Data as of Nov 9, 2026
12.21.228.0/24
No anonymizer space · no proxy exits in 30 daysGlobal Linking Solutions · 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 | 8,073 434 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,384 731 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@ |
| └ 12.21.228.0/24 | 256 | GLOBALLINKING-228 | Global Linking Solutions (GLS-4) · US | Reassigned | Nov 4, 1998 | bphelps@ |
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
AS30525
US
- Name
- Global Linking Solutions
- Type
- Business
- Registered
- Oct 30, 2003
- Domain
- glinking.com
- Industry
- Computer and Information Technology
- 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
Whois
Registration for this announcement
- Range
- 12.
21. 228. 0/ 24 - Netname
- GLOBALLINKING-228
- Registrant
- Global Linking Solutions
- Organization
- Global Linking Solutions (GLS-4)
- Org address
- 11010 Park Charlotte Blvd., Charlotte, NC, 28273
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-21-228-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Nov 4, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- bphelps@
gls. com - Name
- Phelps, Brandon
- Phone
- +1-704-973-6855
- Handle
- PHELP122-ARIN