Data as of Nov 15, 2026
144.74.22.0/24
No anonymizer space · no proxy exits in 30 daysRush University Medical Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 144.74.0.0/17 since Oct 2008 | AS25978 | Business | 2 | Rush University Medical Center |
Network & registry
Announced by
Covering announcement 144.74.16.0/21
- Prefix
- 144.74.16.0/21
- Announced by
- AS25978 Rush University Medical Center
- Type
- Business
- RPKI
- No RPKI
- Netname
- RUSHNET
- Registrant
- Rush University Medical Center
- RIR
- ARIN
Origin network
AS25978
US
- Name
- Rush University Medical Center
- Type
- Education
- Registered
- Feb 19, 2025
- Domain
- rush.edu
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
144.74.16.0/21
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
IRR
Route objects on 144.74.16.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25978 | RADB | PNAP-CHG rushum routes | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 144.
74. 0. 0/ 16 - Netname
- RUSHNET
- Registrant
- Rush University Medical Center
- Organization
- Rush University Medical Center (RPLMC)
- Org address
- 1653 W. Congress Parkway, Chicago, IL, 60612
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-144-74-0-0-1
- Parent
- NET-144-0-0-0-0
- Created
- Nov 16, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 16, 1990
- Status
- assigned
Report abuse
Abuse contact
- koder@
rush. edu - Name
- ODER, KARL
- Phone
- +1-312-942-8940
- Handle
- KLO1-ARIN