Data as of Nov 7, 2026
153.106.72.0/24
No anonymizer space · no proxy exits in 30 daysCalvin College
Network & registry
Announced by
Covering announcement 153.106.0.0/16
- Prefix
- 153.106.0.0/16
- Announced by
- AS22217 Calvin College
- Type
- Business
- Proxy exits
- 82
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- CALVIN
- Registrant
- Calvin College
- RIR
- ARIN
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
Who has announced 153.106.0.0/16
153.106.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2017 · 9.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2017
Recorded history
History
- Handoffs
- 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