Data as of Nov 9, 2026
204.213.198.0/23
No anonymizer space · no proxy exits in 30 daysEze Castle Software LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.212.0.0/14 since May 2024 | AS174 | Internet provider | 37 2 always on | 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 |
|---|---|---|---|---|---|---|
| 204.212.0.0/14 | 262,144 | COGENT-204-212-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 11, 1994 | abuse@ |
| └ 204.213.198.0/23 | 512 | SPRINTLINK | Eze Castle Software LLC (ECS-101) · US | Reassigned | Nov 10, 2022 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
212. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Dec 11, 1994
- Legacy
- yes
Origin network
AS10461
US
- Name
- Eze Castle Software LLC
- Type
- Business
- Registered
- Aug 11, 1997
- Domain
- ezecastlesoftware.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
213. 198. 0/ 23 - Netname
- SPRINTLINK
- Registrant
- Eze Castle Software LLC
- Organization
- Eze Castle Software LLC (ECS-101)
- Org address
- 12 Farnsworth Street, Floor 6, Boston, MA, 02210
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-213-198-0-1
- Parent
- NET-204-212-0-0-1
- Created
- Nov 10, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 11, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN