Data as of Nov 11, 2026
207.57.136.0/24
No anonymizer space · no proxy exits in 30 daysZont LLC · space held by NTT America, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.57.0.0/16 since Jul 2026 | AS18186 | Hosting | 79 3 always on | NTT America, Inc. | |
| 207.56.0.0/15 since Aug 2016 | AS2914 | Internet provider | 96 3 always on | NTT America, Inc. |
Network & registry
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2026
- Current origin since
- Feb 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.57.136.0/21 | AS1054 | /24 | ARIN | RPKI valid |
| 207.57.0.0/16 | AS18186 | /24 | ARIN | Another network |
| 207.57.0.0/16 | AS140224 | /24 | ARIN | Another network |
| 207.56.0.0/15 | AS2914 | /15 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 207.
56. 0. 0/ 15 - Netname
- NTTA-207-56
- 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-207-56-0-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Feb 16, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 16, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN