Data as of Nov 7, 2026
38.43.99.0/24
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) | 404,266 78,035 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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.43.96.0/22 | 1,024 | SBCS-CGNT-NET-1 | Servicios Best CTC S.A. de C.V. (C10223253) · MX | Reassigned | Oct 2, 2023 | abuse@ via COGENT-A |
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
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
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
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2023
- Current origin since
- Jul 2024 · 2.3 yr
- Origin networks
- 2
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.43.96.0/22 | AS270165 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS270165 | RADB | auto-generated route object for 38.43.99.0/24 | MAINT-AS11172 | Nov 14, 2023 |
Whois
Registration for this announcement
- Range
- 38.
43. 96. 0/ 22 - Netname
- SBCS-CGNT-NET-1
- Registrant
- Servicios Best CTC S.A. de C.V.
- Organization
- Servicios Best CTC S.A. de C.V. (C10223253)
- Type
- Reassigned
- Handle
- NET-38-43-96-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Oct 2, 2023
- 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