Data as of Nov 7, 2026

66.40.128.0/19

No anonymizer space · no proxy exits in 30 days

Aptum Technologies

Announcement

this exact prefix

No RPKI

Announced by

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
66.40.128.0 - 66.40.175.255	12,288	MAXIM-4	Aptum Technologies (PER1) · CA	Direct Allocation	Oct 31, 2000	abuse@aptum.com
└ 66.40.135.200/29	8	MAX-CUSTNET-1489H	unknown	—	—	—
└ 66.40.135.224/27	32	MAX-CUSTNET-1490H	unknown	—	—	—
└ 66.40.136.0/29	8	MAX-CUSTNET-1506H	unknown	—	—	—
└ 66.40.136.8/29	8	MAX-CUSTNET-1507H	unknown	—	—	—
└ 66.40.136.40/29	8	MAX-CUSTNET-1493H	unknown	—	—	—
└ 66.40.136.48/29	8	MAX-CUSTNET-1508H	unknown	—	—	—
└ 66.40.136.56/29	8	MAX-CUSTNET-1498H	unknown	—	—	—
└ 66.40.136.80/29	8	MAX-CUSTNET-1472H	unknown	—	—	—
└ 66.40.136.88/29	8	MAX-CUSTNET-1501H	unknown	—	—	—
└ 66.40.136.112/29	8	MAX-CUSTNET-1503H	unknown	—	—	—
└ 66.40.136.128/28	16	MAX-CUSTNET-1496H	unknown	—	—	—
└ 66.40.136.176/29	8	MAX-CUSTNET-1504H	unknown	—	—	—
└ 66.40.136.184/29	8	MAX-CUSTNET-1505H	unknown	—	—	—
└ 66.40.136.192/29	8	MAX-CUSTNET-1488H	unknown	—	—	—
└ 66.40.136.208/29	8	MAX-CUSTNET-517H	unknown	—	—	—
└ 66.40.142.0/27	32	MAX-CUSTNET-2014H	unknown	—	—	—
└ 66.40.142.120/29	8	MAX-CUSTNET-1535H	unknown	—	—	—
└ 66.40.142.128/29	8	MAX-CUSTNET-1536H	unknown	—	—	—
└ 66.40.142.136/29	8	MAX-CUSTNET-1458H	unknown	—	—	—
└ 66.40.143.48/28	16	MAX-CUSTNET-1479H	unknown	—	—	—

Origin network