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Data as of Nov 3, 2026

48.45.139.0/24

Anonymizer · ISP proxy

Comcast Cable Communications, LLC · space held by AviationAI

Announcement
this exact prefix
RPKI valid
Announced by
AS7922
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
AviationAI
record created Dec 10, 2025
2 · Leased from
AviationAI
its owner, directly
3 · Announced by
AS7922 Comcast Cable Communications, LLC
since Mar 2026 · 8 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 48.45.139.0/24/24s
AviationAI
256100%
1

Lineage

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

48.45.139.0/24

From the registry to its use

  1. Dec 10, 2025
    Registry record
    AviationAI
    Direct Allocation
    48.44.0.0/14
  2. Mar 8, 2026– Nov 2, 2026
    Announced
    AS7922 Comcast Cable Communications, LLC
    Internet provider
  3. Mar 17, 2026
    Route object
    AS7922 Comcast Cable Communications, LLC
    ARIN route object for AS7922 Comcast Cable Communications, LLC, maintainer MNT-AL-3130
  4. today
    Leased from
    AviationAI
    Lessor

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS7922

US
Name
Comcast Cable Communications, LLC
Type
Internet provider
Registered
Feb 14, 1997
Domain
comcast.com
Website
corporate.comcast.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed