Data as of Nov 10, 2026
173.243.149.36/30
No anonymizer space · no proxy exits in 30 daysTowerstream I, Inc.
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 2026
its first announcement on record
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.243.144.0/20 | 4,096 | TWRS | Towerstream I, Inc. (TOWER-20) · US | Direct Allocation | Jun 3, 2010 | abuse@ |
| └ 173.243.149.36/30 | 4 | BLOCK-ENTERTAINMENT-GROUP | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 173.243.144.0/21
- Prefix
- 173.243.144.0/21
- Announced by
- AS29930 Towerstream I, Inc.
- Type
- Residential
- RPKI
- No RPKI
- Netname
- TWRS
- Registrant
- Towerstream I, Inc.
- RIR
- ARIN
Origin network
AS29930
US
- Name
- Towerstream I, Inc.
- Type
- Internet provider
- Registered
- Jun 11, 2003
- Domain
- towerstream.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 173.243.144.0/21
173.243.144.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 173.
243. 144. 0/ 20 - Netname
- TWRS
- Registrant
- Towerstream I, Inc.
- Organization
- Towerstream I, Inc. (TOWER-20)
- Org address
- 55 Hammerlund Way, Middletown, RI, 02842
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-243-144-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Jun 3, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 3, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
towerstream. com - Name
- ABUSE
- Phone
- +1-401-848-5848;ext241
- Handle
- ABUSE615-ARIN