Data as of Nov 3, 2026
48.45.80.0/21
Anonymizer · ISP proxyComcast Cable Communications, LLC · space held by AviationAI
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Recent change
New origin Jul 2026
its first announcement on record
IPv4 market
Path
Announced by AS7922 since Jul 2026 · 4 mo ago
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 48.45.80.0/21 | /24s |
|---|---|---|
| AviationAI | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
48.45.80.0/21
From the registry to its use
- Dec 10, 2025Registry recordAviationAIDirect Allocation48.44.0.0/14
- Apr 25, 2026– Nov 2, 2026
- Jul 6, 2026– Nov 2, 2026
- Jul 18, 2026AssignedAspen NetworksReassigned48.45.80.0/20
- todayLeased fromAviationAILessor
- todayUsedOxylabsProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | RPKI |
|---|---|---|---|---|---|
| 48.45.64.0/18 since Apr 2026 | AS7922 | ISP proxy | Lessor AviationAI | 86 35 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] |
| └ 48.45.80.0/20 | 4,096 | ASPEN-FIBER-NETWORKS | Aspen Networks (C11653663) · US | Reassigned | Jul 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
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
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 48.44.0.0/14 | AS7922 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 48.45.80.0/20
- Netname
- ASPEN-FIBER-NETWORKS
- Registrant
- Aspen Networks
- Organization
- Aspen Networks (C11653663)
- Type
- Reassigned
- Handle
- NET-48-45-80-0-1
- Parent
- NET-48-44-0-0-1
- Created
- Jul 18, 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