Data as of Nov 12, 2026
64.129.121.0/24
No anonymizer space · no proxy exits in 30 daysCrouse Hospital · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.128.0.0/15 since Oct 2016 | AS3549 | Internet provider | 34 2 always on | Level 3 Parent, 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 |
|---|---|---|---|---|---|---|
| 64.128.0.0/15 | 131,072 | TWTC-NETBLK-11 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Apr 26, 2004 | abuse@ |
| └ 64.129.121.0/24 | 256 | TWTC-CROUSE | Crouse Hospital (CROUS-2) · US | Reassigned | Jun 21, 2006 | MattMahoney@ |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 64.
128. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Apr 26, 2004
Origin network
AS40277
US
- Name
- Crouse Hospital
- Type
- Business
- Registered
- Oct 13, 2006
- Domain
- crouse.org
- 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
- Jan 2007
- Current origin since
- Jan 2007 · 20 yr
- Origin networks
- 2
- Last change of origin
- Jun 2017
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS40277 | RADB | Crouse Health Hospital, Inc | MAINT-AS27506 | Jul 14, 2026 |
Whois
Registration for this announcement
- Range
- 64.
129. 121. 0/ 24 - Netname
- TWTC-CROUSE
- Registrant
- Crouse Hospital
- Organization
- Crouse Hospital (CROUS-2)
- Org address
- 109 S Warren St, Syracuse, NY, 13202
- Org country
- US
- Type
- Reassigned
- Handle
- NET-64-129-121-0-1
- Parent
- NET-64-128-0-0-1
- Created
- Jun 21, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 26, 2004
- Status
- assigned
Report abuse
Abuse contact
- MattMahoney@
crouse. org - Name
- Turton, Tom
- Phone
- +1-315-470-8929
- Handle
- TTU12-ARIN