Data as of Nov 4, 2026
50.59.177.0/24
No anonymizer space · no proxy exits in 30 daysJohn Muir Health · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 50.58.0.0/15 since Oct 2016 | AS3549 | Internet provider | 40 5 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 |
|---|---|---|---|---|---|---|
| 50.58.0.0/15 | 131,072 | TWTC-NETBLK-19 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Jan 21, 2011 | [email protected] |
| └ 50.59.177.0/24 | 256 | LVLT-50-59-177-0-24 | John Muir Health (JMH-5) · US | Reassigned | Jan 19, 2021 | — |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 50.58.0.0/15
- Registration type
- Direct Allocation
- Record created
- Jan 21, 2011
Origin network
AS19312
US
- Name
- John Muir Health
- Type
- Business
- Registered
- Jun 28, 2006
- Domain
- johnmuirhealth.com
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2013
- Current origin since
- Jan 2021 · 5.8 yr
- Origin networks
- 3
- Last change of origin
- Jan 2021
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 50.59.177.0/24
- Netname
- LVLT-50-59-177-0-24
- Registrant
- John Muir Health
- Organization
- John Muir Health (JMH-5)
- Org address
- 1400 Treat Blvd., Walnut Creek, CA, 94596
- Org country
- US
- Type
- Reassigned
- Handle
- NET-50-59-177-0-1
- Parent
- NET-50-58-0-0-1
- Created
- Jan 19, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Hardy, Jeremy
- Phone
- +1-925-947-5349
- Handle
- JHA244-ARIN