Data as of Nov 5, 2026
72.250.80.0/20
No anonymizer space · no proxy exits in 30 daysFlexential Colorado Corp. · space held by T-Mobile USA, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.250.0.0/17 since May 2005 | AS21928 | Mobile | 45 1 always on | T-Mobile USA, Inc. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 72.250.80.0/21 since Feb 2020 | AS13649 | Hosting | T-Mobile USA, Inc. | |
| 72.250.88.0/21 since Feb 2020 | AS13649 | Hosting | T-Mobile USA, Inc. |
Network & registry
Origin network
AS13649
US
- Name
- Flexential Colorado Corp.
- Type
- Hosting
- Registered
- Jul 22, 1999
- Domain
- viawest.com
- Website
- www.flexential.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2016
- Current origin since
- Mar 2020 · 6.6 yr
- Origin networks
- 2
- Last change of origin
- Mar 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.250.0.0/17 | AS13649 | /24 | ARIN | RPKI valid |
| 72.250.0.0/17 | AS21928 | /18 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13649 | RADB | Proxy route object registered by Flexential for customer | MAINT-FLEXENTIAL | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
250. 0. 0/ 17 - Netname
- XX
- 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-72-250-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Feb 15, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
t-mobile. com - Name
- abuse
- Phone
- +1-888-662-4662
- Handle
- ABUSE4857-ARIN