Data as of Nov 7, 2026
63.199.123.0/24
No anonymizer space · no proxy exits in 30 daysCity National Bank · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.192.0.0/12 since Oct 2013 | AS7018 | Residential | 336 46 always on | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 63.192.0.0/12 | 1,048,576 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | May 10, 1999 | abuse@ |
| └ 63.199.123.0/24 | 256 | NET-63-199-123-0-1 | City National Bank (CNB-33) · US | Reassigned | Jul 29, 2022 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 63.
192. 0. 0/ 12 - Registration type
- Direct Allocation
- Record created
- May 10, 1999
Origin network
AS398098
US
- Name
- City National Bank
- Type
- Business
- Registered
- Oct 23, 2019
- Domain
- tcnb.com
- Industry
- Finance and Insurance
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2022
- Current origin since
- Mar 2022 · 4.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS398098 | RADB | RR-RC-CITY NATIONAL BANK-West | MAINT-RR | Jun 26, 2026 |
Whois
Registration for this announcement
- Range
- 63.
199. 123. 0/ 24 - Netname
- NET-63-199-123-0-1
- Registrant
- City National Bank
- Organization
- City National Bank (CNB-33)
- Org address
- 1801 West Olympic Boulevard, Los Angeles, CA, 90006
- Org country
- US
- Type
- Reassigned
- Handle
- NET-63-199-123-0-1
- Parent
- NET-63-192-0-0-1
- Created
- Jul 29, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN