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Data as of Nov 14, 2026

38.131.156.0/24

No anonymizer space · no proxy exits in 30 days

Atlantic · space held by Cogent Communications, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS402703
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS174 Cogent Communications, LLC
registry: reallocated to Atlantic Carrier Group LLC by Cogent Communications, LLC, Oct 14, 2026

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)397,758
74,175 always on
Cogent Communications, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.131.156.0/24256ACG-CGNT-NET-1Atlantic Carrier Group LLC (ACGL-20) · USReallocatedOct 14, 2026—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
38.0.0.0/8
Registration type
Direct Allocation
Record created
Apr 16, 1991
Legacy
yes
Reallocated to
Atlantic Carrier Group LLC (ACGL-20)
Reallocated range
38.131.156.0/24
Reallocated
Oct 14, 2026
Origin network

AS402703

US
Name
Atlantic
Type
Business
Registered
Jul 6, 2026
Domain
shorelightfiber.com
Spamhaus ASN-DROP
not listed