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Data as of Nov 4, 2026

63.251.56.192/27

No anonymizer space · no proxy exits in 30 days

SymbioSystems LLC · space held by PF IPV4 Borrower, LLC

Announcement
63.251.56.0/24
No RPKI
Announced by
AS25985
Type
Business
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
PF IPV4 Borrower, LLC
record created Dec 2, 1999
2 · Leased from
IPv4.Global
3 · Announced by
AS25985 SymbioSystems LLC
since May 2018 · 8.5 yr ago
4 · Use
Business

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
63.251.48.0/20
since May 2005
AS14743UnknownIP broker IPv4.GlobalPF IPV4 Borrower, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
63.251.16.0 - 63.251.85.25517,920UG-210PF IPV4 Borrower, LLC (PIHL-4) · USDirect AllocationDec 2, 1999[email protected]
└ 63.251.56.192/2732INAP-SFO-MULTIFAMILY-4020unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 63.251.56.0/24

Prefix
63.251.56.0/24
Announced by
AS25985 SymbioSystems LLC
Type
Business
Leased from
IP broker IPv4.Global
RPKI
No RPKI
Netname
UG-210
Registrant
PF IPV4 Borrower, LLC
RIR
ARIN
Origin network

AS25985

US
Name
SymbioSystems LLC
Type
Business
Registered
Feb 1, 2013
Domain
symbiosystems.com
Industry
Service
Spamhaus ASN-DROP
not listed