Data as of Nov 10, 2026
204.157.167.0/24
No anonymizer space · no proxy exits in 30 daysDC Internet Eireli · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.157.164.0/22 since May 2026 | AS13536 | Unknown | 33 5 always on | Cogent Communications, LLC | |
| 204.157.0.0/16 since Jun 2005 | AS174 | Internet provider | 5,297 1,636 always on | Cogent Communications, LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 204.157.0.0/16 | 65,536 | COGENT-204-157-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 21, 1994 | abuse@ |
| └ 204.157.166.0/23 | 512 | DCINTERNET-CGNT-NET-1 | DC Internet LTDA (C09803822) · BR | Reassigned | Jul 12, 2023 | abuse@ via COGENT-204-157-16 |
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
Announced by
Covering announcement 204.157.166.0/23
- Prefix
- 204.157.166.0/23
- Announced by
- AS272744 DC Internet Eireli
- Type
- Residential
- Proxy exits
- 30
- Always-on exits
- 5
- RPKI
- RPKI valid
- Netname
- DCINTERNET-CGNT-NET-1
- Registrant
- DC Internet LTDA
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
157. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 21, 1994
- Legacy
- yes
Origin network
AS272744
BR
- Name
- DC Internet Eireli
- Type
- Internet provider
- Registered
- Jul 11, 2022
- Domain
- dcinternet.com.br
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
204.157.166.0/23
Routing history
- Pattern
- Stable
- First seen
- Aug 2023
- Current origin since
- Aug 2023 · 3.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.157.166.0/23 | AS272744 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 204.
157. 166. 0/ 23 - Netname
- DCINTERNET-CGNT-NET-1
- Registrant
- DC Internet LTDA
- Organization
- DC Internet LTDA (C09803822)
- Type
- Reassigned
- Handle
- NET-204-157-166-0-1
- Parent
- NET-204-157-0-0-1
- Created
- Jul 12, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 21, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN