Data as of Nov 6, 2026
153.79.112.0/21
1,792 anonymizer addresses · 88% · ISP proxyFree Pro SAS · space held by Core IP Solutions LLC
Announced by
Type
ISP proxy
88% of it
Recent change
New origin Aug 2026
from AS203020 HostRoyale Technologies Pvt Ltd
IPv4 market
Path
Announced by AS30781 since Aug 2026 · 11 wk ago
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 153.79.112.0/21 | /24s |
|---|---|---|
| Core IP Solutions LLC | 1,79288% | 7 |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 153.79.112.0/20 | 4,096 | US-COREIP4-19910923 | Core IP Solutions LLC (ORG-CISL14-RIPE) · US | LEGACY | Jul 28, 2026 | abuse@ |
| └ 153.79.112.0/21 | 2,048 | FR-ISP | unknown | LEGACY | Jul 28, 2026 | abuse@ via US-COREIP4-19910923 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 1,792 | 88% | 5 | |
| Unknown | 256 | 13% | 1 |
Network & registry
Announced by
Covering announcement 153.79.112.0/20
- Prefix
- 153.79.112.0/20
- Announced by
- AS30781 Free Pro SAS
- Type
- Unknown
- Anonymizer addresses
- 3,584 addresses · 88%ISP proxy
- Operator
- Proxy providerssold by Oxylabs
- RPKI
- RPKI valid
- Netname
- US-COREIP4-19910923
- Registrant
- Core IP Solutions LLC
- RIR
- RIPE NCC
Origin network
AS30781
FR
- Name
- Free Pro SAS
- Type
- Internet provider
- Registered
- Dec 3, 2003
- Domain
- freepro.com
- Website
- www.freepro.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 153.79.112.0/20
153.79.112.0/20
Routing history
- Pattern
- Rotating
- First seen
- Jul 2026
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 153.79.112.0/20 | AS30781 | /32 | RIPE | RPKI valid |
IRR
Route objects on 153.79.112.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30781 | RIPE | US-COREIP-1-MNT | Aug 25, 2026 |
Whois
Registration for this announcement
- Range
- 153.
79. 112. 0/ 20 - Netname
- US-COREIP4-19910923
- Registrant
- Core IP Solutions LLC
- Registrant country
- US
- Organization
- Core IP Solutions LLC (ORG-CISL14-RIPE)
- Org country
- US
- Type
- LEGACY
- Created
- Jul 28, 2026
- Updated
- Jul 28, 2026
- Maintainer
- us-coreip-1-mnt
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Sep 23, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
hostroyale. com - Name
- Abuse-C Role
- Handle
- AR66715-RIPE