172.58.8.0/21

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:      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 172.58.8.0/21

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 are 5 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
172.58.15.225	littlewoodshome.com	1
172.58.13.105	kndev.net	1
172.58.10.26	verify4.racing	1
172.58.10.221	npkazing.com	1
172.58.9.104	rateyourneurologist.org	1

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

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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
20.241.218.5	AS8075 Microsoft Corporation	`0.38ms` from Ashburn, US
221.197.230.101	AS4837 CHINA UNICOM China169 Backbone	`5.54ms` from Beijing, CN
75.11.203.245	AS7018 AT&T Enterprises, LLC	`1.76ms` from Los Angeles, US
81.43.124.21	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.37ms` from Madrid, ES
109.252.244.229	AS25513 PJSC Moscow city telephone network	`1.64ms` from Moscow, RU
58.216.0.5	AS134769 ChinaNet Jiangsu Changzhou Liyang IDC network	`2.74ms` from Nanjing, CN
154.49.202.69	AS174 Cogent Communications, LLC	`0.79ms` from Paris, FR
24.229.208.133	AS3737 PenTeleData Inc.	`11.32ms` from Philadelphia, US
82.209.60.213	AS30764 PODA a.s.	`1.54ms` from Prague, CZ
99.68.91.181	AS7018 AT&T Enterprises, LLC	`5.95ms` from San Antonio, US
119.71.244.85	AS17858 LG POWERCOMM	`2.49ms` from Seoul, KR
110.15.224.165	AS9318 SK Broadband Co Ltd	`1.21ms` from Seoul, KR
13.251.3.197	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
113.228.26.37	AS4837 CHINA UNICOM China169 Backbone	`3.42ms` from Tieling, CN
18.191.105.165	AS16509 Amazon.com, Inc.	`0.20ms` from Columbus, US
93.163.159.149	AS3292 TDC Holding A/S	`1.66ms` from Copenhagen, DK
34.136.179.245	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
217.91.213.133	AS3320 Deutsche Telekom AG	`7.41ms` from Duesseldorf, DE
46.8.226.229	AS56971 AS56971 Cloud	`0.32ms` from Hong Kong, HK
218.239.31.181	AS9318 SK Broadband Co Ltd	`7.77ms` from Incheon, KR
49.248.69.133	AS17762 Tata Teleservices Maharashtra Ltd	`0.55ms` from Mumbai, IN
124.30.208.197	AS9583 Sify Limited	`1.86ms` from Mumbai, IN
112.249.108.5	AS4837 CHINA UNICOM China169 Backbone	`5.01ms` from Qingdao, CN
60.117.131.101	AS17676 SoftBank Corp.	`2.93ms` from Tokyo, JP
200.175.243.101	AS18881 TELEFÔNICA BRASIL S.A	`3.51ms` from Brasilia, BR

Traceroute

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

traceroute -a -n -q1 -f4 -m7 172.58.15.36

traceroute to 172.58.15.36 (172.58.15.36): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.57 0.076 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Liuzhou, CN

On March 21st 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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