Data as of Nov 8, 2026
204.170.41.0/24
Anonymizer · ISP proxyGlobal Communication Network Limited · space held by NTT America, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 22, 2026
from AS12062, after 16.7 years unannounced
IPv4 market
Path
Announced by AS152179 since Oct 22, 2026 · 2 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 204.170.41.0/24 | /24s |
|---|---|---|
| NTT America, Inc. | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
204.170.41.0/24
From the registry to its use
- Oct 13, 1994Registry recordNTT America, Inc.Direct Allocation (legacy, pre-1997)204.170.0.0/15
- May 9, 2005– Jun 27, 2016
- May 9, 2005– Feb 22, 2010Announced
- Aug 15, 2016– today
- Oct 22, 2026– today
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.170.0.0/15 since Aug 2016 | AS2914 | Internet provider | 4 | NTT America, Inc. |
Network & registry
Origin network
AS152179
HK
- Name
- Global Communication Network Limited
- Type
- Hosting
- Registered
- Dec 15, 2023
- Domain
- hkglobalnetwork.com
- Website
- www.hkglobalnetwork.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 22, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.170.40.0/21 | AS3949 | /24 | ARIN | Another network |
| 204.170.40.0/21 | AS148996 | /24 | ARIN | Another network |
| 204.170.40.0/21 | AS152179 | /24 | ARIN | RPKI valid |
| 204.170.40.0/21 | AS207550 | /24 | ARIN | Another network |
| 204.170.40.0/21 | AS214432 | /24 | ARIN | Another network |
| 204.170.0.0/15 | AS2914 | /15 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 204.
170. 0. 0/ 15 - Netname
- NTTA-204-170
- 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-204-170-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Oct 13, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 13, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN