Data as of Nov 7, 2026
156.45.224.0/20
No anonymizer space · no proxy exits in 30 daysAlarm.com, Inc.
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 156.45.224.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.225.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.226.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.227.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.228.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.232.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.233.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.234.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.235.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. | |
| 156.45.236.0/24 since Apr 2026 | AS8075 | Hosting | Alarm.com, Inc. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 2,560 | 63% | 10 | |
| Business | 1,536 | 38% | 2 |
Network & registry
Origin network
AS46513
US
- Name
- Alarm.com, Inc.
- Type
- Business
- Registered
- Feb 17, 2015
- Domain
- alarm.com
- Industry
- Buildings, Repair, Maintenance (Pest Control, Landscaping, Cleaning, Locksmiths, Car Washes, etc)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46513 | ARIN | 8281 Greensboro Drive. Suite 100 | MNT-ALARM-14 | Jul 9, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 156.45.224.0/21 | AS8075 | ARIN | Alarm.com, Inc. | MNT-ALARM-14 | Jul 9, 2026 |
| 156.45.232.0/23 | AS20170 | RADB | Forced Object Correction | MAINT-AS7132 | Nov 13, 2023 |
| 156.45.234.0/23 | AS20170 | RADB | Forced Object Correction | MAINT-AS7132 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 156.
45. 224. 0/ 20 - Netname
- ALARM-14
- Registrant
- Alarm.com, Inc.
- Organization
- Alarm.com, Inc. (ALARM-14)
- Org address
- 8281 Greensboro Drive. Suite 100, Tysons, VA, 22102
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-156-45-224-0-1
- Parent
- NET-156-0-0-0-0
- Created
- Dec 9, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 9, 2025
- Status
- assigned
Report abuse
Abuse contact
- afreixas@
alarm. com - Name
- Freixas, Alex
- Phone
- +1-703-839-0812
- Handle
- FREIX-ARIN