Data as of Nov 3, 2026
154.62.133.0/24
No anonymizer space · no proxy exits in 30 daysAlvarez & Marsal Holdings, LLC · 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 | 12,738 2,387 always on |
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 |
|---|---|---|---|---|---|---|
| 154.62.0.0/16 | 65,536 | COGENT-154-62-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | [email protected] |
| └ 154.62.133.0/24 | 256 | NET-154-62-133-0-1 | Alvarez and Marsal Holdings (C07553316) · GB | Reassigned | May 18, 2020 | [email protected] via COGENT-154-62-16 |
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
- 154.62.0.0/16
- Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS14360
US
- Name
- Alvarez & Marsal Holdings, LLC
- Type
- Business
- Registered
- May 6, 2020
- Domain
- alvarezandmarsal.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2019
- Current origin since
- Dec 2019 · 6.9 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14360 | RADB | Route Registered for Cogent Communications Customer Alvarez and Marsal Holdings, LLC | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.62.133.0/24
- Netname
- NET-154-62-133-0-1
- Registrant
- Alvarez and Marsal Holdings
- Organization
- Alvarez and Marsal Holdings (C07553316)
- Type
- Reassigned
- Handle
- NET-154-62-133-0-1
- Parent
- NET-154-62-0-0-1
- Created
- May 18, 2020
- 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