Data as of Nov 9, 2026
12.228.186.0/24
3 residential-proxy exits · 30 daysNorthBay Healthcare Corporation · space held by AT&T Enterprises, LLC
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
2
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- AnyIP
- FloppyData
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 12.128.0.0/9 | AS7018 | Residential | IP broker Rackdog (part) | 5,311 297 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@ |
| └ 12.228.186.0/24 | 256 | NORTHBAY51-186 | Northbay Healthcare System (NORTH-140) · US | Reassigned | Jul 2, 2008 | netops@ |
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
AS25632
US
- Name
- NorthBay Healthcare Corporation
- Type
- Business
- Registered
- Apr 6, 2018
- Domain
- northbay.org
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2018
- Current origin since
- Oct 2018 · 8.1 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25632 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.
228. 186. 0/ 24 - Netname
- NORTHBAY51-186
- Registrant
- Northbay Healthcare System
- Organization
- Northbay Healthcare System (NORTH-140)
- Org address
- 4500 BUSSINESS CENTER DR, FAIRFIELD, CA, 94534
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-228-186-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Jul 2, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- netops@
northbay. org - Name
- Koopmeiners, Chad
- Phone
- +1-707-646-3252
- Handle
- CKO52-ARIN