Data as of Nov 6, 2026
72.21.172.0/24
No anonymizer space · no proxy exits in 30 daysEZE Castle Integration Inc.
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 |
|---|---|---|---|---|---|---|
| 72.21.160.0/19 | 8,192 | EZCI-ARIN-01 | EZE Castle Integration Inc. (EZCI) · US | Direct Allocation | Dec 22, 2004 | noc@ |
| └ 72.21.172.0/24 | 256 | ECIN-72-21-172-0 | Eze Castle Integration (C01154514) · US | Reassigned | Aug 15, 2005 | noc@ via EZCI-ARIN-01 |
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
Registry
Holder
- Organization
- EZE Castle Integration Inc.
- Handle
- EZCI
- Range
- 72.
21. 160. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Dec 22, 2004
Origin network
AS14717
US
- Name
- EZE Castle Integration Inc.
- Type
- Internet provider
- Registered
- Jan 31, 2000
- Domain
- eci.com
- Website
- www.eci.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2005
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.21.160.0/19 | AS14717 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14717 | RADB | Eze Castle Integration Inc. | MAINT-AS14717 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
21. 172. 0/ 24 - Netname
- ECIN-72-21-172-0
- Registrant
- Eze Castle Integration
- Organization
- Eze Castle Integration (C01154514)
- Type
- Reassigned
- Handle
- NET-72-21-172-0-1
- Parent
- NET-72-21-160-0-1
- Created
- Aug 15, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 22, 2004
- Status
- assigned
Report abuse
Abuse contact
- noc@
eci. com - Name
- ECINet Network Operations Center
- Phone
- +1-212-954-0660
- Handle
- ENOC23-ARIN