Data as of Nov 6, 2026

66.59.66.0/26

No anonymizer space · no proxy exits in 30 days

Frontline Communications

Announcement
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
66.59.64.0/204,096SINEP-BLOCK-2Frontline Communications (SINEP-1) · USDirect AllocationJan 5, 2001abuse@frontline.net
└ 66.59.66.0/2664HUMOR-RAINBOW-1unknown———

Network & registry

Announced by

Covering announcement 66.59.64.0/20

Prefix
66.59.64.0/20
Announced by
AS4906 Frontline Communications
Type
Hosting
RPKI
No RPKI
Netname
SINEP-BLOCK-2
Registrant
Frontline Communications
RIR
ARIN
Origin network

AS4906

US
Name
Frontline Communications
Type
Hosting
Registered
Sep 28, 2009
Domain
frontline.net
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed