Data as of Nov 5, 2026
101.0.20.0/24
Anonymizer · ISP proxyNTT America, Inc. · space held by Double Cast Inc.
IPv4 market
Path
1 · Holder
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 101.0.20.0/24 | /24s |
|---|---|---|
| Double Cast Inc. | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
101.0.20.0/24
From the registry to its use
- Feb 8, 2011– Sep 10, 2011
- Sep 22, 2011– Jan 8, 2013
- Aug 16, 2025– Mar 19, 2026
- Mar 8, 2026– today
- todayRegistry recordDouble Cast Inc.ALLOCATED PORTABLE101.0.16.0/20
- todayAssignedNTT Communications CorporationASSIGNED NON-PORTABLE101.0.20.0/24
- todayRoute objectAS2914 NTT America, Inc.APNIC route object for AS2914 NTT America, Inc., maintainer MAINT-JP-DOUBLECAST
- todayLeased fromARISKIP broker
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 |
|---|---|---|---|---|---|---|
| 101.0.16.0/20 | 4,096 | W-CAST-2-AS-AP | Double Cast Inc. (ORG-DCI2-AP) · JP | ALLOCATED PORTABLE | — | ipadmin@ |
| └ 101.0.20.0/24 | 256 | NTT_ | NTT Communications Corporation | ASSIGNED NON-PORTABLE | — | support@ |
Network & registry
IPv4 market
Holder
- Organization
- Double Cast Inc.
- Handle
- ORG-DCI2-AP
- Range
- 101.
0. 16. 0/ 20 - Registration type
- ALLOCATED 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
- Rotating
- First seen
- Feb 2011
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 4
- Last change of origin
- Mar 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 101.
0. 20. 0/ 24 - Netname
- NTT_
Communications_ Corporation - Registrant
- NTT Communications Corporation
- Registrant country
- JP
- Organization
- NTT Communications Corporation
- Org country
- JP
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 21, 2026
- Maintainer
- MAINT-JP-DOUBLECAST
- RIR
- APNIC
- Country
- JP
- Delegated
- Dec 9, 2010
- Status
- assigned
Report abuse
Abuse contact
- support@
ariskisp. com - Name
- Pax Fussell
- Handle
- PF238-AP