Data as of Nov 14, 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

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jun 2011
Current origin since
Aug 2018 · 8.2 yr
Origin networks
2
Last change of origin
Aug 2018
Recorded history

History

Handoffs
1