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Data as of Nov 5, 2026

63.239.116.0/23

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc. · space held by CenturyLink Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Unknown
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
CenturyLink Communications, LLC
record created Nov 19, 1999
2 · Leased from
IPNetZone
3 · Announced by
AS3257 GTT Communications Inc.
since Jul 2018 · 8.3 yr ago
4 · Use
Unknown

Lineage

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

63.239.116.0/23

From the registry to its use

  1. Nov 19, 1999
    Registry record
    CenturyLink Communications, LLC
    Direct Allocation
    63.236.0.0/14
  2. May 9, 2005– Apr 15, 2010
    Announced
    AS23314 Summit Broadband
    Internet provider
  3. Aug 18, 2011– Apr 22, 2015
    Announced
    AS20077 IPNetZone
  4. Aug 24, 2011
    Route object
    AS20077 IPNetZone
    RADB route object for AS20077 IPNetZone, maintainer MAINT-AS3257
  5. Jul 12, 2018– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  6. Sep 18, 2026– today
    Announced
    AS209 CenturyLink Communications, LLC
    as part of 63.224.0.0/12
    63.224.0.0/12
  7. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
63.224.0.0/12AS209Residential1,092
100 always on

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS3257

US
Name
GTT Communications Inc.
Type
Internet provider
Registered
Sep 30, 1994
Domain
gtt.net
Website
www.gtt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
244