Data as of Nov 9, 2026
24.104.73.0/24
No anonymizer space · no proxy exits in 30 daysComcast Cable Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 24.104.0.0/17 since Aug 2015 | AS7922 | Business | 26 3 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 |
|---|---|---|---|---|---|---|
| 24. | 40,960 | COMCAST-BUSINESS-BLK3 | Comcast Cable Communications, LLC (CCCS) · US | Direct Allocation | Feb 13, 1997 | abuse@ |
| └ 24.104.73.0/25 | 128 | AEGIS-BLCA-73-127 | unknown | — | — | — |
| └ 24.104.73.128/27 | 32 | BLCA-24-104-73-128 | unknown | — | — | — |
| └ 24.104.73.160/27 | 32 | BLCA-24-104-73-160 | unknown | — | — | — |
| └ 24.104.73.192/27 | 32 | BLCA-24-104-73-192 | unknown | — | — | — |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 24.104.73.0/24 | AS33651 | /24 | ARIN | RPKI valid |
| 24.104.73.0/24 | AS33667 | /24 | ARIN | Another network |
| 24.104.0.0/17 | AS7922 | /17 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 24.
104. 0. 0 - 24. 104. 159. 255 - Netname
- COMCAST-BUSINESS-BLK3
- Registrant
- Comcast Cable Communications, LLC
- Organization
- Comcast Cable Communications, LLC (CCCS)
- Org address
- 1800 Bishops Gate Blvd, Mt Laurel, NJ, 08054
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-24-104-0-0-1
- Parent
- NET-24-0-0-0-0
- Created
- Feb 13, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 13, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
comcast. net - Name
- Network Abuse and Policy Observance
- Phone
- +1-888-565-4329
- Handle
- NAPO-ARIN