Data as of Nov 9, 2026
204.139.40.0/24
No anonymizer space · no proxy exits in 30 daysMasergy Communications, Inc. · space held by AAR Corp.
Network & registry
Origin network
AS19855
US
- Name
- Masergy Communications, Inc.
- Type
- Internet provider
- Registered
- Feb 21, 2001
- Domain
- masergy.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2013
- Current origin since
- Feb 2025 · 1.8 yr
- Origin networks
- 3
- Last change of origin
- Feb 2025
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 204.
139. 32. 0 - 204. 139. 51. 255 - Netname
- AAR2
- Registrant
- AAR Corp.
- Organization
- AAR Corp. (AARCOR)
- Org address
- 1100 N. Wood Dale, Wood Dale, IL, 60191
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-139-32-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Aug 31, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 31, 1994
- Status
- assigned
Report abuse
Abuse contact
- spatel@
aarcorp. com - Name
- Patel, Dharmesh
- Phone
- +1-630-227-2163
- Handle
- DP1235-ARIN