Data as of Nov 5, 2026

63.251.166.0/24

No anonymizer space · no proxy exits in 30 days

WatchGuard Technologies, 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 Dec 2, 1999
2 · Leased from
3 · Announced by
AS46501 WatchGuard Technologies, Inc.
since Aug 2018 · 8.2 yr ago
4 · Use
Business

Lineage

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

63.251.166.0/24

From the registry to its use

  1. Dec 2, 1999
    Registry record
    PF IPV4 Borrower, LLC
    Direct Allocation
    63.251.128.0 - 63.251.200.255
  2. May 9, 2005– today
    Announced
    AS14744 Unitas Global
    as part of 63.251.160.0/20
    63.251.160.0/20
  3. Jun 1, 2011– Sep 1, 2011
    Announced
    AS6993 Unitas Global
  4. May 12, 2014
    Route object
    AS46671 Zoosk Inc.
    RADB route object for AS46671 Zoosk Inc., maintainer MAINT-AS1828
  5. May 1, 2018
    Assigned
    Watchguard Technologies Inc
    Reassigned
    63.251.166.0/24
  6. Aug 17, 2018– today
    Announced
    AS46501 WatchGuard Technologies, Inc.
    Business
  7. today
    Leased from
    IPv4.Global
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
63.251.160.0/20
since May 2005
AS14744UnknownIP 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
63.251.128.0 - 63.251.200.25518,688UG-210PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationDec 2, 1999ipinfo@hilcostreambank.com
└ 63.251.166.0/24256INAP-SEF-WATCHGUARD-63-251-166-0Watchguard Technologies Inc (C06972717) · USReassignedMay 1, 2018ipinfo@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

IPv4 market

Holder

Organization
PF IPV4 Borrower, LLC
Handle
PIHL-4
Range
63.251.128.0 - 63.251.200.255
Registration type
Direct Allocation
Record created
Dec 2, 1999
Origin network

AS46501

US
Name
WatchGuard Technologies, Inc.
Type
Business
Registered
Sep 12, 2022
Domain
watchguard.com
Industry
Software Development
Spamhaus ASN-DROP
not listed