Data as of Nov 15, 2026
173.27.20.0/24
No anonymizer space · no proxy exits in 30 daysMediacom Communications Corp
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jun 2026
from AS30036 Mediacom Communications Corp
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
- Jun 2010
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jul 2011
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.27.20.0/24 | AS19905 | /24 | ARIN | Another network |
| 173.27.20.0/24 | 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 | Jan 6, 2026 |
Whois
Registration for this announcement
- Range
- 173.
16. 0. 0/ 12 - Netname
- MEDIACOM-RESIDENTIAL-CUST
- Registrant
- Mediacom Communications Corp
- Organization
- Mediacom Communications Corp (MCC-244)
- Org address
- 1 Mediacom Way, Mediacom Park, NY, 10918
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-16-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- May 19, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- May 19, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
mediacombb. net - Name
- Mediacom Abuse
- Phone
- +1-845-695-2600;ext2600
- Handle
- MEDIA2-ARIN