Advertisements

Home -> 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
DescriptionAdministered by ARIN
LocationUnited States (US) flag
Registryarin
Number of domains hosted125,472
Number of nameservers hosted3,588
Number of mailservers hosted11,082
Number of SPAM hosts hosted995
Number of IP routes506

Subnets based on RIR allocations

SubnetDescriptionRIRCountry#routes#domains#spamhosts
172.0.0.0/12AT&T Internet ServicesarinUS11,06341
172.32.0.0/11T-Mobile USA, Inc.arinUS1276214
172.64.0.0/13CloudFlare, Inc.arinUS000
172.128.0.0/10AOL Inc.arinUS39712
172.192.0.0/13FOXTEL Management Pty LtdapnicAU150
172.200.0.0/13AOL Inc.arinUS8210
172.208.0.0/13AOL Inc.arinUS620
172.216.0.0/16AOL Inc.arinUS000
172.217.0.0/16Google Inc.arinUS100
172.218.0.0/15TELUS Communications Inc.arinCA2301
172.220.0.0/14BRIGHT HOUSE NETWORKS, LLCarinUS1100
172.224.0.0/12Akamai Technologies, Inc.arinUS2601,0380
172.240.0.0/15Nobis Technology Group, LLCarinUS4518,9920
172.242.0.0/15Viasat Communications Inc.arinUS353638
172.244.0.0/16Comcast Cable Communications, LLCarinUS100
172.245.0.0/16ColoCrossingarinUS2411,429565
172.246.0.0/16Enzu IncarinUS1345,21518
172.247.0.0/16CloudRadium L.L.CarinUS2827,7450
172.248.0.0/14Time Warner Cable Internet LLCarinUS1348104
172.252.0.0/16EGIHostingarinUS29,8560
172.253.0.0/16Google Inc.arinUS100
172.254.0.0/16Time Warner Cable Internet LLCarinUS12412
172.255.0.0/16Nobis Technology Group, LLCarinUS237,4400

Advertisements

Whois information

NetRange: 172.0.0.0 - 172.255.255.255
CIDR: 172.0.0.0/8
OriginAS:
NetName: NET172
NetHandle: NET-172-0-0-0-0
Parent:
NetType: Early Registrations, Maintained by ARIN
RegDate: 1993-05-01
Updated: 2010-06-30
Ref: http://whois.arin.net/rest/net/NET-172-0-0-0-0

OrgName: Various Registries (Maintained by ARIN)
OrgId: VR-ARIN
Address: 3635 Concord Parkway, Suite 200
City: Chantilly
StateProv: VA
PostalCode: 20151
Country: US
RegDate: 1993-05-01
Updated: 2011-09-24
Comment: Address space was assigned by the InterNIC regardless of
Comment: geographic region. The registrations are now being maintained
Comment: by various registries, and the in-addr.arpa delegations are
Comment: being maintained by ARIN.
Ref: http://whois.arin.net/rest/org/VR-ARIN

OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: removed email address
OrgTechRef: http://whois.arin.net/rest/poc/CKN23-ARIN

OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: removed email address
OrgAbuseRef: http://whois.arin.net/rest/poc/CKN23-ARIN

Other tools

Domain Neighbors

Find other websites hosted on the same web server

Whois Lookup

The Whois tool will query the right database and present the whois information in realtime. Just type a domain name, an IP address (IPv4 and IPv6) or an AS number

Tcp Ping

Find out how long it takes for packets to reach its destination. Works just like Ping but with a TCP connection.

Advertisements

Other services

Browser Addons

Our collection of browser extensions and apps.

Premium API

Premium API enables access for 3rd party services to our content and tools.

Premium Website Access

Premium website access is for the IT professional. You get extra page views, more alerts and extra features.