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Data as of Nov 3, 2026

198.233.66.0/23

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 Jul 26, 1993
2 · Leased from
IPNetZone
3 · Announced by
AS3257 GTT Communications Inc.
since Sep 2018 · 8.1 yr ago
4 · Use
Unknown

Lineage

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

198.233.66.0/23

From the registry to its use

  1. Jul 26, 1993
    Registry record
    CenturyLink Communications, LLC
    Direct Allocation (legacy, pre-1997)
    198.233.0.0/16
  2. May 9, 2005– Nov 2, 2026
    Announced
    AS209 CenturyLink Communications, LLC
    as part of 198.233.0.0/16
    198.233.0.0/16
  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. Sep 10, 2018– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  6. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
198.233.0.0/16
since May 2005
AS209Residential8CenturyLink Communications, LLC

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