LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

66.150.192.0/24

No anonymizer space · no proxy exits in 30 days

Charles River Operation · space held by PF IPV4 Borrower, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS64249
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
PF IPV4 Borrower, LLC
record created Jul 13, 2001
2 · Leased from
IPv4.Global
3 · Announced by
AS64249 Charles River Operation
since Sep 2024 · 2.2 yr ago
4 · Use
Hosting

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

66.150.192.0/24

From the registry to its use

  1. Jul 13, 2001
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    66.150.184.0 - 66.150.227.255
  2. May 9, 2005– today
    Announced
    AS14742 Unitas Global
    as part of 66.150.192.0/20
    66.150.192.0/20
  3. Oct 16, 2020
    Assigned
    Endoffice
    Reassigned
    66.150.192.0/24
  4. Aug 19, 2024
    Route object
    AS64249 Charles River Operation
    ALTDB route object for AS64249 Charles River Operation, maintainer MAINT-TOWARDEX
  5. Aug 19, 2024
    Route object
    AS64249 Charles River Operation
    RADB route object for AS64249 Charles River Operation, maintainer MAINT-AS27552
  6. Sep 2, 2024– today
    Announced
    AS64249 Charles River Operation
    Hosting
  7. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
66.150.192.0/20
since May 2005
AS14742UnknownIP broker IPv4.Global1PF IPV4 Borrower, LLC

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
66.150.184.0 - 66.150.227.25511,264PNAP-06-2001PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationJul 13, 2001ipinfo@hilcostreambank.com
└ 66.150.192.0/24256INAP-BSN-ENDOFFICE-66-150-192-0Endoffice (C07663616) · USReassignedOct 16, 2020ipinfo@hilcostreambank.com
via PNAP-06-2001

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
66.150.184.0 - 66.150.227.255
Registration type
Direct Allocation
Record created
Jul 13, 2001
Origin network

AS64249

US
Name
Charles River Operation
Type
Hosting
Registered
Apr 8, 2016
Domain
endoffice.com
Website
endoffice.com
Industry
Software Development
Spamhaus ASN-DROP
not listed
VPN servers
4