Data as of Nov 7, 2026
209.37.104.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.36.0.0/15 since May 2005 | AS7018 | Residential | 90 6 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 |
|---|---|---|---|---|---|---|
| 209.36.0.0/15 | 131,072 | WORLDNET-MIS2 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Feb 12, 1997 | abuse@ |
| └ 209.37.104.0/24 | 256 | ATTSVCM-209-37-104-0 | AT&T Services, Inc. (ATTW) · US | Reallocated | Dec 15, 2003 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 209.
36. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Feb 12, 1997
- Legacy
- yes
- Reallocated to
- AT&T Services, Inc. (ATTW)
- Reallocated range
- 209.
37. 104. 0/ 24 - Reallocated
- Dec 15, 2003
Origin network
AS4473
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Mar 8, 1995
- Domain
- att.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
- Apr 2014
- Current origin since
- Apr 2014 · 13 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 209.
37. 104. 0/ 24 - Netname
- ATTSVCM-209-37-104-0
- Registrant
- AT&T Services, Inc.
- Organization
- AT&T Services, Inc. (ATTW)
- Org address
- 200 S. Laurel AVE., MIDDLETOWN, NJ, 07748
- Org country
- US
- Type
- Reallocated
- Handle
- NET-209-37-104-0-1
- Parent
- NET-209-36-0-0-1
- Created
- Dec 15, 2003
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 12, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN