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Data as of Nov 6, 2026

216.52.250.0/23

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc. · space held by PF IPV4 Borrower, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Unknown
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
PF IPV4 Borrower, LLC
record created Aug 24, 1998
2 · Leased from
IPv4.Global
3 · Announced by
AS3257 GTT Communications Inc.
since May 2025 · 17 mo ago
4 · Use
Unknown

Lineage

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

216.52.250.0/23

From the registry to its use

  1. Aug 24, 1998
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    216.52.250.0 - 216.52.255.255
  2. Aug 13, 2004
    Route object
    AS32873 Children's Oncology Group
    RADB route object for AS32873 Children's Oncology Group, maintainer MAINT-AS1828
  3. Aug 13, 2004
    Route object
    AS32873 Children's Oncology Group
    RADB route object for AS32873 Children's Oncology Group, maintainer MAINT-AS1828
    216.52.250.0/24
  4. Aug 13, 2004
    Route object
    AS32873 Children's Oncology Group
    RADB route object for AS32873 Children's Oncology Group, maintainer MAINT-AS1828
    216.52.251.0/24
  5. Jul 3, 2014
    Assigned
    Childrens Oncology Group
    Reassigned
    216.52.250.0/23
  6. May 24, 2025– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  7. Feb 20, 2026
    Route object
    AS10912 Unitas Global
    RADB route object for AS10912 Unitas Global, maintainer MAINT-AS1828
  8. today
    Leased from
    IPv4.Global
    IP broker

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
216.52.250.0 - 216.52.255.2551,536UG-210PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationAug 24, 1998ipinfo@hilcostreambank.com
└ 216.52.250.0/23512INAP-LAX-NCCF-216-52-250-0Childrens Oncology Group (C05147169) · USReassignedJul 3, 2014ipinfo@hilcostreambank.com
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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
216.52.250.0 - 216.52.255.255
Registration type
Direct Allocation
Record created
Aug 24, 1998
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