Data as of Nov 15, 2026
199.176.64.0/19
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by AT&T Services, Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.176.76.0/24 | AS214760 | Unknown | AT&T Services, Inc. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 199.176.0.0/14 | 262,144 | AADSNET-CIDR | AT&T Services, Inc. (ATTSE-Z) · US | Direct Allocation | Feb 17, 1994 | abuse@ |
| └ 199.176.66.0/23 | 512 | CINGULAR-66-67 | unknown | — | — | — |
| └ 199. | 512 | CINGULAR-69-70 | unknown | — | — | — |
| └ 199.176.72.0/24 | 256 | CINGULAR-72-72 | unknown | — | — | — |
| └ 199.176.76.0/22 | 1,024 | CINGULAR-76-79 | Cingular Wireless II, LLC (CWIL-2) · US | Reassigned | Aug 29, 2005 | ew2497@ |
| └ 199.176.84.0/24 | 256 | CINGULAR-84-84 | unknown | — | — | — |
| └ 199.176.87.0/24 | 256 | CINGULAR-87-87 | unknown | — | — | — |
| └ 199.176.89.0/24 | 256 | CINGULAR-89-89 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Mobile | 7,936 | 97% | 2 | |
| Unknown | 256 | 3.1% | 1 |
Network & registry
Announced by
Covering announcement 199.176.64.0/18
- Prefix
- 199.176.64.0/18
- Announced by
- AS20057 AT&T Enterprises, LLC
- Type
- Mobile
- Proxy exits
- 11
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- AADSNET-CIDR
- Registrant
- AT&T Services, Inc.
- RIR
- ARIN
Origin network
AS20057
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Mar 20, 2001
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 199.176.64.0/18
199.176.64.0/18
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 199.
176. 0. 0/ 14 - Netname
- AADSNET-CIDR
- Registrant
- AT&T Services, Inc.
- Organization
- AT&T Services, Inc. (ATTSE-Z)
- Org address
- Enterprise IP Group, Indianapolis, IN, 46204
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-176-0-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Feb 17, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 17, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN