LAYER3 INTEL
Get started
Sign in
Data as of Nov 4, 2026

72.51.32.0/20

No anonymizer space · no proxy exits in 30 days

Aptum Technologies

Announcement
this exact prefix
No RPKI
Announced by
AS13768
Type
Hosting
Risk
50 / 100 · Medium

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.51.16.0 - 72.51.51.2559,216PEER1-BLK-08Aptum Technologies (PER1) · CADirect AllocationJul 5, 2005abuse@aptum.com
└ 72.51.32.0/204,096PEER1-SERVERBEACH-06AServerBeach (SERVE-32) · CAReallocatedJan 19, 2007abuse@serverbeach.com
└ 72.51.33.69/321BENCHMARKINTERNETunknown———
└ 72.51.35.104/321BENCHMARKINTERNETunknown———
└ 72.51.35.205 - 72.51.35.2128YOUTUBE-02unknown———
└ 72.51.36.16/298DELTA-MARKETING-01unknown———
└ 72.51.36.81/321PEER1-DH-LAunknown———
└ 72.51.36.126/321PEER1-DH-LAunknown———
└ 72.51.36.160 - 72.51.36.17112WEB-DESIGN-SOLUTIONS-02unknown———
└ 72.51.36.180/321PEER1-DH-LAunknown———
└ 72.51.36.186/321PEER1-DH-LAunknown———
└ 72.51.36.191 - 72.51.36.20717NETRICKS-INC-01unknown———
└ 72.51.36.222 - 72.51.36.23918SUSTAINABLE-HOSTING-01unknown———
└ 72.51.37.19/321BENCHMARKINTERNETunknown———
└ 72.51.37.35/321BENCHMARKINTERNETunknown———
└ 72.51.39.12/321BENCHMARKINTERNETunknown———
└ 72.51.39.92/321BENCHMARKINTERNETunknown———
└ 72.51.40.6 - 72.51.40.1813TUBHOST-01unknown———
└ 72.51.40.24 - 72.51.40.3512TRUE-VALUE-HOSTING-01unknown———
└ 72.51.40.48/2816GALASOURCE-INC-01unknown———
└ 72.51.40.64/2816HF-CONSULTING-01unknown———
└ 72.51.40.114/321PEER1-DH-LAunknown———
└ 72.51.40.128/298GLAZIER-GROUP-DESIGN-01unknown———
└ 72.51.40.184/298MYINTERNETSERVICES-02unknown———
└ 72.51.40.216/298WOLF-MEDIA-INC-01unknown———
└ 72.51.40.224/321PEER1-DH-LAunknown———
└ 72.51.40.232/321PEER1-DH-LAunknown———
└ 72.51.40.233/321PEER1-DH-LAunknown———
└ 72.51.41.186/321BENCHMARKINTERNETunknown———
└ 72.51.43.236/321POKERBRAT-1unknown———
└ 72.51.44.32/2816MYINTERNETSERVICES-03unknown———
└ 72.51.44.56/321PEER1-DH-LAunknown———
└ 72.51.44.57/321PEER1-DH-LAunknown———
└ 72.51.44.68 - 72.51.44.7912INDIALINKS-WEB-HOSTING-AND-SERVICES-01unknown———
└ 72.51.44.159/321PEER1-DH-LAunknown———
└ 72.51.44.160/304BENCHMARKINTERNETunknown———
└ 72.51.44.168/298ZEBHOSTING-INC-01unknown———
└ 72.51.44.183/321PEER1-DH-LAunknown———
└ 72.51.44.190/321PEER1-DH-LAunknown———
└ 72.51.45.0/298MYINTERNETSERVICES-04unknown———
└ 72.51.45.31/321PEER1-DH-LAunknown———
└ 72.51.45.100/321PEER1-DH-LAunknown———
└ 72.51.45.160 - 72.51.45.17112INDIALINKS-WEB-HOSTING-AND-SERVICES-02unknown———
└ 72.51.45.176/321PEER1-DH-LAunknown———
└ 72.51.45.177/321PEER1-DH-LAunknown———
└ 72.51.45.178/321PEER1-DH-LAunknown———
└ 72.51.47.71/321POKERBRAT-4unknown———
└ 72.51.47.91/321PEER1-DH-LAunknown———
└ 72.51.47.92/321POKERBRAT-8unknown———
└ 72.51.47.93/321POKERBRAT-8unknown———
└ 72.51.47.94/321POKERBRAT-8unknown———
└ 72.51.47.95/321POKERBRAT-7unknown———
└ 72.51.47.102/321PEER1-DH-LAunknown———
└ 72.51.47.117/321POKERBRAT-9unknown———
└ 72.51.47.123/321POKERBRAT-2unknown———
└ 72.51.47.140/321POKERBRAT-6unknown———
└ 72.51.47.146/321PEER1-DH-LAunknown———
└ 72.51.47.159/321PEER1-DH-LAunknown———
└ 72.51.47.160/321POKERBRAT-3unknown———
└ 72.51.47.176/321POKERBRAT-4unknown———
└ 72.51.47.187/321PEER1-DH-LAunknown———
└ 72.51.47.188/321PEER1-DH-LAunknown———
└ 72.51.47.189/321PEER1-DH-LAunknown———
└ 72.51.47.190/321PEER1-DH-LAunknown———
└ 72.51.47.191/321PEER1-DH-LAunknown———
└ 72.51.47.192/321PEER1-DH-LAunknown———
└ 72.51.47.193/321PEER1-DH-LAunknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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
Reallocated to
ServerBeach (SERVE-32)
Reallocated range
72.51.32.0/20
Reallocated
Jan 19, 2007
Origin network

AS13768

CA
Name
Aptum Technologies
Type
Hosting
Registered
Jun 10, 2002
Domain
aptum.com
Website
aptum.com/contact/
Spamhaus ASN-DROP
not listed