Data as of Nov 9, 2026
191.101.251.0/24
No anonymizer space · no proxy exits in 30 daysTier.Net Technologies LLC · space held by Cyber Assets FZCO
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
191.101.251.0/24
From the registry to its use
- Mar 2, 2022Registry recordCyber Assets FZCOALLOCATED PA191.101.0.0/16
- Mar 2, 2022ReallocatedC4K5 LLCSUB-ALLOCATED PA191.101.251.0/24
- Aug 3, 2023– Aug 26, 2023
- Aug 27, 2023– Jan 29, 2024
- Jan 18, 2024– Feb 22, 2024
- Jan 18, 2024– May 4, 2024
- Apr 23, 2024– Jun 9, 2024
- Jun 22, 2024– Jul 3, 2024
- Jun 22, 2024– Aug 20, 2024
- Aug 21, 2024– Aug 15, 2025
- Aug 4, 2025– Mar 7, 2026
- Oct 27, 2025– Nov 7, 2025AnnouncedAS57974 Teracast Networks LLC
- Oct 27, 2025– Dec 1, 2025
- Mar 20, 2026– today
- Mar 21, 2026Route objectIPXORIPE route object for AS397423 Tier.Net Technologies LLC, maintainer NETUTILS-MNT
- Mar 21, 2026Route objectIPXORADB route object for AS397423 Tier.Net Technologies 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 |
|---|---|---|---|---|---|---|
| 191.101.0.0/16 | 65,536 | AE-CYBERASSETS-20140313 | Cyber Assets FZCO (ORG-CAF4-RIPE) · AE | ALLOCATED PA | Mar 2, 2022 | report@ |
| └ 191.101.128.0/17 | 32,768 | IPXO | Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB | SUB-ALLOCATED PA | Jul 7, 2022 | report@ |
| └ 191.101.251.0/24 | 256 | IPXO | C4K5 LLC (ORG-CL758-RIPE) · US | SUB-ALLOCATED PA | Mar 2, 2022 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Cyber Assets FZCO
- Handle
- ORG-CAF4-RIPE
- Range
- 191.
101. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Mar 2, 2022
- Reallocated to
- C4K5 LLC (ORG-CL758-RIPE)
- Reallocated range
- 191.
101. 251. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Mar 2, 2022
Origin network
AS397423
US
- Name
- Tier.Net Technologies LLC
- Type
- Hosting
- Registered
- Mar 26, 2019
- Domain
- tier.net
- Website
- www.tier.net
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 62
Routing timeline
Who has announced this prefix
latest 12 of 16 stints
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2015
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 13
- Last change of origin
- Mar 2026
Recorded history
History
- Stints on record
- 16
- Handoffs
- 15
Whois
Registration for this announcement
- Range
- 191.
101. 251. 0/ 24 - Netname
- IPXO
- Registrant
- C4K5 LLC
- Registrant country
- EU
- Organization
- C4K5 LLC (ORG-CL758-RIPE)
- Org country
- US
- Type
- SUB-ALLOCATED PA
- Created
- Mar 2, 2022
- Updated
- Mar 21, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- AE
- Delegated
- Mar 13, 2014
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- C4K5 LLC
- Handle
- CL10035-RIPE