Data as of Nov 11, 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
Risk
90 / 100 · Critical
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– today
- Jul 6, 2026– today
- 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 | 69 15 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 | scott@ |
| └ 48.45.80.0/20 | 4,096 | ASPEN-FIBER-NETWORKS | Aspen Networks (C11653663) · US | Reassigned | Jul 18, 2026 | scott@ 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
- scott@
sacjet. com - Name
- Admin
- Phone
- +1-307-381-1184
- Handle
- ADMIN9200-ARIN