172.56.170.0/23

AS21928 · T-Mobile USA, Inc.

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Summary

Country	United States
Domain	t-mobile.com
ASN	AS21928
Registry	ARIN
ID	TMO9

WHOIS Details

NetHandle:      NET-172-32-0-0-1
OrgID:          TMOBI
Parent:         NET-172-0-0-0-0
NetName:        TMO9
NetRange:       172.32.0.0 - 172.63.255.255
NetType:        allocation
OriginAS:       21928
Comment:        Geofeed https://raw.githubusercontent.com/tmobile/tmus-geofeed/main/tmus-geo-ip.txt
RegDate:        2012-09-18
Updated:        2020-11-18
Source:         ARIN


OrgID:          TMOBI
OrgName:        T-Mobile USA, Inc.
CanAllocate:    
Street:         12920 SE 38th Street
City:           Bellevue
State/Prov:     WA
Country:        US
PostalCode:     98006
RegDate:        2003-01-02
Updated:        2017-01-28
OrgAdminHandle: DNSAD11-ARIN
OrgTechHandle:  DNSAD11-ARIN
OrgAbuseHandle: ABUSE4857-ARIN
Source:         ARIN


POCHandle:      ABUSE4857-ARIN
IsRole:         Y
LastName:       abuse
FirstName:      
Street:         12920 SE 38th Street
City:           Bellevue
State/Prov:     WA
Country:        US
PostalCode:     98006
RegDate:        2014-09-23
Updated:        2025-05-27
OfficePhone:    +1-888-662-4662
Mailbox:        abuse@t-mobile.com
Source:         ARIN


POCHandle:      DNSAD11-ARIN
IsRole:         Y
LastName:       DNS Administrators
FirstName:      
Street:         12920 SE 38th Street
City:           Bellevue
State/Prov:     WA
Country:        US
PostalCode:     98027
RegDate:        2003-01-02
Updated:        2025-01-09
OfficePhone:    +1-888-662-4662
Mailbox:        ARINtechcontact@t-mobile.com
Source:         ARIN

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
91.41.238.151	AS3320 Deutsche Telekom AG	`2.19ms` from Berlin, DE
172.176.153.55	AS8075 Microsoft Corporation	`0.36ms` from Boydton, US
89.185.227.215	AS24971 MasterDC s.r.o.	`0.12ms` from Brno, CZ
46.33.234.183	AS31272 WildPark Co	`5.16ms` from Chisinau, MD
18.218.226.119	AS16509 Amazon.com, Inc.	`0.20ms` from Columbus, US
39.104.224.199	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.12ms` from Hohhot, CN
200.7.167.7	AS27828 UNIVERSIDAD MAYOR DE SAN ANDRES	`9.43ms` from La Paz, BO
128.0.43.55	AS205362 SKY WISP SERVICES LTD	`1.34ms` from Larnaca, CY
35.176.147.183	AS16509 Amazon.com, Inc.	`0.16ms` from London, GB
13.43.167.103	AS16509 Amazon.com, Inc.	`0.17ms` from London, GB
185.112.77.7	AS201453 Nostravant S.L.L.	`1.35ms` from Madrid, ES
151.62.7.71	AS1267 WIND TRE S.P.A.	`5.25ms` from Milan, IT
103.47.44.7	AS133653 Cyber Infrastructure (P) Limited	`12.35ms` from Mumbai, IN
35.200.136.135	AS396982 Google LLC	`0.09ms` from Mumbai, IN
223.165.86.87	AS10003 Ogaki Cable Television Co.,Inc.	`3.39ms` from Osaka, JP
52.143.186.215	AS8075 Microsoft Corporation	`0.16ms` from Paris, FR
60.71.151.39	AS17676 SoftBank Corp.	`2.85ms` from Tokyo, JP
50.100.40.71	AS577 Bell Canada	`4.69ms` from Toronto, CA
16.63.158.39	AS16509 Amazon.com, Inc.	`1.29ms` from Zuerich, CH
166.108.74.23	AS30103 Zoom Video Communications, Inc	`0.14ms` from Ashburn, US
162.129.45.55	AS5723 Johns Hopkins University	`4.28ms` from Ashburn, US
47.95.115.199	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.25ms` from Beijing, CN
75.245.223.103	AS6167 Verizon Business	`14.71ms` from Chicago, US
74.203.183.71	AS5777 Ribbon Communications Operating Company, Inc.	`3.61ms` from Dallas, US
223.179.135.39	AS24560 Bharti Airtel Ltd., Telemedia Services	`3.77ms` from Delhi, IN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f2 -m6 172.56.170.150

traceroute to 172.56.170.150 (172.56.170.150): 6 hops max, 52 byte packets

2 [] 91.200.241.86 0.259 ms

3 [AS6453] 216.6.52.68 0.236 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in San Jose, US

On August 28th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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