Data as of Nov 10, 2026
75.123.131.0/24
No anonymizer space · no proxy exits in 30 daysT-Mobile USA, Inc.
Network & registry
Announced by
Covering announcement 75.123.128.0/17
- Prefix
- 75.123.128.0/17
- Announced by
- AS21928 T-Mobile USA, Inc.
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- TMUS-75-122
- Registrant
- T-Mobile USA, Inc.
- RIR
- ARIN
Origin network
AS21928
US
- Name
- T-Mobile USA, Inc.
- Type
- Internet provider
- Registered
- Jun 12, 2002
- Domain
- t-mobile.com
- Website
- www.t-mobile.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 75.123.128.0/17
75.123.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Apr 2025
- Current origin since
- Apr 2025 · 1.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 75.122.0.0/15 | AS21928 | /24 | ARIN | RPKI valid |
IRR
Route objects on 75.123.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21928 | ARIN | xx | MNT-TMOBI | May 2, 2025 |
Whois
Registration for this announcement
- Range
- 75.
122. 0. 0/ 15 - Netname
- TMUS-75-122
- Registrant
- T-Mobile USA, Inc.
- Organization
- T-Mobile USA, Inc. (TMOBI)
- Org address
- 12920 SE 38th Street, Bellevue, WA, 98006
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-75-122-0-0-1
- Parent
- NET-75-0-0-0-0
- Created
- May 25, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- May 25, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
t-mobile. com - Name
- abuse
- Phone
- +1-888-662-4662
- Handle
- ABUSE4857-ARIN