Data as of Nov 3, 2026
48.44.28.0/22
Anonymizer · ISP proxyComcast Cable Communications, LLC · space held by AviationAI
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin May 2026
its first announcement on record
IPv4 market
Path
Announced by AS7922 since May 2026 · 6 mo ago
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 48.44.28.0/22 | /24s |
|---|---|---|
| AviationAI | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
48.44.28.0/22
From the registry to its use
- Dec 10, 2025Registry recordAviationAIDirect Allocation48.44.0.0/14
- Jan 19, 2026– Nov 2, 2026
- May 19, 2026– Nov 2, 2026
- Sep 9, 2026AssignedShentel Management CompanyReassigned48.44.28.0/22
- todayLeased fromAviationAILessor
- todayUsedOxylabsProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Leased from | Proxy exits | RPKI |
|---|---|---|---|---|---|---|---|
| 48.44.0.0/17 since Jan 2026 | AS6079 | ISP proxy | 1,5364.7% | Proxy providerssold by Oxylabs | Lessor AviationAI | 146 37 always on |
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 48.44.0.0/14 | 262,144 | AVIATIONAI | AviationAI (AL-3130) · US | Direct Allocation | Dec 10, 2025 | [email protected] |
| └ 48.44.28.0/22 | 1,024 | SHENTEL | Shentel Management Company (C11704049) · US | Reassigned | Sep 9, 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
IPv4 market
Holder
- 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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 48.44.0.0/17 | AS6079 | /17 | ARIN | Another network |
| 48.44.0.0/14 | AS7922 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 48.44.28.0/22
- Netname
- SHENTEL
- Registrant
- Shentel Management Company
- Organization
- Shentel Management Company (C11704049)
- Type
- Reassigned
- Handle
- NET-48-44-28-0-1
- Parent
- NET-48-44-0-0-1
- Created
- Sep 9, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 10, 2025
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Admin
- Phone
- +1-307-381-1184
- Handle
- ADMIN9200-ARIN