Data as of Nov 10, 2026
66.78.45.0/24
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by Colocation America Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Oct 10, 2026
from AS18381 RedSwitches
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 66.78.0.0/18 since May 2016 | AS21769 | Hosting | IP broker IPXO (part) | Colocation America Corporation |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66.78.0.0/18 | 16,384 | CAC-BLOCK14 | Colocation America Corporation (CAC-89) · US | Direct Allocation | Apr 26, 2016 | Abuse@ |
| └ 66.78.44.0/23 | 512 | IPXO-LLC | IPXO LLC (IL-845) · US | Reallocated | Feb 5, 2024 | abuse@ |
| └ 66.78.44.0/23 | 512 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | report@ |
| └ 66.78.45.0/24 | 256 | NET-66-78-45-0-24 | unknown | Reassigned | Jan 7, 2025 | report@ via IPXO-LLC |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Colocation America Corporation
- Handle
- CAC-89
- Range
- 66.
78. 0. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Apr 26, 2016
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 66.
78. 44. 0/ 23 - Reallocated
- Jan 7, 2025
Origin network
AS16509
US
- Name
- Amazon.com, Inc.
- Type
- Hosting
- Registered
- May 4, 2000
- Domain
- amazon.com
- Website
- www.amazon.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 286
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2024
- Current origin since
- Oct 10, 2026 · 1 mo
- Origin networks
- 6
- Last change of origin
- Oct 10, 2026
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 66.
78. 45. 0/ 24 - Netname
- NET-66-78-45-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-78-45-0-1
- Parent
- NET-66-78-44-0-2
- Created
- Jan 7, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 26, 2016
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN