Data as of Nov 11, 2026
204.4.76.0/24
No anonymizer space · no proxy exits in 30 daysArentFox Schiff LLP · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.4.0.0/14 since May 2005 | AS174 | Internet provider | 2 | Cogent 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 |
|---|---|---|---|---|---|---|
| 204.4.0.0/14 | 262,144 | COGENT-204-4-14 | Cogent Communications, LLC (COGC) · US | Direct Allocation | May 5, 1994 | abuse@ |
| └ 204. | 3,584 | AFKPK-C | Arent,Fox,Kinter,Plotkin, & Kahn (C00005456) · US | Reassigned | Apr 14, 1995 | abuse@ via COGENT-204-4-14 |
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
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
4. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- May 5, 1994
- Legacy
- yes
Origin network
AS54407
US
- Name
- ArentFox Schiff LLP
- Type
- Business
- Registered
- Feb 10, 2012
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2013
- Current origin since
- Aug 2018 · 8.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2018
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 204.
4. 64. 0 - 204. 4. 77. 255 - Netname
- AFKPK-C
- Registrant
- Arent,Fox,Kinter,Plotkin, & Kahn
- Organization
- Arent,Fox,Kinter,Plotkin, & Kahn (C00005456)
- Type
- Reassigned
- Handle
- NET-204-4-64-0-1
- Parent
- NET-204-4-0-0-1
- Created
- Apr 14, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- May 5, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN