Data as of Nov 6, 2026
57.138.4.0/24
No anonymizer space · no proxy exits in 30 daysDobson Technologies - Transport and Telecom Solutions, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 57.138.0.0/16 since Jul 2022 | AS30029 | Residential | 1,630 314 always on | Dobson Technologies - Transport and Telecom Solutions, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 57.138.0.0/16 | 65,536 | DTTTSL | Dobson Technologies - Transport and Telecom Solutions, LLC (DTTTSL) · US | Direct Allocation | Jul 18, 2022 | tclaydon@ |
| └ 57.138.4.0/22 | 1,024 | DF-LWTNOKXX-02-03-DYN-POOLS | Dobson Technologies - Transport and Telecom Solutions, LLC (DTTTSL) · US | Reassigned | Oct 10, 2022 | tclaydon@ |
Network & registry
Registry
Holder
- Organization
- Dobson Technologies - Transport and Telecom Solutions, LLC
- Handle
- DTTTSL
- Range
- 57.
138. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 18, 2022
Origin network
AS400662
US
- Name
- Dobson Technologies - Transport and Telecom Solutions, LLC
- Type
- Internet provider
- Registered
- Apr 21, 2022
- Domain
- dobson.net
- Website
- dobson.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 57.138.0.0/16 | AS30029 | /24 | ARIN | Another network |
| 57.138.0.0/16 | AS400662 | /24 | ARIN | RPKI valid |
| 57.138.0.0/16 | AS400666 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS400662 | ARIN | 14101 Wireless Way, Ste 300 | MNT-DTTTSL | Feb 18, 2026 |
Whois
Registration for this announcement
- Range
- 57.
138. 4. 0/ 22 - Netname
- DF-LWTNOKXX-02-03-DYN-POOLS
- Registrant
- Dobson Technologies - Transport and Telecom Solutions, LLC
- Organization
- Dobson Technologies - Transport and Telecom Solutions, LLC (DTTTSL)
- Org address
- 14101 Wireless Way, Ste 300, Oklahoma City, OK, 73134
- Org country
- US
- Type
- Reassigned
- Handle
- NET-57-138-4-0-1
- Parent
- NET-57-138-0-0-1
- Created
- Oct 10, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 18, 2022
- Status
- assigned
Report abuse
Abuse contact
- tclaydon@
dobson. net - Name
- Thomas L Claydon
- Phone
- +1-405-242-1084
- Handle
- TLC3-ARIN