LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

48.46.152.0/21

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
Recent change
New origin Aug 2026
its first announcement on record
IPv4 market

Path

Announced by AS7922 since Aug 2026 · 12 wk ago
1 · Holder
AviationAI
record created Dec 10, 2025
2 · Leased from
AviationAI
its owner, directly
3 · Announced by
AS7922 Comcast Cable Communications, LLC
since Aug 2026 · 12 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 48.46.152.0/21/24s
AviationAI
2,048100%
8

Lineage

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

48.46.152.0/21

From the registry to its use

  1. Dec 10, 2025
    Registry record
    AviationAI
    Direct Allocation
    48.44.0.0/14
  2. Apr 25, 2026– today
    Announced
    AS7922 Comcast Cable Communications, LLC
    as part of 48.46.128.0/18
    48.46.128.0/18
  3. Jul 18, 2026
    Assigned
    Mauswerks LLC
    Reassigned
    48.46.128.0/19
  4. Aug 11, 2026– today
    Announced
    AS7922 Comcast Cable Communications, LLC
    Internet provider
  5. today
    Leased from
    AviationAI
    Lessor

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
48.46.128.0/18
since Apr 2026
AS7922ISP proxyLessor AviationAI2

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
48.44.0.0/14262,144AVIATIONAIAviationAI (AL-3130) · USDirect AllocationDec 10, 2025[email protected]
└ 48.46.128.0/198,192NYCMauswerks LLC (C11653660) · USReassignedJul 18, 2026[email protected]
via AVIATIONAI

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AviationAI
Handle
AL-3130
Range
48.44.0.0/14
Registration type
Direct Allocation
Record created
Dec 10, 2025
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