Data as of Nov 3, 2026
50.2.121.0/24
Anonymizer · ISP proxyCogent Communications, LLC · space held by Eonix Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 28, 2026
from AS63199 CDS Global Cloud Co., Ltd
IPv4 market
Path
Announced by AS174 since Sep 28, 2026 · 5 wk ago
1 · Holder
record created Jun 25, 2010 · reallocated to Internet Utilities NA LLC Feb 4, 2026
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 50.2.121.0/24 | /24s |
|---|---|---|
| Eonix Corporation | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
50.2.121.0/24
From the registry to its use
- Jun 25, 2010Registry recordEonix CorporationDirect Allocation50.2.0.0/15
- Jan 31, 2026– Mar 19, 2026
- Feb 4, 2026ReallocatedInternet Utilities NA LLCReallocated50.2.121.0/24
- Mar 8, 2026– Mar 31, 2026
- Apr 9, 2026
- Sep 28, 2026– Nov 2, 2026
- Sep 30, 2026Route objectIPXORADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 50.2.0.0/15 | 131,072 | EONIX | Eonix Corporation (EONIX) · US | Direct Allocation | Jun 25, 2010 | [email protected] |
| └ 50.2.121.0/24 | 256 | NET895-LEASE | IPXO LLC (IL-845) · US | Reallocated | Feb 3, 2026 | [email protected] |
| └ 50.2.121.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Feb 4, 2026 | [email protected] |
| └ 50.2.121.0/24 | 256 | NET-50-2-121-0-24 | unknown | Reassigned | Sep 29, 2026 | [email protected] via NET895-LEASE |
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
- Eonix Corporation
- Handle
- EONIX
- Range
- 50.2.0.0/15
- Registration type
- Direct Allocation
- Record created
- Jun 25, 2010
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 50.2.121.0/24
- Reallocated
- Feb 4, 2026
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1,658
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2026
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 3
- Last change of origin
- Sep 28, 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 50.2.121.0/24
- Netname
- NET-50-2-121-0-24
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reassigned
- Handle
- NET-50-2-121-0-3
- Parent
- NET-50-2-121-0-2
- Created
- Sep 29, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 25, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN