Data as of Nov 12, 2026
63.245.72.0/24
No anonymizer space · no proxy exits in 30 daysColumbus Networks USA, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.245.72.0/21 since Aug 2015 | AS23520 | Internet provider | 1 | Columbus Networks USA, Inc. | |
| 63.245.0.0/17 since Sep 2017 | AS23520 | Internet provider | 144 51 always on | Columbus Networks USA, Inc. |
Network & registry
Origin network
AS23520
US
- Name
- Columbus Networks USA, Inc.
- Type
- Internet provider
- Registered
- Apr 2, 2002
- Domain
- libertynetworks.com
- Website
- libertynetworks.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2008
- Current origin since
- Aug 2023 · 3.2 yr
- Origin networks
- 2
- Last change of origin
- Jun 2016
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 63.245.72.0/24 | AS23520 | /24 | ARIN | RPKI valid |
| 63.245.72.0/21 | AS23520 | /21 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23520 | RADB | COLUMBUS NETWORKS TRANSIT CUSTOMERS | MAINT-AS23520 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 63.
245. 0. 0/ 17 - Netname
- COLUMBUS-NETWORKS-1
- Registrant
- Columbus Networks USA, Inc.
- Organization
- Columbus Networks USA, Inc. (CNU-6)
- Org address
- 15950 West Dixie Highway, North Miami Beach, FL, 33162
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-63-245-0-0-1
- Parent
- NET-63-0-0-0-0
- Created
- Oct 22, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 22, 2002
- Status
- assigned
Report abuse
Abuse contact
- rafael.
espinosa@ libertynet. com - Name
- Rafael Espinosa
- Phone
- +1-786-274-7517
- Handle
- ESPIN222-ARIN