Data as of Nov 9, 2026
38.19.205.0/24
No anonymizer space · no proxy exits in 30 daysServicios Best CTC S.A. de C.V. · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 401,849 78,907 always on | Cogent Communications, LLC |
Network & registry
Announced by
Covering announcement 38.19.204.0/23
- Prefix
- 38.19.204.0/23
- Announced by
- AS270165 Servicios Best CTC S.A. de C.V.
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- COGENT-A
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS270165
MX
- Name
- Servicios Best CTC S.A. de C.V.
- Type
- Internet provider
- Registered
- Aug 26, 2022
- Domain
- ctctelecom.mx
- Website
- ctctelecom.mx/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
38.19.204.0/23
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.19.204.0/22 | AS270165 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-38-0-0-0-1
- Created
- Apr 16, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN