Data as of Nov 3, 2026
157.238.136.0/21
No anonymizer space · no proxy exits in 30 daysCentrilogic, Inc. · space held by NTT America, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 157.238.0.0/16 since Aug 2016 | AS2914 | Internet provider | 176 1 always on | NTT America, Inc. |
Network & registry
Origin network
AS19693
US
- Name
- Centrilogic, Inc.
- Type
- Hosting
- Registered
- Aug 22, 2007
- Domain
- centrilogic.com
- Website
- www.centrilogic.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2007
- Current origin since
- Oct 2007 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.238.136.0/21 | AS19693 | /24 | ARIN | RPKI valid |
| 157.238.0.0/16 | AS2914 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19693 | RADB | Centrilogic | MAINT-AS19693 | Nov 19, 2024 |
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
- [email protected]
- Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN