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Data as of Nov 8, 2026

38.207.0.0/18

Anonymizer · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS135097 Luogelang (France) Limited
IPv4 market

Path

Announced by AS174 since Aug 2026 · 13 wk ago
1 · Holder
Cogent Communications, LLC
record created Apr 16, 1991
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since Aug 2026 · 13 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Lineage

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

38.207.0.0/18

From the registry to its use

  1. Apr 16, 1991
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    38.0.0.0/8
  2. Nov 12, 2022– Nov 7, 2025
    Announced
    AS135097 Luogelang (France) Limited
    Hosting
  3. Aug 11, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. Sep 18, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 38.0.0.0/8
    38.0.0.0/8

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet provider62,7260.37%ISP proxy, Datacenter proxy, VPNProxy providerssold by Oxylabs, QuarkIP, HypeProxy, Novada, MyPrivateProxyVPN servicesoperated by Windscribe, VPN GateIP broker Rackdog (part)403,985
78,265 always on
Cogent Communications, LLC

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658