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IPv4 root -> 172/8 -> 172.0.0.0/8

Summary for subnet 172.0.0.0/8

IP-range/subnet172.0.0.0-172.255.255.255
LocationUnited States (US) flag
Registryarin
Number of domains hosted493,962
Number of nameservers hosted6,275
Number of mailservers hosted32,880
Number of SPAM hosts hosted581
Number of IP routes1,153

Subnets based on RIR allocations

SubnetDescriptionRIRCountry#routes#domains#spamhosts
172.0.0.0/12AT&T Internet ServicesarinUS11,0106
172.32.0.0/11T-Mobile USA, Inc.arinUS408343
172.64.0.0/13CloudFlare, Inc.arinUS0110
172.72.0.0/14Time Warner Cable Internet LLCarinUS122327
172.76.0.0/14Frontier Communications of America, Inc.arinUS51080
172.80.0.0/17eSited SolutionsarinUS66,2330
172.80.128.0/17Sago NetworksarinUS1486
172.81.0.0/18Border Technology, LLCarinUS100
172.81.64.0/20HuntTelarinUS210
172.81.80.0/21PSI/MaximusarinUS250
172.81.88.0/22Grand Central Networks Inc.arinUS100
172.81.92.0/22ACCOUNT CONTROL TECHNOLOGY HOLDINGS, INCarinUS000
172.81.96.0/20KLAYERarinUS4720
172.81.112.0/22Big City Technology, Inc.arinUS100
172.81.116.0/22InMotion Hosting, Inc.arinUS12,6091
172.81.120.0/21VPS.TOarinUS12040
172.81.128.0/21DataWagon LLCarinUS11270
172.81.136.0/22Greenway Medical Technologies, Inc.arinUS100
172.81.140.0/22Access One Inc.arinUS120
172.81.144.0/21KuaiYi Networks LLCarinUS63431
172.81.152.0/22CASCADELINK INCarinUS110
172.81.156.0/22TelePacific CommunicationsarinUS110
172.81.160.0/20Telepacific CommunicationsarinUS1181
172.81.176.0/21Lunanode Hosting Inc.arinCA1800
172.81.184.0/22Sipbound CorporationarinUS3110
172.81.188.0/22UnwiredarinUS000
172.81.192.0/18OppoBoxarinUS100
172.82.0.0/17ContinaarinUS100
172.82.128.0/18QuickPacket, LLCarinUS49,1654
172.82.192.0/18Garrison Network Solutions LLCarinUS000
172.85.0.0/19Atlantic Broadband Finance, LLCarinUS1240
172.85.32.0/19Lightower Fiber NetworksarinUS9411
172.85.64.0/21Global Data Link, IncarinUS000
172.85.72.0/22United Surgical Partners International, arinUS100
172.85.76.0/22GoldKey CorporationarinUS1630
172.85.80.0/21Radiant Communications Ltd.arinCA100
172.85.88.0/21Cedexis IncarinUS100
172.85.96.0/20Host Wagon LLCarinUS51040
172.85.112.0/21Privatel IncarinUS200
172.85.120.0/22Liberty Cablevision of Puerto Rico LTDarinPR100
172.85.124.0/22Openface Inc.arinCA100
172.85.128.0/17Granite Telecommunications LLCarinUS501
172.86.0.0/18Eastern Iowa IP, LLCarinUS100
172.86.64.0/18Host NIT IncarinUS44262
172.86.128.0/20Saddle Mountain Wireless Inc.arinUS100
172.86.144.0/20Corgi Tech LLCarinUS53700
172.86.160.0/20Pertino Inc.arinUS010
172.86.176.0/21Joe's Datacenter, LLCarinUS14950
172.86.184.0/21Amanah Tech Inc.arinCA700
172.86.192.0/19InnSys IncorporatedarinCA102
172.86.224.0/20Fevvo, IncarinUS11,5330
172.86.240.0/21Continuum Online Services Ltd.arinCA100
172.86.248.0/21Netlink VoicearinUS000
172.87.0.0/20CONSOLIDATED TELEPHONE COarinUS100
172.87.16.0/21MetronetarinUS13030
172.87.24.0/21EightJoy Network LLCarinUS59,1934
172.87.32.0/22Lynx Network Group, Inc.arinUS13720
172.87.36.0/22TechAcceleratorarinUS100
172.87.40.0/21Bloomip Inc.arinUS000
172.87.48.0/20Sentinel Technologies, Inc.arinUS300
172.87.64.0/21Elite Systems, LLCarinUS100
172.87.72.0/22TeleCurve, LLCarinUS100
172.87.76.0/22Hortons TV & Electronics IncarinUS000
172.87.80.0/20Start CommunicationsarinCA100
172.87.96.0/19Angelo State UniversityarinUS500
