Data as of Nov 5, 2026

70.42.22.0/23

No anonymizer space · no proxy exits in 30 days

Quinstreet, Inc. · space held by PF IPV4 Borrower, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
record created Sep 29, 2005
2 · Leased from
3 · Announced by
AS25878 Quinstreet, Inc.
since Nov 2007 · 19.0 yr ago
4 · Use
Business

Lineage

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

70.42.22.0/23

From the registry to its use

  1. Sep 29, 2005
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    70.42.0.0 - 70.42.83.255
  2. Jul 8, 2006– today
    Announced
    AS14743 Unitas Global
    as part of 70.42.16.0/21
    70.42.16.0/21
  3. Oct 30, 2006
    Assigned
    QuinStreet, Inc.
    Reassigned
    70.42.22.0/23
  4. Nov 15, 2007– today
    Announced
    AS25878 Quinstreet, Inc.
    Business
  5. Aug 22, 2016
    Route object
    AS25878 Quinstreet, Inc.
    RADB route object for AS25878 Quinstreet, Inc., maintainer MAINT-AS1828
  6. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
70.42.16.0/21
since Jul 2006
AS14743UnknownIP broker IPv4.GlobalPF 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
70.42.0.0 - 70.42.83.25521,504PNAP-09-2005PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationSep 29, 2005ipinfo@hilcostreambank.com
└ 70.42.22.0/23512INAP-SFO-QUINSTREET-10878QuinStreet, Inc. (C01483328) · USReassignedOct 30, 2006ipinfo@hilcostreambank.com
via PNAP-09-2005

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

IPv4 market

Holder

Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
70.42.0.0 - 70.42.83.255
Registration type
Direct Allocation
Record created
Sep 29, 2005
Origin network

AS25878

US
Name
Quinstreet, Inc.
Type
Business
Registered
Oct 22, 2007
Domain
quinstreet.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed