172.56.86.0/23

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 172.56.86.0/23

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 7 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

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
150.125.73.119	AS668 United States Department of Defense (DoD)	`0.51ms` from Atlanta, US
3.30.177.167	AS8987 Amazon Data Services Ireland Ltd	`0.31ms` from Boardman, US
109.131.200.247	AS5432 Proximus NV	`2.50ms` from Brussels, BE
84.145.251.87	AS3320 Deutsche Telekom AG	`5.85ms` from Frankfurt am Main, DE
145.239.210.23	AS16276 OVH SAS	`0.09ms` from Gravelines, FR
108.27.17.55	AS701 Verizon Business	`2.58ms` from New York City, US
47.104.227.199	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.11ms` from Qingdao, CN
178.64.17.103	AS12389 PJSC Rostelecom	`17.47ms` from Saint Petersburg, RU
94.246.50.247	AS34087 NTE TELEKOM AS	`10.23ms` from Sandefjord, NO
222.116.35.119	AS4766 Korea Telecom	`10.36ms` from Seoul, KR
4.230.43.55	AS8075 Microsoft Corporation	`0.32ms` from Seoul, KR
197.7.11.87	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`9.12ms` from Tunis, TN
98.229.71.119	AS7922 Comcast Cable Communications, LLC	`5.33ms` from Boston, US
45.244.69.39	AS24863 Link Egypt (Link.NET)	`19.55ms` from Cairo, EG
117.193.236.71	AS9829 National Internet Backbone	`8.31ms` from Chennai, IN
120.41.40.71	AS4134 CHINANET-BACKBONE	`5.31ms` from Fuzhou, CN
135.116.222.39	AS8075 Microsoft Corporation	`0.19ms` from Gaevle, SE
80.39.156.87	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.06ms` from Madrid, ES
217.87.22.71	AS3320 Deutsche Telekom AG	`5.78ms` from Nuernberg, DE
179.98.152.103	AS27699 TELEFÔNICA BRASIL S.A	`1.66ms` from Osasco, BR
181.2.101.183	AS7303 Telecom Argentina S.A.	`1.53ms` from Buenos Aires, AR
87.193.183.119	AS20676 Plusnet GmbH	`1.80ms` from Hamburg, DE
95.144.197.71	AS2856 British Telecommunications PLC	`1.40ms` from London, GB
36.27.171.183	AS4134 CHINANET-BACKBONE	`8.91ms` from Nanchang, CN
111.76.162.23	AS4134 CHINANET-BACKBONE	`3.51ms` from Nanchang, CN

Traceroute

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

traceroute -a -n -q1 -m5 172.56.86.175

traceroute to 172.56.86.175 (172.56.86.175): 5 hops max, 52 byte packets

1 [AS44709] 83.229.73.2 0.108 ms

2 [AS1680] 212.143.43.242 0.191 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Haifa, IL

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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