Data as of Nov 5, 2026
154.18.148.0/22
No anonymizer space · no proxy exits in 30 daysMTel telecommunication company ltd. · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.18.0.0/15 since Oct 2008 | AS174 | Internet provider | 879 169 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.18.148.0/24 since Feb 2020 | AS133613 | Residential | Cogent Communications, LLC | |
| 154.18.149.0/24 since Feb 2020 | AS133613 | Residential | Cogent Communications, LLC | |
| 154.18.150.0/24 since Feb 2020 | AS133613 | Residential | Cogent Communications, LLC | |
| 154.18.151.0/24 since Feb 2020 | AS133613 | Residential | 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 |
|---|---|---|---|---|---|---|
| 154.18.0.0/16 | 65,536 | COGENT-154-18-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.18.148.0/22 | 1,024 | NET-154-18-148-0-1 | Companhia de Telecomunicacoes de MTel, lda. (C07490889) · MO | Reassigned | Jan 23, 2020 | abuse@ via COGENT-154-18-16 |
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
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.
18. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS133613
MO
- Name
- MTel telecommunication company ltd.
- Type
- Internet provider
- Registered
- Jul 24, 2014
- Domain
- mtel.mo
- Website
- www.mtel.mo
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2020
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 154.18.148.0/22 | AS133613 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS133613 | ARIN | Route Registered for Cogent Communications Customer - Companhia de Telecomunicações de MTel, lda. | MNT-COGC | Jan 19, 2026 |
Whois
Registration for this announcement
- Range
- 154.
18. 148. 0/ 22 - Netname
- NET-154-18-148-0-1
- Registrant
- Companhia de Telecomunicacoes de MTel, lda.
- Organization
- Companhia de Telecomunicacoes de MTel, lda. (C07490889)
- Type
- Reassigned
- Handle
- NET-154-18-148-0-1
- Parent
- NET-154-18-0-0-1
- Created
- Jan 23, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN