172.56.80.0/23

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:      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:        [email protected]
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:        2025-01-09
OfficePhone:    +1-888-662-4662
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 172.56.80.0/23

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 172.56.0.0/16

Range	ASN	Company	Num of IPs
172.32.0.0/11	AS21928	T-Mobile USA, Inc.	2,097,152

Hosted domains

There are 3 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
172.56.81.106	bubbbly.site	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
66.245.191.199	AS33218 Belzoni Cable, LLC	`0.44ms` from Atlanta, US
91.146.143.151	AS8462 Tarr Kft.	`11.13ms` from Budapest, HU
58.245.65.183	AS4837 CHINA UNICOM China169 Backbone	`11.47ms` from Changchun, CN
104.51.229.247	AS7018 AT&T Enterprises, LLC	`8.39ms` from Chicago, US
52.169.42.103	AS8075 Microsoft Corporation	`0.18ms` from Dublin, IE
23.67.135.231	AS16625 Akamai Technologies, Inc.	`0.32ms` from Frankfurt am Main, DE
150.241.176.39	AS55201 SkyQuantum Internet Service	`0.23ms` from Fremont, US
113.106.115.7	AS4134 CHINANET-BACKBONE	`4.65ms` from Guangzhou, CN
183.156.146.151	AS4134 CHINANET-BACKBONE	`6.95ms` from Hangzhou, CN
173.176.113.39	AS5769 Videotron Ltee	`9.01ms` from Montreal, CA
142.118.209.247	AS577 Bell Canada	`1.67ms` from Montreal, CA
74.50.81.151	AS19318 Interserver, Inc	`0.64ms` from New York City, US
39.66.175.71	AS4837 CHINA UNICOM China169 Backbone	`6.70ms` from Qingdao, CN
122.30.20.119	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.13ms` from Tokyo, JP
188.4.167.167	AS1241 Forthnet	`2.01ms` from Athens, GR
5.54.65.7	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`5.31ms` from Athens, GR
70.73.165.183	AS6327 Shaw Communications	`3.90ms` from Calgary, CA
74.67.182.183	AS11351 Charter Communications Inc	`18.22ms` from Chicago, US
65.52.18.151	AS8075 Microsoft Corporation	`0.31ms` from Chicago, US
192.252.199.183	AS13490 Buckeye Cablevision, Inc.	`10.50ms` from Detroit, US
91.54.23.183	AS3320 Deutsche Telekom AG	`4.40ms` from Duesseldorf, DE
77.2.175.167	AS6805 Telefonica Germany GmbH & Co.OHG	`8.96ms` from Frankfurt am Main, DE
112.124.105.135	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.65ms` from Hangzhou, CN
36.63.12.55	AS4134 CHINANET-BACKBONE	`6.58ms` from Huai'an, CN
69.149.151.247	AS7018 AT&T Enterprises, LLC	`1.82ms` from Kansas City, US

Traceroute

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

traceroute -a -n -q1 -m6 172.56.80.216

traceroute to 172.56.80.216 (172.56.80.216): 6 hops max, 52 byte packets

1 [AS31898] 140.204.222.190 0.199 ms

2 [AS21928] 66.94.0.89 0.635 ms

3 [AS21928] 66.94.0.88 0.614 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On November 28th 2025

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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