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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 hosted747,220
Number of nameservers hosted8,270
Number of mailservers hosted37,839
Number of SPAM hosts hosted328
Number of IP routes1,412

Subnets based on RIR allocations

SubnetDescriptionRIRCountry#routes#domains#spamhosts
172.0.0.0/12AT&T Internet ServicesarinUS11,02411
172.32.0.0/11T-Mobile USA, Inc.arinUS45101114
172.64.0.0/13CloudFlare, Inc.arinUS28160
172.72.0.0/14Time Warner Cable Internet LLCarinUS127614
172.76.0.0/14Frontier Communications of America, Inc.arinUS31171
172.80.0.0/17eSited SolutionsarinUS314,1130
172.80.128.0/17AE-SALAR-20150705ripeAE0410
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
172.81.96.0/20KLAYERarinUS151,3260
172.81.112.0/22Big City Technology, Inc.arinUS100
172.81.116.0/22InMotion Hosting, Inc.arinUS14,5690
172.81.120.0/21VPS.TOarinUS12560
172.81.128.0/21DataWagon LLCarinUS2290
172.81.136.0/22Greenway Medical Technologies, Inc.arinUS100
172.81.140.0/22Access One Inc.arinUS130
172.81.144.0/21KuaiYi Networks LLCarinUS81900
172.81.152.0/22CASCADELINK INCarinUS131
172.81.156.0/22TelePacific CommunicationsarinUS110
172.81.160.0/20Telepacific CommunicationsarinUS1420
172.81.176.0/21Lunanode Hosting Inc.arinCA14940
172.81.184.0/22Sipbound CorporationarinUS420
172.81.188.0/22UnwiredarinUS000
172.81.192.0/18OppoBoxarinUS300
172.82.0.0/17ContinaarinUS6290
172.82.128.0/18QuickPacket, LLCarinUS590,3090
172.82.192.0/18Adobe Systems Inc.arinUS000
172.85.0.0/19Atlantic Broadband Finance, LLCarinUS1160
172.85.32.0/19Lightower Fiber Networks I, LLCarinUS9570
172.85.64.0/21Global Data Link, IncarinUS000
172.85.72.0/22United Surgical Partners International, arinUS100
172.85.76.0/22GoldKey CorporationarinUS1670
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 LTDarinPR106
172.85.124.0/22Openface Inc.arinCA100
172.85.128.0/17Granite Telecommunications LLCarinUS1501
172.86.0.0/18Eastern Iowa IP, LLCarinUS100
172.86.64.0/18FranTech SolutionsarinUS66,8650
172.86.128.0/20Saddle Mountain Wireless Inc.arinUS100
172.86.144.0/20Corgi Tech LLCarinUS63900
172.86.160.0/20Pertino Inc.arinUS010
172.86.176.0/21Joe's Datacenter, LLCarinUS16360
172.86.184.0/21Amanah Tech Inc.arinCA6180
172.86.192.0/19InnSys IncorporatedarinCA100
172.86.224.0/20Fevvo, IncarinUS52610
172.86.240.0/21Continuum Online Services Ltd.arinCA110
172.86.248.0/21Netlink VoicearinUS000
172.87.0.0/20CONSOLIDATED TELEPHONE COarinUS123
172.87.16.0/21MetronetarinUS13060
172.87.24.0/21EightJoy Network LLCarinUS114,6611
172.87.32.0/22Lynx Network Group, Inc.arinUS13790
172.87.36.0/22TechAcceleratorarinUS100
172.87.40.0/21Bloomip Inc.arinUS200
172.87.48.0/20Sentinel Technologies, Inc.arinUS3100
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 LLCarinUS12143
172.87.192.0/19HTarinUS119,5370
172.87.224.0/20Fevvo, IncarinUS180
172.87.240.0/20Net3 Inc.arinUS500
172.88.0.0/14Time Warner Cable Internet LLCarinUS128916
172.92.0.0/16Astound Broadband LLCarinUS110
172.93.0.0/18VegasNAP, LLCarinUS5330
172.93.64.0/20Allied International Corp of VA.arinUS100
172.93.80.0/20Allo telecomarinCA101
172.93.96.0/20ReliableSite.Net LLCarinUS411,9464
172.93.112.0/21Integrity NetworksarinUS100
172.93.120.0/22Host4Geeks LLCarinUS41,5220
172.93.124.0/22Mikmaw KinamatneweyarinCA100
172.93.128.0/17Nexeon Technologies, Inc.arinUS333890
172.94.0.0/17Secure Internet LLCarinUS9060
172.94.128.0/17FDCservers.netarinUS000
172.95.0.0/16Frontier Communications CorporationarinUS511
172.96.0.0/21Mean ServersarinUS1100
172.96.8.0/21Heymman ServersarinUS11,4010
172.96.16.0/22Ferric Systems, LLCarinUS11080
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, LLCarinUS323730
172.96.96.0/20Amazon Corporate LLCarinUS100
172.96.112.0/20VPS.TOarinUS8690
172.96.128.0/18Versaweb, LLCarinUS37270
172.96.192.0/18VOI NET SOLUTIONSarinCA000
172.97.0.0/21Yucca TelecomarinUS400
172.97.8.0/21Iristel IncarinCA120
172.97.16.0/20Foothills Rural Telephone Cooperative CoarinUS300
172.97.32.0/20Hotwire CommunicationsarinUS110
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 LLCarinUS73150
172.97.72.0/21WiMAX Express Inc.arinUS100
172.97.80.0/20Fiber GalaxyarinUS42900
172.97.96.0/22Northland CommunicationsarinUS431
172.97.100.0/22Brownrice Internet, Inc.arinUS11,3860
172.97.104.0/21NOTO CommunicationsarinUS600
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.arinCA24018
172.98.0.0/18TelentiaarinUS8870
172.98.64.0/19Total Server Solutions L.L.C.arinUS291,4905
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.arinUS61,47534
172.98.208.0/21Electro Nebula LLCarinUS71470
172.98.216.0/22Highlands Union BankarinUS100
172.98.220.0/22XL Broadband Inc.arinUS400
172.98.224.0/20HA SERVERS, LLCarinUS1150
172.98.240.0/20Cap Rock Telephone Cooperative, Inc.arinUS150
172.99.0.0/22Soundview Broadcasting, LLCarinUS270
172.99.4.0/22Nerium International, LLCarinUS1600
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 HostingarinUS2227,1990
172.99.128.0/17Roya Hosting LLCarinUS300
172.100.0.0/15Time Warner Cable Internet LLCarinUS11089
172.102.4.0/22Hoyos Consulting LLCarinUS150
172.102.8.0/21Google Inc.arinUS700
172.102.16.0/20Cooperative de cablodistribution de l'ararinCA1180
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.arinUS1100
172.102.192.0/19Aventice LLCarinUS16710
172.102.224.0/22Choice Communications, LLCarinVI100
172.102.228.0/22Lakeland NetworksarinCA110
172.102.232.0/21DLVR, Inc.arinUS820
172.102.240.0/21Ontario Datacenter LLCarinUS91310
172.102.248.0/22Ukiah WirelessarinUS100
172.102.252.0/22WestNet Nevada, LLCarinUS400
172.103.0.0/19Midcontinent Media, Inc.arinUS1150
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 LimitedarinVG1110
172.103.128.0/17Cipherkey Exchange Corp.arinCA1141
172.104.0.0/15LinodearinUS000
172.106.0.0/15Psychz NetworksarinUS8787,7458
172.108.0.0/16Frontier Communications CorporationarinUS1000
172.109.0.0/16Frontier Communications CorporationarinUS210
172.110.0.0/19Subnet Labs LLCarinUS264,9982
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.arinCA3500
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.arinUS22290
172.110.224.0/20Stellar Association, LLCarinUS100
172.110.240.0/22AYERA TECHNOLOGIES, INC.arinUS232
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
172.111.64.0/18FastlyarinUS16140
172.111.128.0/17Secure Internet LLCarinUS71100
172.112.0.0/13Time Warner Cable Internet LLCarinUS11119
172.120.0.0/15EGIHostingarinUS180
172.122.0.0/15KW DatacenterarinCA020
172.124.0.0/14AT&T Internet ServicesarinUS15560
172.128.0.0/10AOL Inc.arinUS291971
172.192.0.0/13FOXTEL Management Pty LtdapnicAU1273
172.200.0.0/13AOL Inc.arinUS8180
172.208.0.0/13AOL Inc.arinUS720
172.216.0.0/16AOL Inc.arinUS110
172.217.0.0/16Google Inc.arinUS616,0920
172.218.0.0/15TELUS Communications Inc.arinCA2331
172.220.0.0/14BRIGHT HOUSE NETWORKS, LLCarinUS090
172.224.0.0/12Akamai Technologies, Inc.arinUS921680
172.240.0.0/15Nobis Technology Group, LLCarinUS436,0480
172.242.0.0/15ViaSat,Inc.arinUS36319
172.244.0.0/16Comcast Cable Communications, LLCarinUS100
172.245.0.0/16ColoCrossingarinUS717,00416
172.246.0.0/16Enzu IncarinUS14159,6711
172.247.0.0/16CloudRadium L.L.CarinUS11432,31710
172.248.0.0/14Time Warner Cable Internet LLCarinUS131319
172.252.0.0/16EGIHostingarinUS421,4220
172.253.0.0/16Google Inc.arinUS100
172.254.0.0/16Time Warner Cable Internet LLCarinUS2170
172.255.0.0/19Nobis Technology Group, LLCarinUS22380
172.255.32.0/20Nobis Technology Group, LLCarinUS3130
172.255.48.0/20Gossamer Threads Inc.arinCA4160
172.255.64.0/18Nobis Technology Group, LLCarinUS91910
172.255.128.0/17Nobis Technology Group, LLCarinUS82110

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