Data as of Nov 7, 2026
204.141.59.0/24
No anonymizer space · no proxy exits in 30 daysALARMNET · space held by NTT America, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.141.56.0/22 since Feb 2019 | AS36136 | Business | NTT America, Inc. | ||
| 204.141.0.0/16 since Aug 2016 | AS2914 | Internet provider | 35 6 always on | NTT America, Inc. |
Network & registry
Announced by
Covering announcement 204.141.58.0/23
- Prefix
- 204.141.58.0/23
- Announced by
- AS36136 ALARMNET
- Type
- Business
- RPKI
- RPKI valid
- Netname
- NTTA-204-141
- Registrant
- NTT America, Inc.
- RIR
- ARIN
Origin network
AS36136
US
- Name
- ALARMNET
- Type
- Business
- Registered
- Sep 13, 2005
- Domain
- alarmnet.com.tr
- Industry
- Buildings, Repair, Maintenance (Pest Control, Landscaping, Cleaning, Locksmiths, Car Washes, etc)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
204.141.58.0/23
Routing history
- Pattern
- Stable
- First seen
- Jan 2024
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.141.56.0/22 | AS36136 | /24 | ARIN | RPKI valid |
| 204.141.0.0/16 | AS2914 | /16 | ARIN | Another network |
IRR
Route objects on 204.141.58.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS36136 | NTTCOM | Proxy RO for Resideo | MAINT-NTTCOM-RA | May 24, 2023 |
Whois
Registration for this announcement
- Range
- 204.
141. 0. 0/ 16 - Netname
- NTTA-204-141
- Registrant
- NTT America, Inc.
- Organization
- NTT America, Inc. (NTTAM-1)
- Org address
- 15809 Bear Creek Pkwy, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-141-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 7, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 7, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN