Data as of Nov 7, 2026
157.238.248.0/22
512 anonymizer addresses · 50% · ISP proxyNTT America, Inc.
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 157.238.248.0/22 | /24s |
|---|---|---|
| NTT America, Inc. | 51250% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 157.238.250.0/24 since Aug 2026 | AS152179 | ISP proxy | NTT America, Inc. | |
| 157.238.251.0/24 since Aug 2026 | AS152179 | ISP proxy | NTT America, Inc. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 512 | 50% | 1 | |
| ISP proxyanonymizer | 512 | 50% | 2 |
Network & registry
Announced by
Covering announcement 157.238.0.0/16
- Prefix
- 157.238.0.0/16
- Announced by
- AS2914 NTT America, Inc.
- Type
- Internet provider
- Anonymizer addresses
- 1,792 addresses · 2.7%ISP proxyDatacenter proxy
- Proxy exits
- 185
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- NTTA-157-238
- 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 157.238.0.0/16
157.238.0.0/16
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 |
|---|---|---|---|---|
| 157.238.0.0/16 | AS2914 | /16 | ARIN | RPKI valid |
IRR
Route objects on 157.238.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2914 | NTTCOM | NTT-BB-1 | MAINT-NTTCOM-BB | May 9, 2025 |
Whois
Registration for this announcement
- Range
- 157.
238. 0. 0/ 16 - Netname
- NTTA-157-238
- 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-157-238-0-0-1
- Parent
- NET-157-0-0-0-0
- Created
- Feb 4, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 4, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN