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Data as of Nov 5, 2026

66.40.0.0/18

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
66.40.0.0 - 66.40.107.25527,648MAXIM-4Aptum Technologies (PER1) · CADirect AllocationOct 31, 2000abuse@aptum.com
└ 66.40.0.0/24256MAX-CUSTNET-1219unknown———
└ 66.40.1.0/24256MAX-CUSTNET-960unknown———
└ 66.40.2.0/24256P1-LIQUIDNET-16unknown———
└ 66.40.3.0/24256MAX-CUSTNET-23251unknown———
└ 66.40.7.0/24256MAX-CUSTNET-23251unknown———
└ 66.40.8.0/24256MAX-CUSTNET-23251unknown———
└ 66.40.9.0/24256MAX-CUSTNET-989unknown———
└ 66.40.12.0/24256MAX-CUSTNET-1895Hunknown———
└ 66.40.14.0/24256MAX-CUSTNET-1317Hunknown———
└ 66.40.15.0/24256MAX-CUSTNET-1002unknown———
└ 66.40.16.192/2664P1-LIQUIDNET-15unknown———
└ 66.40.21.0/2816MAX-CUSTNET-1470Hunknown———
└ 66.40.21.64/2816MAX-CUSTNET-1710Hunknown———
└ 66.40.21.96/2816MAX-CUSTNET-1832Hunknown———
└ 66.40.21.112/2816MAX-CUSTNET-1069unknown———
└ 66.40.21.208/2816MAX-CUSTNET-1106unknown———
└ 66.40.22.80/2816MAX-CUSTNET-1159unknown———
└ 66.40.22.240/2816MAX-CUSTNET-1448Hunknown———
└ 66.40.23.0/2664MAX-CUSTNET-1614Hunknown———
└ 66.40.23.64/2664MAX-CUSTNET-1062unknown———
└ 66.40.23.128/2664MAX-CUSTNET-1615Hunknown———
└ 66.40.23.192/2664MAX-CUSTNET-1616Hunknown———
└ 66.40.26.32/2732MAX-CUSTNET-1729Hunknown———
└ 66.40.30.64/2664MAX-CUSTNET-1595Hunknown———
└ 66.40.30.128/2664MAX-CUSTNET-1711Hunknown———
└ 66.40.32.128/25128MAX-CUSTNET-1865Hunknown———
└ 66.40.33.0/24256MAX-CUSTNET-1319Hunknown———
└ 66.40.34.0/24256P1-LIQUIDNET-20unknown———
└ 66.40.37.0/24256MAX-CUSTNET-1772Hunknown———
└ 66.40.39.0/24256MAX-CUSTNET-1040unknown———
└ 66.40.40.0/24256MAX-CUSTNET-1056unknown———
└ 66.40.41.0/24256MAX-CUSTNET-1955Hunknown———
└ 66.40.42.0/24256MAX-CUSTNET-1171unknown———
└ 66.40.43.0/24256MAX-CUSTNET-1956Hunknown———
└ 66.40.48.0/24256MAX-CUSTNET-1172unknown———
└ 66.40.49.0/24256MAX-CUSTNET-1173unknown———
└ 66.40.50.0/24256MAX-CUSTNET-1098unknown———
└ 66.40.52.0/24256P1-LIQUIDNET-21unknown———
└ 66.40.54.0 - 66.40.54.254255MAX-CUSTNET-1126unknown———
└ 66.40.55.0/24256MAX-CUSTNET-23251unknown———
└ 66.40.56.0/24256P1-LIQUIDNET-23unknown———
└ 66.40.58.0/24256MAX-CUSTNET-1174unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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