Data as of Nov 3, 2026
100.43.14.0/24
No anonymizer space · no proxy exits in 30 daysCox Communications Inc. · space held by Apogee Telecom Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS399324 Apogee Telecom Inc.
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 |
|---|---|---|---|---|---|---|
| 100.43.0.0/19 | 8,192 | APOGEE | Apogee Telecom Inc. (APOG) · US | Direct Allocation | Dec 2, 2011 | [email protected] |
| └ 100.43.14.0/24 | 256 | BOLD-UNMC | University of Nebraska Medical Center (C07823514) · US | Reassigned | Mar 25, 2021 | [email protected] via APOGEE |
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
- Apogee Telecom Inc.
- Handle
- APOG
- Range
- 100.43.0.0/19
- Registration type
- Direct Allocation
- Record created
- Dec 2, 2011
Origin network
AS22773
US
- Name
- Cox Communications Inc.
- Type
- Internet provider
- Registered
- Nov 20, 2001
- Domain
- cox.com
- Website
- www.cox.com/peering
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2021
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 4
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 100.43.14.0/24
- Netname
- BOLD-UNMC
- Registrant
- University of Nebraska Medical Center
- Organization
- University of Nebraska Medical Center (C07823514)
- Type
- Reassigned
- Handle
- NET-100-43-14-0-1
- Parent
- NET-100-43-0-0-1
- Created
- Mar 25, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 2, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network Abuse
- Phone
- +1-512-478-8861
- Handle
- NETWO3525-ARIN