Data as of Nov 4, 2026
154.57.156.0/23
No anonymizer space · no proxy exits in 30 daysPeer39 Inc · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,748 2,411 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.57.156.0/24 since Mar 2015 | AS54183 | Business | Cogent Communications, LLC | |
| 154.57.157.0/24 since Mar 2015 | AS54183 | Business | Cogent Communications, LLC |
Network & registry
Origin network
AS54183
US
- Name
- Peer39 Inc
- Type
- Business
- Registered
- Oct 28, 2011
- Domain
- peer39.com
- Website
- peer39.com
- Industry
- Technology Consulting Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2014
- Current origin since
- Jan 2015 · 12 yr
- Origin networks
- 2
- Last change of origin
- Jan 2015
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 154.57.0.0/16
- Netname
- COGENT-154-57-16
- 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-154-57-0-0-1
- 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
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN