Data as of Nov 8, 2026
153.106.255.0/24
No anonymizer space · no proxy exits in 30 daysCalvin College
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 153.106.0.0/16 since Aug 2017 | AS22217 | Business | 80 2 always on | Calvin College |
Network & registry
Origin network
AS22217
US
- Name
- Calvin College
- Type
- Education
- Registered
- Jul 25, 2017
- Domain
- calvin.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2024
- Current origin since
- May 2024 · 2.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 153.
106. 0. 0/ 16 - Netname
- CALVIN
- Registrant
- Calvin College
- Organization
- Calvin College (CCS-73-Z)
- Org address
- 3201 Burton Street S.E., Grand Rapids, MI, 49546-4388
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-153-106-0-0-1
- Parent
- NET-153-0-0-0-0
- Created
- Sep 24, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 24, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
calvin. edu - Name
- Calvin Network Abuse
- Phone
- +1-616-526-6144
- Handle
- CNA44-ARIN