Data as of Nov 13, 2026
75.37.209.0/24
No anonymizer space · no proxy exits in 30 daysSaint Luke's Health System · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 75.32.0.0/13 since Dec 2017 | AS7018 | Residential | 2,750 336 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 |
|---|---|---|---|---|---|---|
| 75. | 1,474,560 | SBCIS-SBIS-6BLK | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Feb 28, 2006 | abuse@ |
| └ 75.37.209.0/24 | 256 | NET-75-37-209-0-1 | Saint Luke's Health System (SLHS-3) · US | Reassigned | Aug 19, 2022 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 75.
23. 0. 0 - 75. 45. 127. 255 - Registration type
- Direct Allocation
- Record created
- Feb 28, 2006
Origin network
AS22474
US
- Name
- Saint Luke's Health System
- Type
- Business
- Registered
- Dec 15, 2006
- Domain
- saintlukeskc.org
- Industry
- Search
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2007
- Current origin since
- Feb 2007 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 75.37.209.0/24 | AS22474 | /24 | ARIN | RPKI valid |
| 75.32.0.0/13 | AS7018 | /13 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 75.
37. 209. 0/ 24 - Netname
- NET-75-37-209-0-1
- Registrant
- Saint Luke's Health System
- Organization
- Saint Luke's Health System (SLHS-3)
- Org address
- 901 E 104th St, Kansas City, MO, 64131
- Org country
- US
- Type
- Reassigned
- Handle
- NET-75-37-209-0-1
- Parent
- NET-75-23-0-0-1
- Created
- Aug 19, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 28, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN