172.56.22.0/23

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:      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:        2026-01-08
OfficePhone:    +1-888-662-4662
Mailbox:        ARINtechcontact@t-mobile.com
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

Overlapping Ranges

BGP prefixes that contain 172.56.22.0/23

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 are no domains currently hosted on this ASN.

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
155.138.212.103	AS20473 The Constant Company, LLC	`0.18ms` from Atlanta, US
95.9.201.23	AS9121 Turk Telekomunikasyon Anonim Sirketi	`18.18ms` from Bursa, TR
103.170.204.231	AS142605 YetFix Limited	`0.27ms` from Dhaka, BD
37.52.46.183	AS6849 JSC "Ukrtelecom"	`7.79ms` from Kyiv, UA
152.89.67.135	AS208118 N.I Technology Ltd.	`11.51ms` from London, GB
90.222.149.247	AS5607 Sky UK Limited	`3.56ms` from London, GB
87.3.204.199	AS3269 Telecom Italia S.p.A.	`1.27ms` from Milan, IT
180.9.70.199	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.92ms` from Osaka, JP
62.10.211.55	AS8070 Microsoft Corporation	`19.03ms` from San Antonio, US
201.106.76.135	AS8151 UNINET	`4.13ms` from Santiago de Queretaro, MX
99.229.57.103	AS812 Rogers Communications Canada Inc.	`4.35ms` from Toronto, CA
73.126.48.231	AS7922 Comcast Cable Communications, LLC	`7.90ms` from Boston, US
87.121.74.231	AS134697 Launtel	`0.73ms` from Brisbane, AU
176.68.157.167	AS1257 Tele2 Sverige AB	`2.44ms` from Copenhagen, DK
34.60.192.167	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
43.131.5.39	AS132203 Tencent Building, Kejizhongyi Avenue	`0.34ms` from Frankfurt am Main, DE
217.235.39.7	AS3320 Deutsche Telekom AG	`2.06ms` from Hamburg, DE
86.175.224.103	AS2856 British Telecommunications PLC	`4.16ms` from London, GB
174.112.121.231	AS812 Rogers Communications Canada Inc.	`6.44ms` from Montreal, CA
43.175.108.87	AS139341 ACE	`0.26ms` from Osaka, JP
219.162.233.39	AS4713 NTT DOCOMO BUSINESS,Inc.	`13.34ms` from Osaka, JP
24.156.195.103	AS7992 Cogeco Connexion Inc.	`7.34ms` from Toronto, CA
178.189.101.215	AS8447 A1 Telekom Austria AG	`4.68ms` from Vienna, AT
203.184.52.39	AS9790 Two Degrees Networks Limited	`1.31ms` from Auckland, NZ
216.212.17.183	AS13977 Fidium	`2.50ms` from Boston, US

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 172.56.22.69

traceroute to 172.56.22.69 (172.56.22.69): 6 hops max, 52 byte packets

2 [] 84.17.33.142 288.142 ms

3 [] 138.199.0.107 0.184 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On March 20th 2026

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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