Data as of Nov 3, 2026

199.243.239.0/24

No anonymizer space · no proxy exits in 30 days

Altafiber · space held by Bell Canada

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
199.243.0.0/16
since May 2005
AS577Residential121
4 always on
Bell Canada

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
199.243.0.0/1665,536WORLDLINX05Bell Canada (LINX) · CADirect AllocationApr 27, 1994[email protected]
└ 199.243.239.0/24256CBT18-03153-210300-20-20180713ONX Entreprise Solutions Ltd (C10997161) · CAReassignedOct 24, 2024[email protected]
via WORLDLINX05

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
Bell Canada
Handle
LINX
Range
199.243.0.0/16
Registration type
Direct Allocation
Record created
Apr 27, 1994
Legacy
yes
Origin network

AS395273

US
Name
Altafiber
Type
Internet provider
Registered
Jun 14, 2016
Domain
altafiber.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed