LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

138.226.48.0/21

Anonymizer · ISP proxy

Comcast Cable Communications, LLC · space held by Aviation RE LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS33667
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Nov 9, 2026
from AS33651 Comcast Cable Communications, LLC
IPv4 market

Path

Announced by AS33667 since Nov 9, 2026 · this week
1 · Holder
Aviation RE LLC
record created Feb 5, 2026
2 · Leased from
AviationAI
its owner, directly
3 · Announced by
AS33667 Comcast Cable Communications, LLC
since Nov 9, 2026 · this week
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 138.226.48.0/21/24s
AviationAI
2,048100%
8

Lineage

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

138.226.48.0/21

From the registry to its use

  1. Aug 28, 2025– Sep 8, 2025
    Announced
    AS33651 Comcast Cable Communications, LLC
    Internet provider
  2. Sep 9, 2025– Sep 20, 2026
    Announced
    AS33667 Comcast Cable Communications, LLC
    Internet provider
  3. Feb 5, 2026
    Registry record
    Aviation RE LLC
    LEGACY
    138.226.0.0 - 138.226.211.255
  4. Jun 16, 2026
    Route object
    AS33651 Comcast Cable Communications, LLC
    RIPE route object for AS33651 Comcast Cable Communications, LLC, maintainer MNT-US-AVIATION-1
  5. Sep 18, 2026– Nov 8, 2026
    Announced
    AS33651 Comcast Cable Communications, LLC
    Internet provider
  6. Nov 9, 2026– today
    Announced
    AS33667 Comcast Cable Communications, LLC
    Internet provider
  7. today
    Leased from
    AviationAI
    Lessor
  8. today
    Leased from
    IPXO
    IP broker

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
138.226.0.0 - 138.226.211.25554,272US-AVIATION-19930901Aviation RE LLC (ORG-ARL10-RIPE) · USLEGACYFeb 5, 2026ripe@sacjet.com
└ 138.226.48.0/221,024IP-NET-MOBILITYWireless Network (ORG-IA2050-RIPE)LEGACYJun 21, 2026services@ipnetmobility.com
└ 138.226.52.0/221,024IP-Net-MobilityWireless Network (ORG-IA2050-RIPE)LEGACYJun 21, 2026services@ipnetmobility.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS33667

US
Name
Comcast Cable Communications, LLC
Type
Internet provider
Registered
Feb 16, 2005
Domain
comcast.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed