172.58.208.0/21

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 172.58.208.0/21

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 172.58.0.0/16

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
85.222.246.181	AS198089 IP Visie Networking B.V.	`0.20ms` from Amsterdam, NL
194.150.59.101	AS3257 GTT Communications Inc.	`0.33ms` from Amsterdam, NL
69.252.166.37	AS7922 Comcast Cable Communications, LLC	`2.21ms` from Ashburn, US
69.132.222.21	AS11426 Charter Communications Inc	`16.42ms` from Charlotte, US
35.134.82.133	AS20115 Charter Communications LLC	`3.94ms` from Dallas, US
66.201.142.165	AS10835 Visionary Communications LLC	`4.40ms` from Denver, US
109.145.219.181	AS2856 British Telecommunications PLC	`4.51ms` from Erith, GB
20.113.61.5	AS8075 Microsoft Corporation	`0.27ms` from Frankfurt am Main, DE
80.5.2.37	AS5089 Virgin Media Limited	`6.79ms` from London, GB
32.141.15.181	AS7018 AT&T Enterprises, LLC	`1.30ms` from Los Angeles, US
80.39.204.101	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.35ms` from Madrid, ES
83.99.150.117	AS24651 JSC BALTICOM	`0.54ms` from Riga, LV
181.104.131.133	AS7303 Telecom Argentina S.A.	`0.81ms` from Rosario, AR
98.207.9.85	AS7922 Comcast Cable Communications, LLC	`6.32ms` from San Jose, US
204.122.31.117	AS62943 Bluebird Network	`4.69ms` from St. Louis, US
36.228.170.5	AS3462 Data Communication Business Group	`2.10ms` from Taipei, TW
124.251.239.5	AS9802 Abitcool(China) Inc.	`4.81ms` from Tianjin, CN
82.172.6.69	AS50266 Odido Netherlands B.V.	`3.75ms` from Amsterdam, NL
198.210.16.85	AS27357 Rackspace Hosting	`0.44ms` from Ashburn, US
124.121.237.197	AS17552 True Online	`3.46ms` from Bangkok, TH
141.30.46.197	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`3.93ms` from Berlin, DE
81.180.252.21	AS34304 Teen Telecom SRL	`0.47ms` from Bucharest, RO
61.157.24.37	AS4134 CHINANET-BACKBONE	`3.58ms` from Chengdu, CN
103.7.130.229	AS132215 Powergrid Teleservices Limited	`1.55ms` from Chennai, IN
109.185.214.21	AS8926 Moldtelecom SA	`3.12ms` from Chisinau, MD

Traceroute

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

traceroute -a -n -q1 -m6 172.58.215.134

traceroute to 172.58.215.134 (172.58.215.134): 6 hops max, 52 byte packets

1 [AS7195] 200.25.32.194 0.118 ms

2 *

3 [AS7195] 200.25.51.107 45.226 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Santiago de Queretaro, MX

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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