Data as of Nov 14, 2026
70.42.22.0/23
No anonymizer space · no proxy exits in 30 daysQuinstreet, Inc. · space held by PF IPV4 Borrower, LLC
IPv4 market
Path
2 · Leased from
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
- Sep 29, 2005Registry recordPF IPV4 Borrower, LLCDirect Allocation70.42.0.0 - 70.42.83.255
- Jul 8, 2006– today
- Oct 30, 2006AssignedQuinStreet, Inc.Reassigned70.42.22.0/23
- Nov 15, 2007– today
- Aug 22, 2016Route objectAS25878 Quinstreet, Inc.RADB route object for AS25878 Quinstreet, Inc., maintainer MAINT-AS1828
- todayLeased fromIPv4.GlobalIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 70.42.16.0/21 since Jul 2006 | AS14743 | Unknown | IP broker IPv4.Global | PF 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 70. | 21,504 | PNAP-09-2005 | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Sep 29, 2005 | ipinfo@ |
| └ 70.42.22.0/23 | 512 | INAP-SFO-QUINSTREET-10878 | QuinStreet, Inc. (C01483328) · US | Reassigned | Oct 30, 2006 | ipinfo@ 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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2007
- Current origin since
- Nov 2007 · 19 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25878 | RADB | PNAP-SFO Quinstreet Route | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 70.
42. 22. 0/ 23 - Netname
- INAP-SFO-QUINSTREET-10878
- Registrant
- QuinStreet, Inc.
- Organization
- QuinStreet, Inc. (C01483328)
- Type
- Reassigned
- Handle
- NET-70-42-22-0-1
- Parent
- NET-70-42-0-0-1
- Created
- Oct 30, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 29, 2005
- Status
- assigned
Report abuse
Abuse contact
- ipinfo@
hilcostreambank. com - Name
- IP Admin
- Phone
- +1-212-610-5601
- Handle
- IPADM814-ARIN