Data as of Nov 15, 2026
216.28.253.0/24
No anonymizer space · no proxy exits in 30 daysTera Solucoes · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.28.248.0/21 since Oct 2025 | AS271023 | Residential | 117 10 always on | Cogent Communications, LLC | |
| 216.28.0.0/15 since May 2005 | AS174 | Internet provider | 3,314 860 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 |
|---|---|---|---|---|---|---|
| 216.28.0.0/15 | 131,072 | COGENT-FNSI-0005 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jul 17, 1998 | abuse@ |
| └ 216.28.248.0/21 | 2,048 | SPTEC-CGNT-NET-1 | Sp Tec Seguranca e Inteligencia Cibernetica LTDA (C11398130) · BR | Reassigned | Oct 22, 2025 | abuse@ via COGENT-FNSI-0005 |
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
- 216.
28. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Jul 17, 1998
Origin network
AS271023
BR
- Name
- Tera Solucoes
- Type
- Internet provider
- Registered
- Jul 31, 2020
- Domain
- teracorporation.com.br
- Website
- www.teracorporation.com.br
- 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
- Mar 2026
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.28.248.0/21 | AS271023 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
28. 248. 0/ 21 - Netname
- SPTEC-CGNT-NET-1
- Registrant
- Sp Tec Seguranca e Inteligencia Cibernetica LTDA
- Organization
- Sp Tec Seguranca e Inteligencia Cibernetica LTDA (C11398130)
- Type
- Reassigned
- Handle
- NET-216-28-248-0-1
- Parent
- NET-216-28-0-0-1
- Created
- Oct 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 17, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN