172.56.60.0/23

AS21928 · T-Mobile USA, Inc.

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Summary

Country	United States
Domain	t-mobile.com
ASN	AS21928
Parent Range	172.32.0.0/11
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
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:        [email protected]
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:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 172.56.60.0/23

Range	ASN	Company	Num of IPs
172.32.0.0/11	AS21928	T-Mobile USA, Inc.	2,097,152

Nearby Ranges

BGP prefixes that overlap with 172.56.0.0/16

Range	ASN	Company	Num of IPs
172.32.0.0/11	AS21928	T-Mobile USA, Inc.	2,097,152

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
179.1.192.199	AS18678 INTERNEXA S.A. E.S.P	`0.62ms` from Bogota, CO
179.255.12.135	AS8167 V tal	`19.91ms` from Brasilia, BR
191.82.251.87	AS22927 Telefonica de Argentina	`18.54ms` from Buenos Aires, AR
67.161.202.71	AS7922 Comcast Cable Communications, LLC	`3.58ms` from Denver, US
48.209.168.151	AS8075 Microsoft Corporation	`0.18ms` from Dublin, IE
91.33.106.71	AS3320 Deutsche Telekom AG	`6.90ms` from Frankfurt am Main, DE
117.25.171.103	AS4134 CHINANET-BACKBONE	`5.51ms` from Fuzhou, CN
47.195.226.23	AS5650 Frontier Communications of America, Inc.	`7.56ms` from Miami, US
83.159.107.7	AS12322 Free SAS	`1.30ms` from Paris, FR
112.173.41.135	AS4766 Korea Telecom	`7.27ms` from Seoul, KR
59.21.174.7	AS4766 Korea Telecom	`8.66ms` from Seoul, KR
182.31.201.167	AS9694 Seokyung Cable Television Co.. Ltd.	`9.21ms` from Seoul, KR
111.217.172.231	AS2527 Sony Network Communications Inc.	`2.98ms` from Tokyo, JP
89.172.242.183	AS5391 Hrvatski Telekom d.d.	`2.13ms` from Zagreb, HR
191.104.166.55	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`3.39ms` from Bogota, CO
200.129.75.7	AS1916 Rede Nacional de Ensino e Pesquisa	`0.39ms` from Campina Grande, BR
86.132.20.103	AS2856 British Telecommunications PLC	`2.48ms` from Erith, GB
84.62.28.7	AS3209 Vodafone GmbH	`9.78ms` from Frankfurt am Main, DE
80.143.29.199	AS3320 Deutsche Telekom AG	`7.58ms` from Frankfurt am Main, DE
185.173.54.39	AS21283 A1 Slovenija telekomunikacijske storitve,d.d.	`2.41ms` from Ljubljana, SI
115.131.83.247	AS7545 TPG Telecom Limited	`11.26ms` from Melbourne, AU
2.90.54.55	AS25019 Saudi Telecom Company JSC	`4.76ms` from Riyadh, SA
117.16.170.183	AS18329 Sangmyung University	`4.75ms` from Seoul, KR
130.198.87.71	AS36351 IBM Cloud	`1.06ms` from Sydney, AU
43.235.59.199	AS17506 ARTERIA Networks Corporation	`2.55ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -m5 172.56.61.130

traceroute to 172.56.61.130 (172.56.61.130): 5 hops max, 52 byte packets

1 [AS15085] 66.219.24.81 0.273 ms

2 [AS15085] 74.112.175.108 0.497 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Asheville, US

On November 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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