Data as of Nov 9, 2026
66.238.186.0/24
No anonymizer space · no proxy exits in 30 daysM5 Computer Security · space held by Verizon Business
Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Nov 2, 2026
from AS29819 Natural Networks, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.236.0.0/14 since May 2005 | AS2828 | Internet provider | 1 1 always on | Verizon Business |
Network & registry
Origin network
AS21581
US
- Name
- M5 Computer Security
- Type
- Hosting
- Registered
- May 28, 2008
- Domain
- m5hosting.com
- Website
- www.m5hosting.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Nov 2, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Nov 2, 2026
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29819 not the origin | RADB | ACC/ADN Matrix Info Systems Route | MAINT-ADN-WEST | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 66.
236. 0. 0/ 14 - Netname
- XOX1-BLK-2
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-236-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Feb 20, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 20, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN