Data as of Nov 9, 2026
192.231.39.0/24
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Institute for Defense Analyses
Network & registry
Origin network
AS46887
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Apr 13, 2009
- Domain
- zayo.com
- Website
- www.crowncastle.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Oct 2021
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 192.
231. 39. 0/ 24 - Netname
- IDSS
- Registrant
- Institute for Defense Analyses
- Organization
- Institute for Defense Analyses (IDA-2-Z)
- Org address
- 730 E Glebe Rd, Alexandria, VA, 22305
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-231-39-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Sep 23, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 23, 1992
- Status
- assigned
Report abuse
Abuse contact
- cmurphy@
ida. org - Name
- Murphy, Chris
- Phone
- +1-703-845-6833
- Handle
- CMU49-ARIN