Data as of Nov 7, 2026
216.133.48.0/20
Anonymizer · ISP proxyCharter Communications Inc · space held by GTT Americas, LLC
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 216.133.48.0/20 | /24s |
|---|---|---|
| IPNetZone | 4,096100% | 16 |
Leased from
Owners leasing their own space
| Name | In 216.133.48.0/20 | /24s |
|---|---|---|
| GTT Americas, LLC | 4,096100% | 16 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.133.0.0/17 since Jan 2024 | AS3257 | Internet provider | 1 | 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 |
|---|---|---|---|---|---|---|
| 216. | 122,880 | MEGAPATH-BLK-11 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Nov 18, 1998 | abuse@ |
| └ 216.133.0.0/18 | 16,384 | GTT-CUSTOMER | IPNetZone (IPNET-1) · US | Reallocated | Dec 21, 2025 | ipabuse@ |
| └ 216.133.48.0/20 | 4,096 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Oct 23, 2026 | abuse@ |
Network & registry
Announced by
Covering announcement 216.133.0.0/18
- Prefix
- 216.133.0.0/18
- Announced by
- AS20001 Charter Communications Inc
- Type
- ISP proxy
- Anonymizer addresses
- all
- Leased from
- IP broker IPNetZone
- RPKI
- RPKI valid
- Netname
- GTT-CUSTOMER
- Registrant
- IPNetZone
- RIR
- ARIN
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 216.
132. 0. 0 - 216. 133. 223. 255 - Registration type
- Direct Allocation
- Record created
- Nov 18, 1998
- Reallocated to
- IPNetZone (IPNET-1)
- Reallocated range
- 216.
133. 0. 0/ 18 - Reallocated
- Dec 21, 2025
Origin network
AS20001
US
- Name
- Charter Communications Inc
- Type
- Internet provider
- Registered
- Mar 13, 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
216.133.0.0/18
Routing history
- Pattern
- Stable
- First seen
- Jan 2026
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.133.0.0/18 | AS20001 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
133. 0. 0/ 18 - Netname
- GTT-CUSTOMER
- Registrant
- IPNetZone
- Organization
- IPNetZone (IPNET-1)
- Org address
- 7900 Tysons One Place, McLean, VA, 22102
- Org country
- US
- Type
- Reallocated
- Handle
- NET-216-133-0-0-1
- Parent
- NET-216-132-0-0-1
- Created
- Dec 21, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 18, 1998
- Status
- assigned
Report abuse
Abuse contact
- ipabuse@
unsi. net - Name
- Abuse Handle
- Phone
- +1-646-254-6800
- Handle
- ABUSE2254-ARIN