172.56.98.0/23

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 172.56.98.0/23

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 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

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
4.245.4.71	AS8075 Microsoft Corporation	`0.30ms` from Amsterdam, NL
93.224.98.39	AS3320 Deutsche Telekom AG	`6.86ms` from Duesseldorf, DE
90.198.159.7	AS5607 Sky UK Limited	`5.45ms` from Erith, GB
79.207.157.71	AS3320 Deutsche Telekom AG	`3.79ms` from Hamburg, DE
95.10.60.39	AS9121 Turk Telekomunikasyon Anonim Sirketi	`9.57ms` from Istanbul, TR
73.46.58.7	AS7922 Comcast Cable Communications, LLC	`9.67ms` from Miami, US
69.131.90.119	AS4181 TDS TELECOM	`4.26ms` from Monticello, US
200.233.246.215	AS16735 ALGAR TELECOM S/A	`1.02ms` from Osasco, BR
18.209.114.183	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
46.147.236.135	AS42116 JSC "ER-Telecom Holding"	`11.56ms` from Samara, RU
211.225.70.183	AS4766 Korea Telecom	`4.55ms` from Seoul, KR
115.55.163.231	AS4837 CHINA UNICOM China169 Backbone	`2.56ms` from Zhengzhou, CN
107.12.147.103	AS11426 Charter Communications Inc	`17.46ms` from Charlotte, US
47.108.75.39	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.09ms` from Chengdu, CN
132.251.250.231	AS27839 Comteco Ltda	`5.13ms` from La Paz, BO
120.158.139.87	AS1221 Telstra Limited	`8.32ms` from Melbourne, AU
187.234.240.23	AS8151 UNINET	`5.26ms` from Mexico City, MX
3.96.168.167	AS16509 Amazon.com, Inc.	`0.69ms` from Montreal, CA
153.215.242.39	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.32ms` from Osaka, JP
42.150.10.247	AS9824 JCOM Co., Ltd.	`18.71ms` from Osaka, JP
146.168.49.151	AS11776 Breezeline	`11.09ms` from Philadelphia, US
88.146.11.199	AS29208 Quantcom, a.s.	`5.95ms` from Prague, CZ
44.223.172.215	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
54.227.195.23	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
211.60.6.7	AS3786 LG DACOM Corporation	`3.16ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -m6 172.56.99.224

traceroute to 172.56.99.224 (172.56.99.224): 6 hops max, 52 byte packets

1 [AS31898] 140.204.222.176 0.18 ms

2 [AS21928] 66.94.0.89 0.715 ms

3 [AS21928] 66.94.0.88 0.68 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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