Data as of Nov 3, 2026
199.12.0.0/16
Anonymizer · ISP proxy1 residential-proxy exit · 30 daysCox Communications Inc. · space held by Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Recent change
New origin Sep 28, 2026
its first announcement on record
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- GSocks
IPv4 market
Path
Announced by AS22773 since Sep 28, 2026 · 5 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 199.12.0.0/16 | /24s |
|---|---|---|
| Rackdog | 65,536100% | 256 |
Leased from
Owners leasing their own space
| Name | In 199.12.0.0/16 | /24s |
|---|---|---|
| Cogent Communications, LLC | 65,536100% | 256 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
199.12.0.0/16
From the registry to its use
- Sep 24, 1993Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)199.11.0.0 - 199.14.255.255
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.0.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.16.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.32.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.48.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.64.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.80.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.96.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.112.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.128.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.144.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.160.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.176.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.192.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.208.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.224.0/20
- Aug 26, 2025Route objectRackdogRADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465199.12.240.0/20
- Oct 22, 2025Route objectRackdogRADB route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-AS398465199.12.0.0/19
- Oct 22, 2025Route objectRackdogRADB route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-AS398465199.12.96.0/19
- Oct 22, 2025Route objectRackdogRADB route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-AS398465199.12.128.0/19
- Nov 12, 2025Route objectAS3491 PCCW Global (HK) Ltd.ARIN route object for AS3491 PCCW Global (HK) Ltd., maintainer MNT-COGC199.12.96.0/19
- Nov 12, 2025Route objectAS11404 Wave BroadbandARIN route object for AS11404 Wave Broadband, maintainer MNT-COGC199.12.96.0/19
- Nov 12, 2025Route objectAS3491 PCCW Global (HK) Ltd.ARIN route object for AS3491 PCCW Global (HK) Ltd., maintainer MNT-COGC199.12.128.0/19
- Nov 12, 2025Route objectAS11404 Wave BroadbandARIN route object for AS11404 Wave Broadband, maintainer MNT-COGC199.12.128.0/19
- May 22, 2026Route objectAS20115 Charter Communications LLCRADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD199.12.32.0/19
- May 22, 2026Route objectAS20115 Charter Communications LLCRADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD199.12.64.0/19
- May 22, 2026Route objectAS20115 Charter Communications LLCRADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD199.12.160.0/19
- May 22, 2026Route objectAS20115 Charter Communications LLCRADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD199.12.192.0/19
- May 22, 2026Route objectAS20115 Charter Communications LLCRADB route object for AS20115 Charter Communications LLC, maintainer MAINT-CHTR-WD199.12.224.0/19
- May 27, 2026AssignedRCNReassigned199.12.0.0/16
- Sep 28, 2026– Nov 2, 2026
- Sep 29, 2026Route objectRackdogRADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS398465
- todayLeased fromRackdogIP 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 |
|---|---|---|---|---|---|---|
| 199.11.0.0 - 199.14.255.255 | 262,144 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 24, 1993 | [email protected] |
| └ 199.12.0.0/16 | 65,536 | RACKDOG-CGNT-NET-19 | RCN (C11605117) · US | Reassigned | May 27, 2026 | [email protected] via COGC |
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
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 199.11.0.0 - 199.14.255.255
- Registration type
- Direct Allocation
- Record created
- Sep 24, 1993
- Legacy
- yes
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
- Stable
- First seen
- Sep 28, 2026
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | MAINT-AS398465 | Sep 29, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.12.0.0/19 | AS3491 | RADB | Customer Route | MAINT-AS398465 | Oct 22, 2025 |
| 199.12.0.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.16.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.32.0/19 | AS20115 | RADB | RackDog - East - 51078 | MAINT-CHTR-WD | May 22, 2026 |
| 199.12.32.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.48.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.64.0/19 | AS20115 | RADB | RackDog - East - 51078 | MAINT-CHTR-WD | May 22, 2026 |
| 199.12.64.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.80.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.96.0/19 | AS3491 | RADB | Customer Route | MAINT-AS398465 | Oct 22, 2025 |
| 199.12.96.0/19 | AS3491 | ARIN | Route Registered for Cogent Communications Customer - Rackdog, LLC | MNT-COGC | Dec 23, 2025 |
| 199.12.96.0/19 | AS11404 | ARIN | Route Registered for Cogent Communications Customer - Rackdog, LLC | MNT-COGC | Dec 23, 2025 |
| 199.12.96.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.112.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.128.0/19 | AS3491 | RADB | Customer Route | MAINT-AS398465 | Oct 22, 2025 |
| 199.12.128.0/19 | AS3491 | ARIN | Route Registered for Cogent Communications Customer - Rackdog, LLC | MNT-COGC | Dec 23, 2025 |
| 199.12.128.0/19 | AS11404 | ARIN | Route Registered for Cogent Communications Customer - Rackdog, LLC | MNT-COGC | Dec 23, 2025 |
| 199.12.128.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.144.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.160.0/19 | AS20115 | RADB | RackDog - East - 51078 | MAINT-CHTR-WD | May 22, 2026 |
| 199.12.160.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.176.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.192.0/19 | AS20115 | RADB | RackDog - East - 51078 | MAINT-CHTR-WD | May 22, 2026 |
| 199.12.192.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.208.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.224.0/19 | AS20115 | RADB | RackDog - East - 51078 | MAINT-CHTR-WD | May 22, 2026 |
| 199.12.224.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 | |
| 199.12.240.0/20 | AS11404 | RADB | MAINT-AS398465 | Sep 11, 2025 |
Whois
Registration for this announcement
- Range
- 199.12.0.0/16
- Netname
- RACKDOG-CGNT-NET-19
- Registrant
- RCN
- Organization
- RCN (C11605117)
- Type
- Reassigned
- Handle
- NET-199-12-0-0-1
- Parent
- NET-199-11-0-0-1
- Created
- May 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 24, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN