Data as of Nov 5, 2026
50.218.4.0/24
No anonymizer space · no proxy exits in 30 daysSuperior Court of California, County of Sacramento · reallocated from Comcast Cable Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 50.128.0.0/9 since Mar 2011 | AS7922 | Residential | 11,485 1,129 always on | Comcast Cable Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 50.128.0.0/9 | 8,388,608 | CCCH3-4 | Comcast Cable Communications, LLC (CCCS) · US | Direct Allocation | Oct 21, 2010 | abuse@ |
| └ 50.218.4.0/24 | 256 | SUP-COURT-CA-COMCAST | Superior Court of California, County of Sacramento (SUPER-193) · US | Reallocated | Mar 18, 2024 | — |
Network & registry
IPv4 market
Holder
- Organization
- Comcast Cable Communications, LLC
- Handle
- CCCS
- Range
- 50.
128. 0. 0/ 9 - Registration type
- Direct Allocation
- Record created
- Oct 21, 2010
- Reallocated to
- Superior Court of California, County of Sacramento (SUPER-193)
- Reallocated range
- 50.
218. 4. 0/ 24 - Reallocated
- Mar 18, 2024
Origin network
AS22617
US
- Name
- Superior Court of California, County of Sacramento
- Type
- Business
- Registered
- Jan 15, 2010
- Domain
- ca.gov
- 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 2022
- Current origin since
- Jul 2022 · 4.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 50.218.4.0/24 | AS22617 | /24 | ARIN | RPKI valid |
| 50.128.0.0/9 | AS7922 | /9 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22617 | RADB | Comcast allocated prefix | MAINT-AS22617 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 50.
218. 4. 0/ 24 - Netname
- SUP-COURT-CA-COMCAST
- Registrant
- Superior Court of California, County of Sacramento
- Organization
- Superior Court of California, County of Sacramento (SUPER-193)
- Org address
- 720 Ninth Street, Sacramento, CA, 95814
- Org country
- US
- Type
- Reallocated
- Handle
- NET-50-218-4-0-1
- Parent
- NET-50-128-0-0-1
- Created
- Mar 18, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 21, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
comcast. net - Name
- Network Abuse and Policy Observance
- Phone
- +1-888-565-4329
- Handle
- NAPO-ARIN