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Data as of Nov 6, 2026

154.57.138.0/24

Anonymizer · VPN

31173 Services AB · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS39351
Type
VPN
Risk
75 / 100 · High
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992
2 · Leased from
not leased
3 · Announced by
AS39351 31173 Services AB
since Oct 2025 · 13 mo ago
4 · Use
VPN
anonymizer space, operator not named

Lineage

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

154.57.138.0/24

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.57.0.0/16
  2. May 9, 2005– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.48.0.0/12
    154.48.0.0/12
  3. Sep 5, 2025
    Route object
    AS39351 31173 Services AB
    RADB route object for AS39351 31173 Services AB, maintainer MAINT-AS174
  4. Oct 3, 2025– today
    Announced
    AS39351 31173 Services AB
    Hosting

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorProxy exitsRPKI
154.48.0.0/12
since May 2005
AS174Internet provider9,9840.95%ISP proxyProxy providerssold by Oxylabs, QuarkIP12,823
2,400 always on

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS39351

SE
Name
31173 Services AB
Type
Hosting
Registered
Feb 6, 2006
Domain
31173.se
Website
www.31173.se
Spamhaus ASN-DROP
not listed
VPN servers
73