Data as of Nov 10, 2026
72.51.28.0/24
No anonymizer space · no proxy exits in 30 daysAS19202 · space held by Aptum Technologies
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. | 9,216 | PEER1-BLK-08 | Aptum Technologies (PER1) · CA | Direct Allocation | Jul 5, 2005 | abuse@ |
| └ 72.51.28.0/24 | 256 | PEER1--BACKBONEIT-03 | Backbone IT Services (C02654671) · CA | Reassigned | Dec 7, 2010 | abuse@ via PEER1-BLK-08 |
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
- Aptum Technologies
- Handle
- PER1
- Range
- 72.
51. 16. 0 - 72. 51. 51. 255 - Registration type
- Direct Allocation
- Record created
- Jul 5, 2005
Origin network
AS19202
ZZ
- Registered
- Nov 9, 2026
- Domain
- astutehosting.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
- Feb 2006
- Current origin since
- Jun 2011 · 15 yr
- Origin networks
- 3
- Last change of origin
- Jun 2011
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 72.
51. 28. 0/ 24 - Netname
- PEER1--BACKBONEIT-03
- Registrant
- Backbone IT Services
- Organization
- Backbone IT Services (C02654671)
- Type
- Reassigned
- Handle
- NET-72-51-28-0-1
- Parent
- NET-72-51-16-0-2
- Created
- Dec 7, 2010
- RIR
- ARIN
- Country
- CA
- Delegated
- Jul 5, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aptum. com - Name
- Aptum Technologies AUP Enforcement
- Phone
- +1-678-365-2835
- Handle
- ATAE-ARIN