Data as of Nov 4, 2026

8.35.16.0/21

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc. · space held by Level 3 Parent, LLC

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

Path

1 · Holder
record created Dec 1, 1992
2 · Leased from
3 · Announced by
AS3257 GTT Communications Inc.
since Nov 2016 · 10.0 yr ago
4 · Use
Unknown

Lineage

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

8.35.16.0/21

From the registry to its use

  1. Dec 1, 1992
    Registry record
    Level 3 Parent, LLC
    Direct Allocation (legacy, pre-1997)
    8.8.9.0 - 8.127.255.255
  2. Nov 5, 2013
    Route object
    AS20077 IPNetZone
    RADB route object for AS20077 IPNetZone, maintainer MAINT-AS3257
  3. Feb 1, 2016– Nov 18, 2016
    Announced
    AS20077 IPNetZone
  4. Nov 7, 2016– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. Sep 18, 2026– today
    Announced
    AS3356 Level 3 Parent, LLC
    as part of 8.32.0.0/12
    8.32.0.0/12
  6. today
    Leased from
    IPNetZone
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
8.32.0.0/12AS3356Internet provider1,984
407 always on
Level 3 Parent, LLC
8.0.0.0/9AS3356Internet provider5,600
930 always on

Network & registry

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