Data as of Nov 9, 2026
23.230.200.0/21
Anonymizer · ISP proxyComcast Cable Communications, LLC · space held by EGIHosting
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 28, 2026
from AS18779 EGIHosting
registry: reallocated to SkyQuantum Internet Service by EGIHosting, Oct 20, 2026
IPv4 market
Path
Reallocated to SkyQuantum Internet Service · Oct 20, 2026 · 3 wk ago · by EGIHosting
1 · Holder
record created Sep 11, 2013 · reallocated to SkyQuantum Internet Service Oct 20, 2026
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 23.230.200.0/21 | /24s |
|---|---|---|
| EGIHosting | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
23.230.200.0/21
From the registry to its use
- Sep 11, 2013Registry recordEGIHostingDirect Allocation23.230.0.0/16
- Dec 26, 2025– Sep 3, 2026
- Sep 4, 2026Route objectAS33651 Comcast Cable Communications, LLCARIN route object for AS33651 Comcast Cable Communications, LLC, maintainer MNT-EGNL-1
- Sep 4, 2026Route objectAS33667 Comcast Cable Communications, LLCARIN route object for AS33667 Comcast Cable Communications, LLC, maintainer MNT-EGNL-1
- Sep 28, 2026– today
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.200.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.201.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.203.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.204.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.205.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.206.0/24
- Oct 9, 2026Route objectAS33651 Comcast Cable Communications, LLCRADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS5520123.230.207.0/24
- Oct 20, 2026ReallocatedSkyQuantum Internet ServiceReallocated23.230.200.0/21
- todayLeased fromEGIHostingLessor
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 |
|---|---|---|---|---|---|---|
| 23.230.0.0/16 | 65,536 | EGNL-1 | EGIHosting (EGNL-1) · US | Direct Allocation | Sep 11, 2013 | abuse@ |
| └ 23.230.200.0/21 | 2,048 | NET-23-230-200-0-1 | SkyQuantum Internet Service (SISL-43) · US | Reallocated | Oct 20, 2026 | abuse@ |
| └ 23.230.200.0/22 | 1,024 | NET-23-230-200-0 | Comcast Cable Communications, LLC (C11743443) · US | Reassigned | Oct 20, 2026 | abuse@ via NET-23-230-200-0-1 |
| └ 23.230.204.0/22 | 1,024 | NET-23-230-204-0 | Comcast Cable Communications, LLC (C11743446) · US | Reassigned | Oct 20, 2026 | abuse@ via NET-23-230-200-0-1 |
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
- EGIHosting
- Handle
- EGNL-1
- Range
- 23.
230. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 11, 2013
- Reallocated to
- SkyQuantum Internet Service (SISL-43)
- Reallocated range
- 23.
230. 200. 0/ 21 - Reallocated
- Oct 20, 2026
Origin network
AS33651
US
- Name
- Comcast Cable Communications, LLC
- Type
- Internet provider
- Registered
- Feb 16, 2005
- Domain
- comcast.com
- Website
- corporate.comcast.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2025
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 2
- Last change of origin
- Sep 28, 2026
Recorded history
History
- Handoffs
- 1
- Also announced by
- 33667
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 23.230.200.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.201.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.203.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.204.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.205.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.206.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
| 23.230.207.0/24 | AS33651 | RADB | Route for AS33651 | MAINT-AS55201 | Oct 9, 2026 |
Whois
Registration for this announcement
- Range
- 23.
230. 200. 0/ 21 - Netname
- NET-23-230-200-0-1
- Registrant
- SkyQuantum Internet Service
- Organization
- SkyQuantum Internet Service (SISL-43)
- Org address
- 30 N Gould St Ste N, Sheridan, WY, 82801
- Org country
- US
- Type
- Reallocated
- Handle
- NET-23-230-200-0-1
- Parent
- NET-23-230-0-0-1
- Created
- Oct 20, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 11, 2013
- Status
- assigned
Report abuse
Abuse contact
- abuse@
adsl. cat - Name
- Abuse
- Phone
- +1-971-333-0066
- Handle
- ABUSE9697-ARIN