Data as of Nov 6, 2026
64.74.175.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by PF IPV4 Borrower, LLC
IPv4 market
Path
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
64.74.175.0/24
From the registry to its use
- Apr 5, 2000Registry recordPF IPV4 Borrower, LLCDirect Allocation64.74.96.0 - 64.74.255.255
- Aug 13, 2004Route objectAS32873 Children's Oncology GroupRADB route object for AS32873 Children's Oncology Group, maintainer MAINT-AS1828
- May 9, 2005– today
- May 9, 2005– Jun 4, 2025AnnouncedAS32873 Children's Oncology Group
- Jul 3, 2014AssignedChildrens Oncology GroupReassigned64.74.175.0/24
- May 24, 2025– today
- todayLeased fromIPv4.GlobalIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 64.74.160.0/20 since May 2005 | AS10912 | Hosting | IP broker IPv4.Global | 6 | 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 |
|---|---|---|---|---|---|---|
| 64. | 40,960 | UG-210 | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Apr 5, 2000 | ipinfo@ |
| └ 64.74.175.0/24 | 256 | INAP-LAX-NCCF-64-74-175-0 | Childrens Oncology Group (C05147177) · US | Reassigned | Jul 3, 2014 | ipinfo@ via UG-210 |
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
- 64.
74. 96. 0 - 64. 74. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 5, 2000
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- May 2025 · 1.5 yr
- Origin networks
- 2
- Last change of origin
- May 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS32873 not the origin | RADB | PNAP-LAX Children's Oncology Group | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 64.
74. 175. 0/ 24 - Netname
- INAP-LAX-NCCF-64-74-175-0
- Registrant
- Childrens Oncology Group
- Organization
- Childrens Oncology Group (C05147177)
- Type
- Reassigned
- Handle
- NET-64-74-175-0-1
- Parent
- NET-64-74-96-0-1
- Created
- Jul 3, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 5, 2000
- Status
- assigned
Report abuse
Abuse contact
- ipinfo@
hilcostreambank. com - Name
- IP Admin
- Phone
- +1-212-610-5663
- Handle
- IPADM814-ARIN