Data as of Nov 3, 2026
144.121.95.0/24
No anonymizer space · no proxy exits in 30 daysMarcum LLP · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 144.121.80.0/20 since Nov 2024 | AS46887 | Internet provider | 7 2 always on | Zayo Bandwidth | |
| 144.121.64.0/18 since May 2016 | AS46887 | Internet provider | 33 7 always on | Zayo Bandwidth | |
| 144.121.0.0/16 since Nov 2021 | AS46887 | Internet provider | 132 21 always on | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 144.121.0.0/16 | 65,536 | ZAYO-CCF-144-121-0-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Apr 29, 2016 | [email protected] |
| └ 144.121.95.0/24 | 256 | NET-144-121-95-0-24 | Marcum LLP (C06286942) · US | Reassigned | Jan 4, 2017 | [email protected] via ZAYO-CCF-144-121-0-0 |
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
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 144.121.0.0/16
- Registration type
- Direct Allocation
- Record created
- Apr 29, 2016
Origin network
AS63329
US
- Name
- Marcum LLP
- Type
- Business
- Registered
- Dec 4, 2014
- Domain
- marcumllp.com
- Industry
- Accountants, Tax Preparers, Payroll Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2017
- Current origin since
- Mar 2017 · 9.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS63329 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 144.121.95.0/24
- Netname
- NET-144-121-95-0-24
- Registrant
- Marcum LLP
- Organization
- Marcum LLP (C06286942)
- Type
- Reassigned
- Handle
- NET-144-121-95-0-1
- Parent
- NET-144-121-0-0-1
- Created
- Jan 4, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 2016
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN