Data as of Nov 5, 2026
199.16.243.0/24
No anonymizer space · no proxy exits in 30 daysLigaT Telecom Sociedade Unipessoal LDA · space held by Alpha1Servers, 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 |
|---|---|---|---|---|---|---|
| 199.16.240.0/22 | 1,024 | ALPHA1-NET-01 | Alpha1Servers, LLC (AL-2479) · US | Direct Allocation | Dec 30, 2019 | abuse@ |
| └ 199. | 768 | NET-ALPHA | Castro Telecom LLC (CTL-383) · US | Reallocated | May 7, 2024 | tomas. |
| └ 199.16.242.0/23 | 512 | LIGAT-TELECOM | LigaT Telecom Sociedade Unipessoal LDA (C11534817) · PT | Reassigned | Mar 5, 2026 | tomas. via NET-ALPHA |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Alpha1Servers, LLC
- Handle
- AL-2479
- Range
- 199.
16. 240. 0/ 22 - Registration type
- Direct Allocation
- Record created
- Dec 30, 2019
- Reallocated to
- Castro Telecom LLC (CTL-383)
- Reallocated range
- 199.
16. 241. 0 - 199. 16. 243. 255 - Reallocated
- May 7, 2024
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jul 2013
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 4
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS50666 | ARIN | 530-B HARKLE ROAD STE 100 | MNT-CTL-383 | Apr 19, 2026 |
| AS200454 not the origin | ALTDB | CASTRO TELECOM LLC | MAINT-CASTRO | Sep 3, 2023 |
| AS214913 not the origin | ARIN | 530-B HARKLE ROAD STE 100 | MNT-CTL-383 | Aug 26, 2025 |
| AS397525 not the origin | ARIN | Alpha1Servers LLC | MNT-AL-2479 | Nov 11, 2021 |
Whois
Registration for this announcement
- Range
- 199.
16. 242. 0/ 23 - Netname
- LIGAT-TELECOM
- Registrant
- LigaT Telecom Sociedade Unipessoal LDA
- Organization
- LigaT Telecom Sociedade Unipessoal LDA (C11534817)
- Type
- Reassigned
- Handle
- NET-199-16-242-0-1
- Parent
- NET-199-16-241-0-1
- Created
- Mar 5, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 30, 2019
- Status
- assigned
Report abuse
Abuse contact
- tomas.
leite. castro@ tecnico. ulisboa. pt - Name
- Tomas Oliveira Valente Leite de Castro
- Phone
- +1-202-555-0109
- Handle
- TOVLC-ARIN