Data as of Nov 3, 2026
46.18.91.0/24
Anonymizer · ISP proxyLevel 3 Parent, LLC · space held by Theta Sigma Industries OU
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 2026
from AS152575 Netbloom Private Limited
IPv4 market
Path
Announced by AS10753 since Sep 2026 · 9 wk ago
1 · Holder
record created Mar 6, 2025 · reallocated to ORG-NL583-RIPE Apr 15, 2026
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 46.18.91.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 46.18.91.0/24 | /24s |
|---|---|---|
| Theta Sigma Industries OU | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
46.18.91.0/24
From the registry to its use
- Mar 6, 2025Registry recordTheta Sigma Industries OUALLOCATED PA46.18.88.0/21
- Apr 13, 2026– May 30, 2026
- Jun 12, 2026– Jul 17, 2026
- Sep 4, 2026– today
- Sep 11, 2026Route objectIPXORIPE route object for AS10753 Level 3 Parent, LLC, maintainer NETUTILS-MNT
- Sep 29, 2026Route objectIPXORADB route object for AS10753 Level 3 Parent, 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 |
|---|---|---|---|---|---|---|
| 46.18.88.0/21 | 2,048 | EE-THETASIGMA-20101027 | Theta Sigma Industries OU (ORG-TSIO1-RIPE) · EE | ALLOCATED PA | Mar 6, 2025 | [email protected] |
| └ 46.18.91.0/24 | 256 | TSI-Network04 | unknown | SUB-ALLOCATED PA | Apr 15, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Theta Sigma Industries OU
- Handle
- ORG-TSIO1-RIPE
- Range
- 46.18.88.0/21
- Registration type
- ALLOCATED PA
- Record created
- Mar 6, 2025
- Reallocated to
- ORG-NL583-RIPE
- Reallocated range
- 46.18.91.0/24
- Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Apr 15, 2026
Origin network
AS10753
US
- Name
- Level 3 Parent, LLC
- Type
- Internet provider
- Registered
- Nov 18, 1997
- Domain
- level3.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 46.18.91.0/24
- Netname
- TSI-Network04
- Registrant country
- EU
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Apr 15, 2026
- Updated
- Sep 11, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- EE
- Delegated
- Oct 27, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Private Customer
- Handle
- NL5308-RIPE