Data as of Nov 8, 2026
216.143.232.0/24
No anonymizer space · no proxy exits in 30 daysGenomic Health, Inc. · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 216.140.0.0/14 since May 2007 | AS3356 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 216.140.0.0/14 | 262,144 | LVLT-ORG-216-140 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Dec 13, 1999 | abuse@ |
| └ 216.143.232.0/24 | 256 | LVLT-GENOM-2-216-143-232 | Genomic Health, Inc. (GENOM-2) · US | Reassigned | May 26, 2016 | netops@ |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 216.
140. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Dec 13, 1999
Origin network
AS19622
US
- Name
- Genomic Health, Inc.
- Type
- Business
- Registered
- Apr 19, 2010
- Domain
- genomichealth.com
- Industry
- Chemical and Pharmaceutical Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2013 · 14 yr
- Origin networks
- 3
- Last change of origin
- May 2013
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 216.
143. 232. 0/ 24 - Netname
- LVLT-GENOM-2-216-143-232
- Registrant
- Genomic Health, Inc.
- Organization
- Genomic Health, Inc. (GENOM-2)
- Org address
- 301 Penobscot Drive, Redwood City, CA, 94063
- Org country
- US
- Type
- Reassigned
- Handle
- NET-216-143-232-0-1
- Parent
- NET-216-140-0-0-1
- Created
- May 26, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 13, 1999
- Status
- assigned
Report abuse
Abuse contact
- netops@
genomichealth. com - Name
- Genomic
- Phone
- +1-650-569-2800
- Handle
- GENOM-ARIN