Data as of Nov 4, 2026
206.54.42.0/24
No anonymizer space · no proxy exits in 30 daysCtcsci Tech Limited · space held by NTT America, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 206.54.0.0/18 since Aug 2016 | AS2914 | Internet provider | 1 | NTT America, Inc. |
Network & registry
Origin network
AS152111
HK
- Name
- Ctcsci Tech Limited
- Type
- Hosting
- Registered
- Nov 15, 2023
- Domain
- ctcsci.com
- Website
- ctcsci.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2024
- Current origin since
- Mar 2024 · 2.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 206.54.42.0/24 | AS152111 | /24 | ARIN | RPKI valid |
| 206.54.0.0/18 | AS2914 | /18 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS152111 | NTTCOM | CTCSCI Tech Limited | MAINT-NTTCOM-BB | Apr 4, 2024 |
Whois
Registration for this announcement
- Range
- 206.54.0.0/18
- Netname
- NTTA-206-54
- 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-206-54-0-0-1
- Parent
- NET-206-0-0-0-0
- Created
- Aug 14, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 14, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN