Data as of Nov 8, 2026
154.56.139.0/24
No anonymizer space · no proxy exits in 30 daysProcono S.A. · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 154.56.136.0/21 since Sep 2016 | AS34977 | Residential | 129 38 always on | Cogent Communications, LLC | |
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,920 2,405 always on |
Network & registry
Origin network
AS34977
ES
- Name
- Procono S.A.
- Type
- Internet provider
- Registered
- May 11, 2005
- Domain
- ptvtelecom.com
- Website
- www.ptvtelecom.com
- 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
- Sep 2020
- Current origin since
- Sep 2020 · 6.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 154.
56. 0. 0/ 16 - Netname
- COGENT-154-56-16
- 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-154-56-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- 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