Data as of Nov 12, 2026
49.0.181.0/24
No anonymizer space · no proxy exits in 30 daysNTT America, Inc. · space held by Double Cast Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Recent change
New origin May 2026
its first announcement on record
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 |
|---|---|---|---|---|---|---|
| 49.0.176.0/21 | 2,048 | W-CAST-2-AS-AP | Double Cast Inc. (ORG-DCI2-AP) · JP | ALLOCATED PORTABLE | — | ipadmin@ |
| └ 49.0.181.0/24 | 256 | NTT_ | NTT Communications Corporation | ALLOCATED NON-PORTABLE | — | ipadmin@ |
Network & registry
IPv4 market
Holder
- Organization
- Double Cast Inc.
- Handle
- ORG-DCI2-AP
- Range
- 49.
0. 176. 0/ 21 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- NTT Communications Corporation
- Reallocated range
- 49.
0. 181. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS2914
US
- Name
- NTT America, Inc.
- Type
- Internet provider
- Registered
- Dec 7, 1998
- Domain
- ntt.net
- Website
- www.gin.ntt.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 49.
0. 181. 0/ 24 - Netname
- NTT_
Communications_ Corporation - Registrant
- NTT Communications Corporation
- Registrant country
- JP
- Organization
- NTT Communications Corporation
- Org country
- JP
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 2, 2026
- Maintainer
- MAINT-JP-DOUBLECAST
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 5, 2010
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
m-idc. jp - Name
- ABUSE WCAST2JP
- Handle
- AW972-AP