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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 hosted652,722
Number of nameservers hosted7,836
Number of mailservers hosted34,593
Number of SPAM hosts hosted740
Number of IP routes1,410

Subnets based on RIR allocations

SubnetDescriptionRIRCountry#routes#domains#spamhosts
172.0.0.0/12AT&T Internet ServicesarinUS11,02311
172.32.0.0/11T-Mobile USA, Inc.arinUS449750
172.64.0.0/13CloudFlare, Inc.arinUS25180
172.72.0.0/14Time Warner Cable Internet LLCarinUS126428
172.76.0.0/14Frontier Communications of America, Inc.arinUS31243
172.80.0.0/17eSited SolutionsarinUS310,5201
172.80.128.0/17AE-SALAR-20150705ripeAE0400
172.81.0.0/18Border Technology, LLCarinUS3580
172.81.64.0/20HuntTelarinUS510
172.81.80.0/21PSI/MaximusarinUS280
172.81.88.0/22Grand Central Networks Inc.arinUS400
172.81.92.0/22ACCOUNT CONTROL TECHNOLOGY HOLDINGS, INCarinUS000
172.81.96.0/20KLAYERarinUS131,3320
172.81.112.0/22Big City Technology, Inc.arinUS100
172.81.116.0/22InMotion Hosting, Inc.arinUS14,4870
172.81.120.0/21VPS.TOarinUS12560
172.81.128.0/21DataWagon LLCarinUS2310
172.81.136.0/22Greenway Medical Technologies, Inc.arinUS100
172.81.140.0/22Access One Inc.arinUS130
172.81.144.0/21KuaiYi Networks LLCarinUS81630
172.81.152.0/22CASCADELINK INCarinUS114
172.81.156.0/22TelePacific CommunicationsarinUS110
172.81.160.0/20Telepacific CommunicationsarinUS1410
172.81.176.0/21Lunanode Hosting Inc.arinCA15640
172.81.184.0/22Sipbound CorporationarinUS440
172.81.188.0/22UnwiredarinUS000
172.81.192.0/18OppoBoxarinUS300
172.82.0.0/17ContinaarinUS6290
172.82.128.0/18QuickPacket, LLCarinUS554,1842
172.82.192.0/18Garrison Network Solutions LLCarinUS000
172.85.0.0/19Atlantic Broadband Finance, LLCarinUS1181
172.85.32.0/19Lightower Fiber Networks I, LLCarinUS9550
172.85.64.0/21Global Data Link, IncarinUS000
172.85.72.0/22United Surgical Partners International, arinUS100
172.85.76.0/22GoldKey CorporationarinUS1660
172.85.80.0/21Radiant Communications Ltd.arinCA100
172.85.88.0/21Cedexis IncarinUS200
172.85.96.0/20Host Wagon LLCarinUS5700
172.85.112.0/21Privatel IncarinUS500
172.85.120.0/22Liberty Cablevision of Puerto Rico LTDarinPR1010
172.85.124.0/22Openface Inc.arinCA100
172.85.128.0/17Granite Telecommunications LLCarinUS1402
172.86.0.0/18Eastern Iowa IP, LLCarinUS100
172.86.64.0/18FranTech SolutionsarinUS67,7490
172.86.128.0/20Saddle Mountain Wireless Inc.arinUS100
172.86.144.0/20Corgi Tech LLCarinUS63790
172.86.160.0/20Pertino Inc.arinUS020
172.86.176.0/21Joe's Datacenter, LLCarinUS15290
172.86.184.0/21Amanah Tech Inc.arinCA6180
172.86.192.0/19InnSys IncorporatedarinCA100
172.86.224.0/20Fevvo, IncarinUS53340
172.86.240.0/21Continuum Online Services Ltd.arinCA100
172.86.248.0/21Netlink VoicearinUS000
172.87.0.0/20CONSOLIDATED TELEPHONE COarinUS116
172.87.16.0/21MetronetarinUS13050
172.87.24.0/21EightJoy Network LLCarinUS114,3772
172.87.32.0/22Lynx Network Group, Inc.arinUS13760
172.87.36.0/22TechAcceleratorarinUS100
172.87.40.0/21Bloomip Inc.arinUS200
172.87.48.0/20Sentinel Technologies, Inc.arinUS350
172.87.64.0/21Elite Systems, LLCarinUS100
172.87.72.0/22TeleCurve, LLCarinUS100
172.87.76.0/22Hortons TV & Electronics IncarinUS100
172.87.80.0/20Start CommunicationsarinCA100
172.87.96.0/19Angelo State UniversityarinUS500
172.87.128.0/18Time Warner Cable Internet LLCarinUS12155
172.87.192.0/19HTarinUS120,04311
172.87.224.0/20Fevvo, IncarinUS14540
172.87.240.0/20Net3 Inc.arinUS500
172.88.0.0/14Time Warner Cable Internet LLCarinUS129023
172.92.0.0/16Astound Broadband LLCarinUS110
172.93.0.0/18VegasNAP, LLCarinUS5340
172.93.64.0/20Allied International Corp of VA.arinUS100
172.93.80.0/20Allo telecomarinCA100
172.93.96.0/20ReliableSite.Net LLCarinUS411,6603
172.93.112.0/21Integrity NetworksarinUS100
172.93.120.0/22Host4Geeks LLCarinUS41,4301
172.93.124.0/22Mikmaw KinamatneweyarinCA100
172.93.128.0/17Nexeon Technologies, Inc.arinUS3235510
172.94.0.0/17Secure Internet LLCarinUS9161
172.94.128.0/17FDCservers.netarinUS000
172.95.0.0/16Frontier Communications CorporationarinUS511
172.96.0.0/21Mean ServersarinUS1320
172.96.8.0/21Heymman ServersarinUS11,5920
172.96.16.0/22Ferric Systems, LLCarinUS11050
172.96.20.0/22Putnam County Technology DepartmentarinUS000
172.96.24.0/21Invisalink WirelessarinUS400
172.96.32.0/22RedZone WirelessarinUS120
172.96.36.0/22TelTech Systems, Inc.arinUS200
172.96.40.0/21Corridor Communications, INC.arinCA110
172.96.48.0/21SafeSoft Solutions, Inc.arinUS100
172.96.56.0/21Host NIT IncarinUS1350
172.96.64.0/19Root Level Technology, LLCarinUS322730
172.96.96.0/20Amazon Corporate LLCarinUS100
172.96.112.0/20VPS.TOarinUS8150
172.96.128.0/18Versaweb, LLCarinUS37068
172.96.192.0/18VOI NET SOLUTIONSarinCA000
172.97.0.0/21Yucca TelecomarinUS400
172.97.8.0/21Iristel IncarinCA110
172.97.16.0/20Foothills Rural Telephone Cooperative CoarinUS300
172.97.32.0/20Hotwire CommunicationsarinUS119
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.arinCA110
172.97.64.0/21Owned-Networks LLCarinUS72820
172.97.72.0/21WiMAX Express Inc.arinUS100
172.97.80.0/20Fiber GalaxyarinUS42900
172.97.96.0/22Northland CommunicationsarinUS430
172.97.100.0/22Brownrice Internet, Inc.arinUS11,3160
172.97.104.0/21NOTO CommunicationsarinUS600
172.97.112.0/22Pulsant IncarinUS100
172.97.116.0/22ALTIUS Broadband, LLCarinUS102
172.97.120.0/22Seaside Communications, Inc.arinCA103
172.97.124.0/22smartTrade TechnologiesarinUS200
172.97.128.0/17DISTRIBUTEL COMMUNICATIONS LTD.arinCA23529
172.98.0.0/18TelentiaarinUS8870
172.98.64.0/19Total Server Solutions L.L.C.arinUS291,31626
172.98.96.0/19NETWORK INNOVATIONS, INC.arinUS1180
172.98.128.0/20Dialogix TelecomarinUS100
172.98.144.0/20CIK Telecom INCarinCA110
172.98.160.0/19BraveWay LLCarinUS2700
172.98.192.0/20Centrilogic, Inc.arinUS61,50311
172.98.208.0/21Electro Nebula LLCarinUS72203
172.98.216.0/22Highlands Union BankarinUS100
172.98.220.0/22XL Broadband Inc.arinUS400
172.98.224.0/20HA SERVERS, LLCarinUS1170
172.98.240.0/20Cap Rock Telephone Cooperative, Inc.arinUS150
172.99.0.0/22Soundview Broadcasting, LLCarinUS260
172.99.4.0/22Nerium International, LLCarinUS1570
172.99.8.0/22Canad Corporation of Manitoba LimitedarinCA400
172.99.12.0/22Softway Solutions, Inc.arinUS200
172.99.16.0/22Abilene Independent School DistrictarinUS100
172.99.20.0/22Netuity Networks IncarinCA100
172.99.24.0/21Radiant Communications Canada Ltd.arinCA300
172.99.32.0/19Frontier Communications CorporationarinUS300
172.99.64.0/18Rackspace HostingarinUS2228,7325
172.99.128.0/17Roya Hosting LLCarinUS300
172.100.0.0/15Time Warner Cable Internet LLCarinUS110514
172.102.4.0/22Hoyos Consulting LLCarinUS150
172.102.8.0/21Google Inc.arinUS700
172.102.16.0/20Cooperative de cablodistribution de l'ararinCA1140
172.102.32.0/19Frontier Communications CorporationarinUS200
172.102.64.0/18Frontier Communications CorporationarinUS300
172.102.128.0/20Queen Systems, Inc.arinUS21780
172.102.144.0/20Check Point Software Technologies, Inc.arinUS100
172.102.160.0/19Net3 Inc.arinUS1120
172.102.192.0/19Aventice LLCarinUS16860
172.102.224.0/22Choice Communications, LLCarinVI100
172.102.228.0/22Lakeland NetworksarinCA100
172.102.232.0/21DLVR, Inc.arinUS820
172.102.240.0/21Ontario Datacenter LLCarinUS101230
172.102.248.0/22Ukiah WirelessarinUS100
172.102.252.0/22WestNet Nevada, LLCarinUS400
172.103.0.0/19Midcontinent Media, Inc.arinUS17191
172.103.32.0/22SPICE TELECOM NETWORKarinUS000
172.103.36.0/22ClearnetworxarinUS100
172.103.40.0/21ERTR LLCarinUS100
172.103.48.0/20Radiant Communications Ltd.arinCA340
172.103.64.0/18IP Systems LimitedarinVG12640
172.103.128.0/17Cipherkey Exchange Corp.arinCA1102
172.104.0.0/15LinodearinUS000
172.106.0.0/15Psychz NetworksarinUS8668,62716
172.108.0.0/16Frontier Communications CorporationarinUS200
172.109.0.0/16Frontier Communications CorporationarinUS210
172.110.0.0/19Subnet Labs LLCarinUS264,3875
172.110.32.0/21YouTube, LLCarinUS100
172.110.40.0/21Tenerum, LLCarinUS600
172.110.48.0/22LIFELOCKarinUS300
172.110.52.0/22ADVANCED HEALTH MEDIA SERVICES, LLCarinUS100
172.110.56.0/22Echo BroadbandarinUS120
172.110.60.0/22Town of Concord MAarinUS4180
172.110.64.0/20Allstream Corp.arinCA3541
172.110.80.0/21CommZoom LLCarinUS130
172.110.88.0/22Metcom Network Services, Inc.arinUS100
172.110.92.0/22Atlantic Broadband Finance, LLCarinUS100
172.110.96.0/19Alchemy Communications, Inc.arinUS130
172.110.128.0/18Univera NetworkarinUS600
172.110.192.0/21DirecTV MDU BroadbandarinUS102
172.110.204.0/22Cisco Systems, Inc.arinUS100
172.110.208.0/20Fairway Network, Inc.arinUS22300
172.110.224.0/20Stellar Association, LLCarinUS100
172.110.240.0/22AYERA TECHNOLOGIES, INC.arinUS231
172.110.244.0/22Mercury Wireless, LLCarinUS400
172.110.248.0/22AmTrust North America, Inc.arinUS200
172.110.252.0/22Von Hudman Group, LLCarinUS100
172.111.0.0/18VirtuzoarinUS900
172.111.64.0/18FastlyarinUS16200
172.111.128.0/17Secure Internet LLCarinUS7112
172.112.0.0/13Time Warner Cable Internet LLCarinUS110412
172.120.0.0/15EGIHostingarinUS190
172.122.0.0/15KW DatacenterarinCA030
172.124.0.0/14AT&T Internet ServicesarinUS15221
172.128.0.0/10AOL Inc.arinUS29832
172.192.0.0/13FOXTEL Management Pty LtdapnicAU1331
172.200.0.0/13AOL Inc.arinUS8180
172.208.0.0/13AOL Inc.arinUS740
172.216.0.0/16AOL Inc.arinUS110
172.217.0.0/16Google Inc.arinUS61,1580
172.218.0.0/15TELUS Communications Inc.arinCA2300
172.220.0.0/14BRIGHT HOUSE NETWORKS, LLCarinUS090
172.224.0.0/12Akamai Technologies, Inc.arinUS922050
172.240.0.0/15Nobis Technology Group, LLCarinUS437,3263
172.242.0.0/15ViaSat,Inc.arinUS36349
172.244.0.0/16Comcast Cable Communications, LLCarinUS100
172.245.0.0/16ColoCrossingarinUS716,95528
172.246.0.0/16Enzu IncarinUS14151,1580
172.247.0.0/16CloudRadium L.L.CarinUS11318,682343
172.248.0.0/14Time Warner Cable Internet LLCarinUS129623
172.252.0.0/16EGIHostingarinUS219,8030
172.253.0.0/16Google Inc.arinUS100
172.254.0.0/16Time Warner Cable Internet LLCarinUS2151
172.255.0.0/19Nobis Technology Group, LLCarinUS22390
172.255.32.0/20Nobis Technology Group, LLCarinUS3130
172.255.48.0/20Gossamer Threads Inc.arinCA4150
172.255.64.0/18Nobis Technology Group, LLCarinUS92020
172.255.128.0/17Nobis Technology Group, LLCarinUS82252

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