Data as of Nov 7, 2026
204.143.48.0/21
768 anonymizer addresses · 38% · ISP proxy112 residential-proxy exits · 30 daysNTT America, Inc.
Residential-proxy exits
Proxy exits
112
5.5% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
4
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
862 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 204.143.55.0/24 | 0 | 109 | |
| 204.143.54.0/24 | 0 | 3 |
Proxy providers listing exits
- DataImpulse
- EVOPROXY
- Proxy4U
- RH7Proxy
IPv4 market
Path
4 · Use
Internet provider
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 204.143.48.0/21 | /24s |
|---|---|---|
| NTT America, Inc. | 51225% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.143.49.0/24 since Nov 4, 2026 | AS152179 | ISP proxy | NTT America, Inc. | |
| 204.143.50.0/24 since Nov 6, 2026 | AS152179 | ISP proxy | NTT America, Inc. | |
| 204.143.52.0/24 since Nov 7, 2026 | AS152179 | ISP proxy |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,280 | 63% | 3 | |
| ISP proxyanonymizer | 768 | 38% | 3 |
Network & registry
Announced by
Covering announcement 204.142.0.0/15
- Prefix
- 204.142.0.0/15
- Announced by
- AS2914 NTT America, Inc.
- Type
- Internet provider
- Anonymizer addresses
- none
- Proxy exits
- 139
- RPKI
- RPKI valid
- Netname
- NTTA-204-142
- Registrant
- NTT America, Inc.
- RIR
- ARIN
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 204.142.0.0/15
204.142.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.142.0.0/15 | AS2914 | /15 | ARIN | RPKI valid |
IRR
Route objects on 204.142.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2914 | NTTCOM | NTTA-204-142 | MAINT-NTTCOM-BB | Aug 23, 2018 |
Whois
Registration for this announcement
- Range
- 204.
142. 0. 0/ 15 - Netname
- NTTA-204-142
- 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-204-142-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 8, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 8, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN