Data as of Nov 11, 2026
67.103.172.0/23
Anonymizer · ISP proxyCharter Communications LLC · space held by GTT Americas, LLC
IPv4 market
Path
1 · Holder
record created Apr 18, 2003 · reallocated to Northern Cable and Fiber, LLC Mar 14, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 67.103.172.0/23 | /24s |
|---|---|---|
| Rackdog | 512100% | 2 |
Leased from
Owners leasing their own space
| Name | In 67.103.172.0/23 | /24s |
|---|---|---|
| GTT Americas, LLC | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|---|
| 67.103.160.0/19 since Mar 2025 | AS6079 | ISP proxy | IP broker Rackdog | 7 1 always on | GTT Americas, LLC via Northern Cable and Fiber, LLC | |||
| 67.103.128.0/18 since Sep 18, 2026 | AS20115 | ISP proxy | IP broker Rackdog | 7 1 always on | GTT Americas, LLC via Northern Cable and Fiber, LLC | |||
| 67.100.0.0/14 | AS3257 | Internet provider | 2560.10%ISP proxy | Proxy providersoperated by Bunny | 11 1 always on | GTT Americas, LLC |
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 |
|---|---|---|---|---|---|---|
| 67.100.0.0/14 | 262,144 | MEGAPATH-BLK-57 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Apr 18, 2003 | abuse@ |
| └ 67.103.128.0/18 | 16,384 | RACKDOG-GTT | Rackdog, LLC (RL-859) · US | Reallocated | Mar 14, 2025 | contact@ |
| └ 67.103.128.0/18 | 16,384 | NORTHERN-CABLE | Northern Cable and Fiber, LLC (NCFL-7) · US | Reallocated | Mar 14, 2025 | abuse@ |
| └ 67.103.128.0/18 | 16,384 | RCN | RCN (C11161021) · US | Reassigned | Apr 5, 2025 | abuse@ via RACKDOG-GTT |
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
Announced by
Covering announcement 67.103.160.0/20
- Prefix
- 67.103.160.0/20
- Announced by
- AS20115 Charter Communications LLC
- Type
- ISP proxy
- Anonymizer addresses
- 1,792 addresses · 44%
- Leased from
- IP broker Rackdog
- Proxy exits
- 7
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- RCN
- Registrant
- RCN
- RIR
- ARIN
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 67.
100. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Apr 18, 2003
- Reallocated to
- Northern Cable and Fiber, LLC (NCFL-7)
- Reallocated range
- 67.
103. 128. 0/ 18 - Reallocated
- Mar 14, 2025
Origin network
AS20115
US
- Name
- Charter Communications LLC
- Type
- Internet provider
- Registered
- Mar 26, 2001
- Domain
- charter.com
- Website
- www.spectrum.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
67.103.160.0/20
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 67.
103. 128. 0/ 18 - Netname
- RCN
- Registrant
- RCN
- Organization
- RCN (C11161021)
- Type
- Reassigned
- Handle
- NET-67-103-128-0-3
- Parent
- NET-67-103-128-0-2
- Created
- Apr 5, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 18, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
northerncablefiber. com - Name
- Abuse
- Phone
- +1-302-894-8922
- Handle
- ABUSE7989-ARIN