172.87.128.0/18Time Warner Cable Internet LLCarinUS12155
172.87.192.0/19HTarinUS129,3100
172.87.224.0/20Fevvo, IncarinUS11,0760
172.87.240.0/20Net3 Inc.arinUS500
172.88.0.0/14Time Warner Cable Internet LLCarinUS125818
172.92.0.0/16Astound Broadband LLCarinUS110
172.93.0.0/18VegasNAP, LLCarinUS4310
172.93.64.0/20Allied International Corp of VA.arinUS100
172.93.80.0/20Allo telecomarinCA100
172.93.96.0/20ReliableSite.Net LLCarinUS35,31235
172.93.112.0/21Integrity NetworksarinUS100
172.93.120.0/22Host4Geeks LLCarinUS49610
172.93.124.0/22Mikmaw KinamatneweyarinCA100
172.93.128.0/17Nexeon Technologies, Inc.arinUS134586
172.94.0.0/17Secure Internet LLCarinUS8310
172.94.128.0/17FDCservers.netarinUS100
172.95.0.0/16Frontier Communications CorporationarinUS000
172.96.0.0/21Mean ServersarinUS1800
172.96.8.0/21Heymman ServersarinCA14511
172.96.16.0/22Ferric Systems, LLCarinUS120
172.96.20.0/22Putnam County Technology DepartmentarinUS000
172.96.24.0/21Invisalink WirelessarinUS200
172.96.32.0/22RedZone WirelessarinUS101
172.96.36.0/22TelAPI IncarinUS200
172.96.40.0/21Corridor Communications, INC.arinCA100
172.96.48.0/21SafeSoft Solutions, Inc.arinUS100
172.96.56.0/21Host NIT IncarinUS1320
172.96.64.0/19Root Level Technology, LLCarinUS21392
172.96.96.0/20Amazon Corporate LLCarinUS100
172.96.112.0/20VPS.TOarinUS910
172.96.128.0/18Versaweb, LLCarinUS23960
172.96.192.0/18VOI NET SOLUTIONSarinCA000
172.97.0.0/21Yucca TelecomarinUS000
172.97.8.0/21Iristel IncarinCA100
172.97.16.0/20Foothills Rural Telephone Cooperative CoarinUS310
172.97.32.0/20Hotwire CommunicationsarinUS123
172.97.48.0/22City Wide Communications Inc.arinCA000
172.97.52.0/22Dery Telecom Inc.arinCA400
172.97.56.0/22Bungie Inc.arinUS600
172.97.60.0/22Manitoba NetSet Ltd.arinCA100
172.97.64.0/21Owned-Networks LLCarinUS6160
172.97.72.0/21WiMAX Express Inc.arinUS100
172.97.80.0/20Fiber GalaxyarinUS12040
172.97.96.0/22Northland CommunicationsarinUS430
172.97.100.0/22Brownrice Internet, Inc.arinUS11,1080
172.97.104.0/21NOTO CommunicationsarinUS000
172.97.112.0/22Pulsant IncarinUS100
172.97.116.0/22ALTIUS Broadband, LLCarinUS100
172.97.120.0/22Seaside Communications, Inc.arinCA100
172.97.124.0/22smartTrade TechnologiesarinUS200
172.97.128.0/17DISTRIBUTEL COMMUNICATIONS LTD.arinCA262
172.98.0.0/18TelentiaarinUS1580
172.98.64.0/19Total Server Solutions L.L.C.arinUS2841813
172.98.96.0/19NETWORK INNOVATIONS, INC.arinUS1140
172.98.128.0/20Dialogix TelecomarinUS100
172.98.144.0/20CIK Telecom INCarinCA124
172.98.160.0/19BraveWay LLCarinUS2700
172.98.192.0/20Centrilogic, Inc.arinUS51,75110
172.98.208.0/21Electro Nebula LLCarinUS62821
172.98.216.0/22Highlands Union BankarinUS100
172.98.220.0/22XL Broadband Inc.arinUS400
172.98.224.0/20HA SERVERS, LLCarinUS1160
172.98.240.0/20Cap Rock Telephone Cooperative, Inc.arinUS241
172.99.0.0/22Soundview Broadcasting, LLCarinUS100
172.99.4.0/22Nerium International, LLCarinUS2260
172.99.8.0/22Canad Corporation of Manitoba LimitedarinCA400
172.99.12.0/22Softway Solutions, Inc.arinUS100
172.99.16.0/22Abilene Independent School DistrictarinUS100
172.99.20.0/22Netuity Networks IncarinCA200
172.99.24.0/21Radiant Communications Canada Ltd.arinCA300
172.99.32.0/19Frontier Communications CorporationarinUS300
172.99.64.0/18Rackspace HostingarinUS2263,5967
172.99.128.0/17Roya Hosting LLCarinUS100
172.100.0.0/15Time Warner Cable Internet LLCarinUS18210
172.102.4.0/22Hoyos Consulting LLCarinUS150
