172.59.40.0/21

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 172.59.40.0/21

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 172.59.0.0/16

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
172.59.40.213	roblesbracken.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

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
13.110.254.245	AS14340 Salesforce.com, Inc.	`0.48ms` from Ashburn, US
101.42.65.69	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.76ms` from Beijing, CN
92.114.129.37	AS8926 Moldtelecom SA	`4.93ms` from Chisinau, MD
87.169.18.53	AS3320 Deutsche Telekom AG	`2.90ms` from Duesseldorf, DE
95.112.244.21	AS6805 Telefonica Germany GmbH & Co.OHG	`2.15ms` from Hamburg, DE
188.86.20.213	AS12430 VODAFONE ESPANA S.A.U.	`5.04ms` from Madrid, ES
37.215.120.85	AS6697 Republican Unitary Telecommunication Enterprise Beltelecom	`2.63ms` from Minsk, BY
72.229.159.37	AS12271 Charter Communications Inc	`11.25ms` from New York City, US
125.204.143.85	AS4713 NTT DOCOMO BUSINESS,Inc.	`9.25ms` from Osaka, JP
128.116.86.197	AS22697 Roblox	`0.17ms` from Osasco, BR
39.83.27.213	AS4837 CHINA UNICOM China169 Backbone	`8.10ms` from Qingdao, CN
212.43.117.245	AS21034 Micso Information Technology Srl	`9.54ms` from Rome, IT
166.88.246.37	AS18779 EGIHosting	`0.19ms` from Santa Clara, US
12.233.45.37	AS7018 AT&T Enterprises, LLC	`1.72ms` from Secaucus, US
106.96.6.149	AS17853 LGTELECOM	`18.83ms` from Seoul, KR
79.132.28.53	AS29084 ComNet Bulgaria	`6.97ms` from Sofia, BG
111.19.163.149	AS9808 China Mobile Communications Group Co., Ltd.	`18.07ms` from Wuhan, CN
182.112.96.117	AS4837 CHINA UNICOM China169 Backbone	`3.67ms` from Zhengzhou, CN
52.23.216.181	AS14618 Amazon.com, Inc.	`0.95ms` from Ashburn, US
34.199.43.21	AS14618 Amazon.com, Inc.	`0.47ms` from Ashburn, US
3.220.189.85	AS14618 Amazon.com, Inc.	`0.50ms` from Ashburn, US
96.33.127.101	AS20115 Charter Communications LLC	`12.51ms` from Atlanta, US
66.103.84.69	AS32841 Boingo Wireless, Inc.	`0.41ms` from Chicago, US
85.22.11.69	AS15763 DOKOM Gesellschaft fuer Telekommunikation mbH	`2.09ms` from Duesseldorf, DE
188.97.173.149	AS3209 Vodafone GmbH	`5.08ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -m5 172.59.45.218

traceroute to 172.59.45.218 (172.59.45.218): 5 hops max, 52 byte packets

1 [AS15169] 142.251.247.153 8.796 ms

2 [AS15169] 192.178.105.218 9.159 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Columbus, US

On March 20th 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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