Data as of Nov 6, 2026
184.74.72.0/24
No anonymizer space · no proxy exits in 30 daysSynergent · space held by Charter Communications Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 184.74.0.0/17 since Feb 2010 | AS11351 | Residential | 76 8 always on | Charter Communications Inc |
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 |
|---|---|---|---|---|---|---|
| 184. | 98,304 | RCNY | Charter Communications Inc (CC-3517) · US | Direct Allocation | Feb 16, 2010 | abuse@ |
| └ 184.74.72.0/24 | 256 | NET-184-74-72-0-1 | SYNERGENT (C07215815) · US | Reassigned | Oct 26, 2018 | abuse@ via RCNY |
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
- Charter Communications Inc
- Handle
- CC-3517
- Range
- 184.
74. 0. 0 - 184. 75. 127. 255 - Registration type
- Direct Allocation
- Record created
- Feb 16, 2010
Origin network
AS63243
US
- Name
- Synergent
- Type
- Business
- Registered
- Oct 3, 2014
- Domain
- synergentcorp.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Nov 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 184.74.72.0/24 | AS63243 | /24 | ARIN | RPKI valid |
| 184.74.0.0/17 | AS11351 | /17 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS63243 | RADB | RR-RC-Synergent-Portland | MAINT-RR | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 184.
74. 72. 0/ 24 - Netname
- NET-184-74-72-0-1
- Registrant
- SYNERGENT
- Organization
- SYNERGENT (C07215815)
- Type
- Reassigned
- Handle
- NET-184-74-72-0-1
- Parent
- NET-184-74-0-0-1
- Created
- Oct 26, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 16, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
charter. net - Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN