Data as of Nov 8, 2026
207.152.105.0/24
Anonymizer · Datacenter proxyZhilian Technology CO., LTD. · space held by NTT America, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recently moved
Recent change
New origin Sep 2026
from AS174 Cogent Communications, LLC, after 17.5 years unannounced
IPv4 market
Path
Announced by AS214432 since Sep 2026 · 8 wk ago
2 · Leased from
not leased
4 · Use
Datacenter proxy
anonymizer space, operator not named
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
207.152.105.0/24
From the registry to its use
- Jun 14, 1996Registry recordNTT America, Inc.Direct Allocation (legacy, pre-1997)207.152.64.0/18
- May 9, 2005– Jun 27, 2016
- May 9, 2005– Mar 1, 2009
- Aug 15, 2016– today
- Sep 16, 2026– today
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 207.152.64.0/18 since Aug 2016 | AS2914 | Internet provider | 5123.1%ISP proxy | 37 11 always on | NTT America, Inc. |
Network & registry
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.152.104.0/22 | AS3949 | /24 | ARIN | Another network |
| 207.152.104.0/22 | AS148996 | /24 | ARIN | Another network |
| 207.152.104.0/22 | AS152179 | /24 | ARIN | Another network |
| 207.152.104.0/22 | AS207550 | /24 | ARIN | Another network |
| 207.152.104.0/22 | AS214432 | /24 | ARIN | RPKI valid |
| 207.152.64.0/18 | AS2914 | /18 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 207.
152. 64. 0/ 18 - Netname
- NTTA-207-152-64
- 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-207-152-64-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Jun 14, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 14, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN