Data as of Nov 3, 2026
167.73.0.0/16
56 residential-proxy exits · 30 daysOakwood Healthcare Inc · space held by Spectrum Health
Residential-proxy exits
Proxy exits
56
0.09% of its addresses · 30 days
Spread
26 of 256
/24s with at least one exit
Providers
17
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
1.9K observations
/24s with the most always-on exits
Proxy providers listing exits
- AnyIP
- CliProxy
- ColaProxy
- EnigmaProxy
- FastProxy
- FloppyData
- IPFly
- IPPeak
- LudaxProxy
- NovProxy
- NovaProxy
- Proxiware
- ProxyEmpire
- PuraRoute
- RainProxy
- Thordata
- VitalExclusive
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 167.73.0.0/16 | /24s |
|---|---|---|---|
| Zscaler | 2560.39% | 1 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 167.73.0.0/18 since Aug 2025 | AS30710 | Business | Spectrum Health | |||
| 167.73.0.0/20 since Sep 2015 | AS30710 | Business | Spectrum Health | |||
| 167.73.16.0/20 since Sep 2015 | AS30710 | Business | Spectrum Health | |||
| 167.73.64.0/18 since Aug 2025 | AS30710 | Business | Spectrum Health | |||
| 167.73.110.0/24 since Sep 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Spectrum Health | ||
| 167.73.128.0/18 since Aug 2025 | AS30710 | Business | 4 | Spectrum Health | ||
| 167.73.192.0/18 since Aug 2025 | AS30710 | Business | 52 | Spectrum Health |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 65,280 | >99% | 7 | |
| Corporate gateway | 256 | 0.39% | 1 |
Network & registry
Origin network
AS12099
US
- Name
- Oakwood Healthcare Inc
- Type
- Business
- Registered
- Mar 11, 2008
- Domain
- oakwood.org
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12099 | RADB | Corewell Health | MAINT-AS27506 | Jun 9, 2025 |
| AS12099 | ARIN | Spectrum Health | MNT-SPECT-19-Z | Jan 27, 2026 |
| AS30710 not the origin | RADB | AS30710 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
| AS30710 not the origin | ARIN | Spectrum Health | MNT-SPECT-19-Z | Jan 27, 2026 |
Whois
Registration for this announcement
- Range
- 167.73.0.0/16
- Netname
- SPECTRUM-HEALTH
- Registrant
- Spectrum Health
- Organization
- Spectrum Health (SPECT-19-Z)
- Org address
- 100 Michigan St NE, Grand Rapids, MI, 49503
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-167-73-0-0-1
- Parent
- NET-167-0-0-0-0
- Created
- May 11, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 11, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN