Data as of Nov 9, 2026

50.31.163.0/24

No anonymizer space · no proxy exits in 30 days

Grand Central Networks Inc. · space held by DEFT.COM

Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market

Path

1 · Holder
record created Feb 3, 2011
2 · Leased from
3 · Announced by
AS10493 Grand Central Networks Inc.
since Feb 2013 · 13.7 yr ago
4 · Use
Unknown

Lineage

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

50.31.163.0/24

From the registry to its use

  1. Feb 3, 2011
    Registry record
    DEFT.COM
    Direct Allocation
    50.31.128.0/17
  2. Oct 8, 2011– today
    Announced
    AS23352 DEFT.COM
    as part of 50.31.128.0/18
    50.31.128.0/18
  3. Jan 14, 2013
    Assigned
    Grand Central Networks Inc.
    Reassigned
    50.31.163.0/24
  4. Feb 15, 2013– today
    Announced
    AS10493 Grand Central Networks Inc.
    Internet provider
  5. Aug 19, 2025
    Route object
    AS10493 Grand Central Networks Inc.
    ARIN route object for AS10493 Grand Central Networks Inc., maintainer MNT-SL-2063
  6. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
50.31.128.0/18
since Oct 2011
AS23352HostingIP broker IPXODEFT.COM
50.31.128.0/17
since Feb 2011
AS23352HostingIP broker IPXODEFT.COM

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
50.31.128.0/1732,768SCN-3DEFT.COM (SL-2063) · USDirect AllocationFeb 3, 2011abuse@deft.com
└ 50.31.163.0/24256SCNET-50-31-163-0-1Grand Central Networks Inc. (GCN-13) · USReassignedJan 14, 2013—

Network & registry

IPv4 market

Holder

Organization
DEFT.COM
Handle
SL-2063
Range
50.31.128.0/17
Registration type
Direct Allocation
Record created
Feb 3, 2011
Origin network

AS10493

US
Name
Grand Central Networks Inc.
Type
Internet provider
Registered
Aug 27, 1997
Domain
grand-central.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed