172.58.128.0/21

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 172.58.128.0/21

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 6 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
172.58.128.220	agroiv.hu	2
172.58.132.47	neurosys.cloud	1
172.58.129.237	treymakestunes.com	1
172.58.133.10	rudyrestaurant.com	1
172.58.131.192	218.run	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
18.232.42.37	AS14618 Amazon.com, Inc.	`0.47ms` from Ashburn, US
184.12.120.133	AS5650 Frontier Communications of America, Inc.	`18.55ms` from Ashburn, US
190.85.130.149	AS14080 Telmex Colombia S.A.	`1.41ms` from Bogota, CO
174.169.132.69	AS7922 Comcast Cable Communications, LLC	`9.81ms` from Boston, US
20.158.62.149	AS8070 Microsoft Corporation	`0.64ms` from Boydton, US
132.232.70.245	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.82ms` from Chengdu, CN
3.127.40.69	AS16509 Amazon.com, Inc.	`0.46ms` from Frankfurt am Main, DE
154.95.147.213	AS134175 SH2206-AP	`0.71ms` from Hong Kong, HK
218.189.100.37	AS9304 HGC Global Communications Limited	`0.47ms` from Hong Kong, HK
118.222.17.197	AS9318 SK Broadband Co Ltd	`3.33ms` from Incheon, KR
187.60.91.181	AS28220 Alares Cabo Servicos de Telecomunicacoes S.A.	`3.36ms` from Joao Pessoa, BR
12.221.214.197	AS7018 AT&T Enterprises, LLC	`4.59ms` from Los Angeles, US
83.48.40.133	AS3352 TELEFONICA DE ESPANA S.A.U.	`2.77ms` from Madrid, ES
176.149.117.197	AS5410 Bouygues Telecom SA	`1.91ms` from Marseille, FR
92.174.69.229	AS3215 Orange S.A.	`1.85ms` from Paris, FR
200.182.55.197	AS4230 CLARO S.A.	`0.62ms` from Sao Paulo, BR
192.95.53.69	AS16276 OVH SAS	`0.06ms` from Beauharnois, CA
71.169.184.5	AS13977 Fidium	`2.33ms` from Boston, US
107.175.211.101	AS36352 HostPapa	`0.08ms` from Buffalo, US
183.71.240.5	AS4134 CHINANET-BACKBONE	`1.37ms` from Chongqing, CN
3.136.40.245	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
8.134.60.117	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.11ms` from Guangzhou, CN
35.220.213.21	AS396982 Google LLC	`0.15ms` from Hong Kong, HK
121.123.160.5	AS9534 Binariang Berhad	`2.19ms` from Kuala Lumpur, MY
211.27.89.197	AS9443 Vocus Retail	`2.08ms` from Melbourne, AU

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 172.58.130.121

traceroute to 172.58.130.121 (172.58.130.121): 7 hops max, 52 byte packets

4 [AS21928] 100.199.0.57 0.083 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Liuzhou, CN

On March 13th 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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