Data as of Nov 9, 2026
173.21.106.0/24
No anonymizer space · no proxy exits in 30 daysMediacom Communications Corp
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 |
|---|---|---|---|---|---|---|
| 173.16.0.0/12 | 1,048,576 | MEDIACOM-RESIDENTIAL-CUST | Mediacom Communications Corp (MCC-244) · US | Direct Allocation | May 19, 2008 | abuse@ |
Network & registry
Origin network
AS30036
US
- Name
- Mediacom Communications Corp
- Type
- Internet provider
- Registered
- Feb 17, 2009
- Domain
- mediacomcable.com
- Website
- mediacomcc.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2019
- Current origin since
- Oct 2019 · 7.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.21.106.0/24 | AS19905 | /24 | ARIN | Another network |
| 173.21.106.0/24 | AS30036 | /24 | ARIN | RPKI valid |
| 173.16.0.0/12 | AS19905 | /12 | ARIN | Another network |
| 173.16.0.0/12 | AS30036 | /12 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30036 | ARIN | Mediacom Communications Corp | MNT-MCC-244 | Jun 18, 2024 |
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- MEDIACOM-RESIDENTIAL-CUST
- Registrant
- Mediacom Communications Corp (MCC-244)
- Organization
- Not stated by the registry
- Created
- May 19, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- May 19, 2008
- Status
- assigned