Data as of Nov 6, 2026
158.173.172.0/22
No anonymizer space · no proxy exits in 30 daysCMC Network (Pty) Ltd · space held by Nimbus IP Networks BV
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market
Path
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
158.173.172.0/22
From the registry to its use
- Jul 11, 2025Registry recordNimbus IP Networks BVLEGACY158.173.128.0/17
- Mar 18, 2026AssignedCMC NetworksLEGACY158.173.172.0/22
- Mar 18, 2026Route objectAS25818 CMC Network (Pty) LtdRIPE route object for AS25818 CMC Network (Pty) Ltd, maintainer PREFIXBROKER-MNT
- Apr 1, 2026– today
- Apr 4, 2026Route objectAS25818 CMC Network (Pty) LtdRADB route object for AS25818 CMC Network (Pty) Ltd, maintainer MAINT-AS25818
- todayLeased fromPrefixBrokerIP 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 |
|---|---|---|---|---|---|---|
| 158.173.128.0/17 | 32,768 | NIMBUSIP-158-173-128-0 | Nimbus IP Networks BV (ORG-NINB1-RIPE) · NL | LEGACY | Jul 11, 2025 | abuse@ |
| └ 158.173.172.0/22 | 1,024 | CMCNETWORKS-158-173-172-0 | CMC Networks (ORG-CN240-RIPE) · ZA | LEGACY | Mar 18, 2026 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Nimbus IP Networks BV
- Handle
- ORG-NINB1-RIPE
- Range
- 158.
173. 128. 0/ 17 - Registration type
- LEGACY
- Record created
- Jul 11, 2025
- Legacy
- yes
Origin network
AS25818
ZA
- Name
- CMC Network (Pty) Ltd
- Type
- Internet provider
- Registered
- Feb 10, 2010
- Domain
- cmcnetworks.net
- Website
- www.cmcnetworks.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 158.
173. 172. 0/ 22 - Netname
- CMCNETWORKS-158-173-172-0
- Registrant
- CMC Networks
- Registrant country
- ZA
- Organization
- CMC Networks (ORG-CN240-RIPE)
- Org country
- ZA
- Type
- LEGACY
- Created
- Mar 18, 2026
- Updated
- Mar 18, 2026
- Maintainer
- PREFIXBROKER-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cmcnetworks. net - Name
- CMC Networks abuse handling
- Handle
- CNAH2-RIPE