172.102.8.0/21Google Inc.arinUS800
172.102.16.0/20Cooperative de cablodistribution de l'ararinCA100
172.102.32.0/19Frontier Communications CorporationarinUS200
172.102.64.0/18Frontier Communications CorporationarinUS300
172.102.128.0/20Queen Systems, Inc.arinUS110
172.102.144.0/20Check Point Software Technologies, Inc.arinUS000
172.102.160.0/19Net3 Inc.arinUS9350
172.102.192.0/19Aventice LLCarinUS16680
172.102.224.0/22Choice Communications, LLCarinVI100
172.102.228.0/22Lakeland NetworksarinCA100
172.102.232.0/21DLVR, Inc.arinUS720
172.102.240.0/21Ontario Datacenter LLCarinUS1570
172.102.248.0/22Ukiah WirelessarinUS100
172.102.252.0/22WestNet Nevada, LLCarinUS400
172.103.0.0/19Midcontinent Media, Inc.arinUS1192
172.103.32.0/22SPICE TELECOM NETWORKarinUS000
172.103.36.0/22ClearnetworxarinUS100
172.103.40.0/21ERTR LLCarinUS1140
172.103.48.0/20Radiant Communications Ltd.arinCA340
172.103.64.0/18IP Systems LimitedarinVG23200
172.103.128.0/17Cipherkey Exchange Corp.arinCA110
172.104.0.0/15LinodearinUS000
172.106.0.0/15Psychz NetworksarinUS122061
172.108.0.0/16Frontier Communications CorporationarinUS000
172.109.0.0/16Frontier Communications CorporationarinUS000
172.110.0.0/19Subnet Labs LLCarinUS242,7833
172.110.32.0/21YouTube, LLCarinUS100
172.110.40.0/21Tenerum, LLCarinUS500
172.110.48.0/22LIFELOCKarinUS300
172.110.52.0/22ADVANCED HEALTH MEDIA SERVICES, LLCarinUS100
172.110.56.0/22Echo BroadbandarinUS100
172.110.60.0/22Town of Concord MAarinUS420
172.110.64.0/20Allstream Corp.arinCA3560
172.110.80.0/21CommZoom LLCarinUS120
172.110.88.0/22Metcom Network Services, Inc.arinUS100
172.110.92.0/22Atlantic Broadband Finance, LLCarinUS300
172.110.96.0/19Alchemy Communications, Inc.arinUS130
172.110.128.0/18Univera NetworkarinUS100
172.110.192.0/21DirecTV MDU BroadbandarinUS100
172.110.204.0/22Cisco Systems, Inc.arinUS100
172.110.208.0/20Fairway Network, Inc.arinUS12130
172.110.224.0/20Stellar Association, LLCarinUS100
172.110.240.0/22AYERA TECHNOLOGIES, INC.arinUS230
172.110.244.0/22Mercury Wireless, LLCarinUS000
172.110.248.0/22AmTrust North America, Inc.arinUS100
172.110.252.0/22Von Hudman Group, LLCarinUS100
172.111.0.0/18VirtuzoarinUS100
172.111.64.0/18FastlyarinUS15820
172.111.128.0/17Secure Internet LLCarinUS4721
172.112.0.0/13Time Warner Cable Internet LLCarinUS1704
172.120.0.0/15EGIHostingarinUS180
172.122.0.0/15KW DatacenterarinCA130
172.124.0.0/14AT&T Internet ServicesarinUS12301
172.128.0.0/10AOL Inc.arinUS43701
172.192.0.0/13Asia Pacific Network Information CentreapnicAU1251
172.200.0.0/13AOL Inc.arinUS8190
172.208.0.0/13AOL Inc.arinUS750
172.216.0.0/16AOL Inc.arinUS110
172.217.0.0/16Google Inc.arinUS100
172.218.0.0/15TELUS Communications Inc.arinCA2361
172.220.0.0/14BRIGHT HOUSE NETWORKS, LLCarinUS0100
172.224.0.0/12Akamai Technologies, Inc.arinUS2443140
172.240.0.0/15Nobis Technology Group, LLCarinUS4316,0120
172.242.0.0/15ViaSat,Inc.arinUS363412
172.244.0.0/16Comcast Cable Communications, LLCarinUS1120
172.245.0.0/16ColoCrossingarinUS3916,17933
172.246.0.0/16Enzu IncarinUS1369,4280
172.247.0.0/16CloudRadium L.L.CarinUS2519,467210
172.248.0.0/14Time Warner Cable Internet LLCarinUS125213
172.252.0.0/16EGIHostingarinUS224,3240
172.253.0.0/16Google Inc.arinUS000
172.254.0.0/16Time Warner Cable Internet LLCarinUS1120
172.255.0.0/16Nobis Technology Group, LLCarinUS231,9160

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