Data as of Nov 11, 2026
170.77.196.0/22
No anonymizer space · no proxy exits in 30 daysNorth Shore Long Island Jewish Health System · space held by The Danbury Hospital
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Recent change
New origin Jun 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 170.77.128.0/17 since Aug 2020 | AS27185 | Business | 1 | The Danbury Hospital | |
| 170.77.0.0/16 since May 2005 | AS27185 | Business | 1 | The Danbury Hospital |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 170.77.196.0/24 since Jun 2026 | AS25611 | Business | The Danbury Hospital | |
| 170.77.197.0/24 since Jun 2026 | AS25611 | Business | The Danbury Hospital | |
| 170.77.199.0/24 since Jun 2026 | AS25611 | Business | The Danbury Hospital |
Network & registry
Origin network
AS25611
US
- Name
- North Shore Long Island Jewish Health System
- Type
- Business
- Registered
- Apr 8, 2002
- Domain
- northwell.edu
- 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
- Jun 2026
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 170.77.196.0/22 | AS25611 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 170.77.198.0/24 | AS25611 | RADB | Norwell Health | MAINT-AS27506 | Jun 30, 2026 |
Whois
Registration for this announcement
- Range
- 170.
77. 0. 0/ 16 - Netname
- DANBURY-HOSP
- Registrant
- The Danbury Hospital
- Organization
- The Danbury Hospital (DHI)
- Org address
- 24 Hospital Avenue, Danbury, CT, 06810
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-77-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Mar 7, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 7, 1994
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN