172.58.104.0/21

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 172.58.104.0/21

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 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
172.58.108.26	canigoracing.com	4
172.58.111.60	boydgrp.net	1
172.58.110.239	tovson.com	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
34.233.209.149	AS14618 Amazon.com, Inc.	`0.46ms` from Ashburn, US
91.82.32.85	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`5.26ms` from Budapest, HU
62.96.195.117	AS8220 COLT Technology Services Group Limited	`0.66ms` from Frankfurt am Main, DE
121.199.250.85	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.31ms` from Hangzhou, CN
51.92.123.69	AS16509 Amazon.com, Inc.	`5.60ms` from Madrid, ES
82.142.160.101	AS3216 PJSC "Vimpelcom"	`0.64ms` from Moscow, RU
13.225.76.21	AS16509 Amazon.com, Inc.	`0.57ms` from Osasco, BR
86.213.74.197	AS3215 Orange S.A.	`12.96ms` from Paris, FR
192.182.140.21	AS20055 Wholesail networks LLC	`1.57ms` from Quincy, US
205.121.194.85	AS210 Utah Education Network	`3.33ms` from Salt Lake City, US
58.56.196.165	AS4134 CHINANET-BACKBONE	`7.92ms` from Shijiazhuang, CN
18.143.67.197	AS16509 Amazon.com, Inc.	`0.10ms` from Singapore, SG
34.142.146.53	AS396982 Google LLC	`0.13ms` from Singapore, SG
202.247.210.101	AS17955 Densan Co., Ltd.	`7.36ms` from Tokyo, JP
77.61.99.213	AS1136 KPN B.V.	`0.47ms` from Amsterdam, NL
23.113.67.197	AS7018 AT&T Enterprises, LLC	`2.82ms` from Atlanta, US
44.253.159.69	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
98.157.244.101	AS10796 Charter Communications Inc	`7.12ms` from Cleveland, US
84.182.98.101	AS3320 Deutsche Telekom AG	`2.82ms` from Frankfurt am Main, DE
87.161.155.117	AS3320 Deutsche Telekom AG	`5.78ms` from Frankfurt am Main, DE
139.39.195.37	AS5972 United States Department of Defense (DoD)	`7.84ms` from Frankfurt am Main, DE
103.14.227.21	AS149136 AALO.VN DIGITAL TECHNOLOGY JOINT STOCK COMPANY	`0.27ms` from Hanoi, VN
105.228.35.37	AS37457 Telkom SA Ltd.	`12.39ms` from Johannesburg, ZA
81.174.238.197	AS6871 Plusnet	`8.43ms` from London, GB
92.92.139.117	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`10.21ms` from Lyon, FR

Traceroute

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

traceroute -a -n -q1 -m6 172.58.107.40

traceroute to 172.58.107.40 (172.58.107.40): 6 hops max, 52 byte packets

1 [AS31898] 140.204.222.164 0.178 ms

2 [AS21928] 66.94.0.89 12.551 ms

3 [AS21928] 66.94.0.88 0.77 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Ashburn, US

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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