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:      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 172.58.208.0/21

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
172.58.209.26	sherief.net	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

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
208.235.248.133	AS11273 Fiserv Solutions, LLC	`1.37ms` from Atlanta, US
219.65.99.21	AS4755 TATA Communications formerly VSNL is Leading ISP	`0.45ms` from Bengaluru, IN
184.70.196.69	AS6327 Shaw Communications	`1.01ms` from Calgary, CA
175.152.82.245	AS4837 CHINA UNICOM China169 Backbone	`3.20ms` from Chengdu, CN
198.245.157.229	AS32625 OFFSITE, LLC	`2.93ms` from Chicago, US
174.105.190.5	AS10796 Charter Communications Inc	`10.78ms` from Columbus, US
47.89.53.85	AS45102 Alibaba (US) Technology Co., Ltd.	`0.91ms` from Hong Kong, HK
193.136.116.229	AS1930 Fundacao para a Ciencia e a Tecnologia, I.P.	`0.82ms` from Lisbon, PT
88.55.140.181	AS3269 Telecom Italia S.p.A.	`2.07ms` from Milan, IT
95.53.103.213	AS12389 PJSC Rostelecom	`16.88ms` from Saint Petersburg, RU
118.58.206.197	AS4766 Korea Telecom	`5.26ms` from Seoul, KR
221.163.228.37	AS4766 Korea Telecom	`1.28ms` from Seoul, KR
125.124.183.197	AS58461 CT-HangZhou-IDC	`5.08ms` from Shanghai, CN
27.17.220.245	AS137266 CHINATELECOM Hubei province Wuhan 5G network	`2.16ms` from Wuhan, CN
5.32.8.229	AS15802 Emirates Integrated Telecommunications Company PJSC	`1.57ms` from Abu Dhabi, AE
167.150.0.37	AS399347 Simple Fiber, LLC	`5.60ms` from Ashburn, US
139.91.190.69	AS8522 Foundation of Research and Technology Hellas	`8.04ms` from Athens, GR
117.131.140.181	AS38019 tianjin Mobile Communication Company Limited	`4.62ms` from Beijing, CN
85.66.143.165	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`8.86ms` from Budapest, HU
177.50.240.37	AS26615 TIM S/A	`14.20ms` from Fortaleza, BR
197.156.235.181	AS30988 IS InternetSolutions Limited	`0.65ms` from Lagos, NG
173.239.211.21	AS206092 F.N.S. HOLDINGS LIMITED	`0.35ms` from New York City, US
45.66.60.53	AS64267 Sprious LLC	`0.17ms` from Osasco, BR
18.214.159.213	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
128.15.151.165	AS45 Lawrence Livermore National Laboratory	`2.57ms` from San Jose, US

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 172.58.208.26

traceroute to 172.58.208.26 (172.58.208.26): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.57 0.078 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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