Data as of Nov 3, 2026
192.139.136.0/24
No anonymizer space · no proxy exits in 30 daysCowan Systems, LLC
Network & registry
Origin network
AS13582
US
- Name
- Cowan Systems, LLC
- Type
- Business
- Registered
- Nov 1, 2018
- Domain
- cowansystems.com
- Industry
- Travel and Accommodation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2021 · 5.5 yr
- Origin networks
- 2
- Last change of origin
- May 2021
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 192.139.136.0/24
- Netname
- CSL-661
- Registrant
- Cowan Systems, LLC
- Organization
- Cowan Systems, LLC (CSL-661)
- Org address
- 4555 Hollins Ferry Rd, Baltimore, MD, 21227
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-139-136-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Oct 30, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 30, 2018
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN