Data as of Nov 9, 2026
12.38.173.0/24
No anonymizer space · no proxy exits in 30 daysHart Systems Inc · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.0.0.0/9 | AS7018 | Residential | 8,094 433 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,375 726 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 |
|---|---|---|---|---|---|---|
| 12.0.0.0/8 | 16,777,216 | ATT | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 23, 1983 | abuse@ |
| └ 12.38.173.0/24 | 256 | ZEBRA-RE834-173 | Zebra Retail Solutions, LLC (ZRSL-1) · US | Reassigned | Jan 4, 2020 | psmall@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 12.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Aug 23, 1983
- Legacy
- yes
Origin network
AS16873
US
- Name
- Hart Systems Inc
- Type
- Business
- Registered
- Feb 23, 2010
- Domain
- hartsystems.com
- Industry
- Law, Business, and Consulting Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2012
- Current origin since
- Nov 2012 · 14 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16873 | RADB | HART SYSTEMS INC | MAINT-AS27506 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.
38. 173. 0/ 24 - Netname
- ZEBRA-RE834-173
- Registrant
- Zebra Retail Solutions, LLC
- Organization
- Zebra Retail Solutions, LLC (ZRSL-1)
- Org address
- 60 PLANT AVE, HAUPPAUGE, NY, 11788
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-38-173-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Jan 4, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- psmall@
zebra. com - Name
- Small, Peter
- Phone
- +1-631-439-8268
- Handle
- SMALL188-ARIN