Data as of Nov 10, 2026
131.239.28.0/24
1 residential-proxy exit · 30 daysCapital Health System, Inc · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
4 observations
Proxy providers listing exits
- AnyIP
- FloppyData
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 131.239.0.0/16 since Nov 2021 | AS46887 | Internet provider | 190 29 always on | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 131.239.0.0/16 | 65,536 | ZAYO-CCF-131-239-0-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 6, 1989 | abuse@ |
| └ 131.239.28.0/24 | 256 | NET-CCF-0-131-239-28-0-24 | Capital Health System (C11288821) · US | Reassigned | Jul 22, 2025 | abuse@ via ZAYO-CCF-131-239-0-0 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 131.
239. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 6, 1989
- Legacy
- yes
Origin network
AS54268
US
- Name
- Capital Health System, Inc
- Type
- Business
- Registered
- Feb 9, 2018
- Domain
- capitalhealth.org
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Mar 2016
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 2
- Last change of origin
- Oct 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS54268 | RADB | Capital Health System, Inc | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 131.
239. 28. 0/ 24 - Netname
- NET-CCF-0-131-239-28-0-24
- Registrant
- Capital Health System
- Organization
- Capital Health System (C11288821)
- Type
- Reassigned
- Handle
- NET-131-239-28-0-1
- Parent
- NET-131-239-0-0-1
- Created
- Jul 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 6, 1989
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN