Data as of Nov 7, 2026
204.26.29.0/24
No anonymizer space · no proxy exits in 30 daysNorthShore University HealthSystem
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.26.16.0/20 since Feb 2006 | AS36319 | Business | 2 | NorthShore University HealthSystem |
Network & registry
Origin network
AS36319
US
- Name
- NorthShore University HealthSystem
- Type
- Education
- Registered
- Nov 28, 2005
- Domain
- northshore.org
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2020
- Current origin since
- Apr 2020 · 6.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 not the origin | RADB | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 204.
26. 16. 0/ 20 - Netname
- ENWHC-NETWORK
- Registrant
- NorthShore University HealthSystem
- Organization
- NorthShore University HealthSystem (ENHC)
- Org address
- 4901 Searle Parkway, Skokie, IL, 60076
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-26-16-0-1
- Parent
- NET-204-0-0-0-0
- Created
- May 10, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 1994
- Status
- assigned
Report abuse
Abuse contact
- msinisi@
northshore. org - Name
- Sinisi, Mike
- Phone
- +1-847-982-5416
- Handle
- MSI141-ARIN