Data as of Nov 8, 2026
209.184.178.0/24
No anonymizer space · no proxy exits in 30 daysFrost Bank · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.184.0.0/16 since Oct 2013 | AS7018 | Residential | 224 9 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 |
|---|---|---|---|---|---|---|
| 209.184.0.0/16 | 65,536 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Dec 3, 1997 | abuse@ |
| └ 209.184.178.0/24 | 256 | SBCIS-082102150726 | Frost National Bank (C00361750) · US | Reassigned | Aug 22, 2002 | abuse@ via SBCIS-SIS80 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 209.
184. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Dec 3, 1997
- Legacy
- yes
Origin network
AS18674
US
- Name
- Frost Bank
- Type
- Business
- Registered
- Sep 27, 2000
- Domain
- frostbank.com
- Industry
- Banks, Credit Card Companies, Mortgage Providers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18674 | RADB | Frost National Bank | MAINT-AS18674 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
184. 178. 0/ 24 - Netname
- SBCIS-082102150726
- Registrant
- Frost National Bank
- Organization
- Frost National Bank (C00361750)
- Type
- Reassigned
- Handle
- NET-209-184-178-0-1
- Parent
- NET-209-184-0-0-1
- Created
- Aug 22, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 3, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN