain or IP:

IP subnet 81.0.0.0/8

go up to whole net

Information about IP subnet 81.0.0.0/8. This subnet is used in United Kingdom (76 subnets), Russia (31 subnets), Netherlands (31 subnets) and some other countries.

IP subnets

IP subnet subnetsdomains
81.0.0.0/16Czech Republic Hungary Norway119226420
81.1.0.0/16France Russia2123
81.2.0.0/16United Kingdom Netherlands Czech Republic Germany124829383
81.3.0.0/16United Kingdom Germany Austria Russia6074496
81.4.0.0/16Netherlands Russia Cyprus3595211
81.5.0.0/16United Kingdom Austria Russia5982
81.6.0.0/16United Kingdom Poland Switzerland61100
81.7.0.0/16United States Germany Denmark Switzerland Lithuania5262903
81.8.0.0/16Sweden Turkey86359
81.9.0.0/16Spain Russia3957
81.10.0.0/16Austria European union55145
81.11.0.0/16Belgium6769
81.12.0.0/16Romania Iran130327
81.13.0.0/16Russia Switzerland2636
81.14.0.0/16Germany44175
81.15.0.0/16Poland Iceland90621
81.16.0.0/16Germany Sweden Hungary Finland Austria Lithuania Georgia183811
81.17.0.0/16United Kingdom Netherlands Germany Hungary Finland Ukraine Russia Switzerland Ireland Bosnia and Herzegovina Slovenia Republic of Serbia9229745
81.18.0.0/16Netherlands Germany France Romania Russia Poland Switzerland5094395
81.19.0.0/16United Kingdom Czech Republic France Finland Austria Spain Denmark Russia138827857
81.20.0.0/16United Kingdom Netherlands Germany Spain Estonia Russia Portugal European union Kyrgyzstan 6942330
81.21.0.0/16United Kingdom Netherlands Austria Italy Estonia Turkey Poland Ireland Azerbaijan European union Saudi Arabia Cyprus64623089
81.22.0.0/16Germany Hungary Finland Romania Russia Turkey Bahrain8095131
81.23.0.0/16United Kingdom Netherlands France Italy Ukraine Russia Switzerland256891
81.24.0.0/16United Kingdom Netherlands Germany Italy Romania Spain Ukraine Russia Ireland Republic of Serbia2151355
81.25.0.0/16Czech Republic Germany France Sweden Austria Italy Spain Ukraine Estonia Russia Belarus Luxembourg 4904252
81.26.0.0/16Netherlands Germany Sweden Italy Russia Norway Poland7887491
81.27.0.0/16United Kingdom Czech Republic Germany France Sweden Italy Denmark Norway 8685509
81.28.0.0/16Netherlands Germany France Austria Italy Russia Iran Switzerland2435743
81.29.0.0/16United Kingdom Netherlands Finland Italy Russia Norway Switzerland European union10697109
81.30.0.0/16Netherlands Czech Republic Germany Italy Ukraine Russia Poland5323679
81.31.0.0/16United Kingdom Netherlands Czech Republic Finland Austria Italy Denmark Iran 93320266
81.32.0.0/162024
81.33.0.0/164091
81.34.0.0/162739
81.35.0.0/162431
81.36.0.0/162329
81.37.0.0/161616
81.38.0.0/162525
81.39.0.0/162626
81.43.0.0/16Spain6982
81.44.0.0/16Spain2828
81.45.0.0/16Spain2551
81.47.0.0/16Spain58122
81.48.0.0/16France2532
81.50.0.0/16911
81.51.0.0/16France911
81.52.0.0/16Germany France Algeria2659
81.53.0.0/16France99
81.56.0.0/16France172304
81.57.0.0/16France128237
81.58.0.0/16Netherlands2127
81.59.0.0/16Netherlands77
81.60.0.0/1611
81.61.0.0/16Spain2646
81.62.0.0/16Switzerland2222
81.63.0.0/16Switzerland4554
81.64.0.0/163538
81.65.0.0/162640
81.66.0.0/161644
81.67.0.0/161719
81.68.0.0/16Netherlands1317
81.69.0.0/16Netherlands78
81.70.0.0/16Netherlands1731
81.71.0.0/16Netherlands2024
81.72.0.0/16Italy723
81.73.0.0/16Italy2247
81.74.0.0/16Italy23107
81.75.0.0/16Italy1314
81.77.0.0/16United Kingdom11
81.80.0.0/16France260431
81.82.0.0/16Belgium338677
81.83.0.0/16134235
81.84.0.0/16Portugal86139
81.85.0.0/16United Kingdom Netherlands713
81.86.0.0/16United Kingdom5268
81.87.0.0/16United Kingdom11
81.88.0.0/16United Kingdom Germany France Sweden Belgium Italy Russia Norway Slovakia Ireland European union Kyrgyzstan Kazakhstan46757519
81.89.0.0/16United Kingdom Germany Romania Spain Russia United Arab Emirates Slovakia Armenia4944307
81.90.0.0/16United Kingdom Czech Republic Germany Finland Ukraine Russia Iran Portugal Slovenia2861266
81.91.0.0/16United States United Kingdom Czech Republic Germany France Sweden Russia Turkey Iran European union99917105
81.92.0.0/16United Kingdom Netherlands Czech Republic Germany France Sweden Hungary Austria Belgium Spain Switzerland Portugal European union Luxembourg Iraq8055515
81.93.0.0/16United Kingdom Netherlands France Sweden Hungary Spain Norway Bosnia and Herzegovina14508489
81.94.0.0/16United Kingdom Sweden Hungary Austria Russia Switzerland Bosnia and Herzegovina Latvia3341524
81.95.0.0/16United Kingdom Netherlands Czech Republic Germany Belgium India Spain Denmark Ukraine Russia Poland Georgia Uzbekistan Iraq140225481
81.96.0.0/16United Kingdom55
81.97.0.0/16United Kingdom1415
81.98.0.0/16United Kingdom88
81.99.0.0/16United Kingdom2527
81.100.0.0/16United Kingdom911
81.101.0.0/16United Kingdom2449
81.102.0.0/16United Kingdom1319
81.103.0.0/16United Kingdom1417
81.104.0.0/16United Kingdom89
81.105.0.0/16United Kingdom1731
81.106.0.0/16United Kingdom1632
81.107.0.0/16United Kingdom1117
81.108.0.0/16United Kingdom2232
81.109.0.0/16United Kingdom2335
81.110.0.0/16United Kingdom2843
81.111.0.0/16United Kingdom66
81.112.0.0/16Italy1418
81.113.0.0/16Italy2040
81.114.0.0/16Italy2630
81.115.0.0/16Italy1011
81.116.0.0/16Italy2325
81.117.0.0/16Italy2431
81.118.0.0/16Italy2945
81.119.0.0/16Italy3366
81.120.0.0/16Italy2143
81.121.0.0/16Italy1335
81.122.0.0/1611
81.123.0.0/1611
81.125.0.0/16Italy78
81.129.0.0/16United Kingdom2426
81.130.0.0/16United Kingdom1724
81.131.0.0/16United Kingdom57
81.132.0.0/16United Kingdom3031
81.133.0.0/16United Kingdom5690
81.134.0.0/16United Kingdom7399
81.135.0.0/16United Kingdom79
81.136.0.0/16United Kingdom6790
81.137.0.0/16United Kingdom110179
81.138.0.0/16United Kingdom77141
81.139.0.0/16United Kingdom33
81.140.0.0/16United Kingdom1315
81.142.0.0/16United Kingdom107307
81.143.0.0/165368
81.144.0.0/16United Kingdom130273
81.145.0.0/16United Kingdom162609
81.146.0.0/16United Kingdom22
81.147.0.0/16United Kingdom1011
81.148.0.0/16United Kingdom55
81.149.0.0/16United Kingdom159232
81.150.0.0/16United Kingdom1417
81.151.0.0/16United Kingdom2631
81.152.0.0/16United Kingdom1214
81.153.0.0/16United Kingdom1819
81.154.0.0/161111
81.155.0.0/161212
81.156.0.0/163030
81.157.0.0/164447
81.158.0.0/16United Kingdom66
81.159.0.0/16United Kingdom2931
81.160.0.0/16Hungary55
81.161.0.0/16France Bulgaria Romania Denmark Poland33184
81.162.0.0/16Czech Republic Ukraine Poland Slovakia20104
81.163.0.0/16Poland1320
81.164.0.0/16Belgium77
81.165.0.0/16Belgium78
81.166.0.0/16Norway136258
81.167.0.0/16Norway172327
81.168.0.0/16United Kingdom Poland81156
81.169.0.0/16Germany Belgium5329305820
81.170.0.0/16United Kingdom Sweden93181
81.171.0.0/16United Kingdom Netherlands Greece42310419
81.172.0.0/16Spain911
81.173.0.0/16Netherlands Germany2891801
81.174.0.0/16United Kingdom Italy4423055
81.175.0.0/16Netherlands Finland Norway109472
81.176.0.0/16Russia1591064
81.177.0.0/16Russia6405485
81.178.0.0/16United Kingdom3942
81.179.0.0/16United Kingdom2125
81.180.0.0/16Romania Moldova162802
81.181.0.0/16Romania88292
81.182.0.0/16Hungary6277
81.183.0.0/16Hungary6290
81.184.0.0/16Spain129299
81.185.0.0/1633
81.186.0.0/16Sweden Greece1841
81.187.0.0/16United Kingdom126556
81.188.0.0/16Belgium4386
81.189.0.0/16Austria80234
81.190.0.0/16Poland2031
81.191.0.0/16Norway5277
81.192.0.0/16Morocco2530
81.193.0.0/16Portugal6896
81.194.0.0/16France1725
81.195.0.0/16Russia710
81.196.0.0/16Romania3181348
81.197.0.0/16Finland33
81.198.0.0/16Latvia1925
81.199.0.0/16United Kingdom Israel Nigeria 79
81.200.0.0/16United Kingdom Netherlands Czech Republic Germany France Sweden Italy Russia3531509
81.201.0.0/16United Kingdom Czech Republic Germany France Sweden Belgium Italy Russia Switzerland8753559
81.202.0.0/16Spain2238
81.203.0.0/16Spain1826
81.204.0.0/16Netherlands2527
81.205.0.0/16Netherlands2334
81.206.0.0/16Netherlands2440
81.207.0.0/16Netherlands2578
81.208.0.0/16Italy4111025
81.209.0.0/16Germany Finland European union6843078
81.210.0.0/16Germany Poland91200
81.211.0.0/16Russia1418
81.213.0.0/16Turkey3844
81.214.0.0/16Turkey5665
81.215.0.0/16Turkey1518
81.216.0.0/16Sweden105372
81.217.0.0/16Austria1315
81.218.0.0/16Israel4441421
81.219.0.0/16Poland1281387
81.220.0.0/16France3642
81.221.0.0/16Switzerland1271508
81.222.0.0/16Russia75522
81.223.0.0/16Austria4925176
81.224.0.0/162023
81.225.0.0/161925
81.226.0.0/162949
81.227.0.0/163134
81.228.0.0/161534
81.229.0.0/162535
81.230.0.0/163543
81.231.0.0/163143
81.232.0.0/162140
81.233.0.0/163347
81.234.0.0/162132
81.235.0.0/162630
81.236.0.0/1632480
81.237.0.0/16Sweden44
81.240.0.0/16Belgium3336
81.241.0.0/16Belgium4868
81.242.0.0/16Belgium3131
81.243.0.0/16Belgium3943
81.244.0.0/16Belgium4452
81.245.0.0/16Belgium2020
81.246.0.0/16Belgium3821141
81.247.0.0/16Belgium45253
81.248.0.0/16 4965
81.249.0.0/16France2829
81.250.0.0/16France99
81.251.0.0/16France1516
81.252.0.0/16France4061524
81.255.0.0/16France3491429