Data as of Nov 3, 2026
87.87.0.0/19
Anonymizer · ISP proxyCharter Communications LLC · reallocated from GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
Reallocated Oct 7, 2026
to Charter Communications LLC by GTT Americas, LLC
IPv4 market
Path
Reallocated to Charter Communications LLC · Oct 7, 2026 · 4 wk ago · by GTT Americas, LLC
1 · Holder
record created Mar 2, 2026 · reallocated to Charter Communications LLC Oct 7, 2026
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 87.87.0.0/19 | /24s |
|---|---|---|
| IPNetZone | 8,192100% | 32 |
Leased from
Owners leasing their own space
| Name | In 87.87.0.0/19 | /24s |
|---|---|---|
| GTT Americas, LLC | 8,192100% | 32 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
87.87.0.0/19
From the registry to its use
- Jan 7, 2026– Nov 2, 2026
- Mar 2, 2026Registry recordGTT Americas, LLCDirect Allocation87.87.0.0/16
- Apr 2, 2026Route objectAS20115 Charter Communications LLCARIN route object for AS20115 Charter Communications LLC, maintainer MNT-GAL-104
- Apr 13, 2026– Nov 2, 2026
- Oct 7, 2026ReallocatedCharter Communications LLCReallocated87.87.0.0/19
- todayLeased fromIPNetZoneIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 87.87.0.0/16 since Jan 2026 | AS3257 | Internet provider | 1 | GTT Americas, LLC | |
| 87.84.0.0/14 since Oct 2022 | AS3257 | Internet provider | 91 15 always on |
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 |
|---|---|---|---|---|---|---|
| 87.87.0.0/16 | 65,536 | GAL-104 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Mar 2, 2026 | [email protected] |
| └ 87.87.0.0/19 | 8,192 | GTT-CUSTOMER | IPNetZone (IPNET-1) · US | Reallocated | Apr 2, 2026 | [email protected] |
| └ 87.87.0.0/19 | 8,192 | GTT-CUSTOMER | Charter Communications LLC (CC04) · US | Reallocated | Oct 7, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 87.87.0.0/16
- Registration type
- Direct Allocation
- Record created
- Mar 2, 2026
- Reallocated to
- Charter Communications LLC (CC04)
- Reallocated range
- 87.87.0.0/19
- Reallocated
- Oct 7, 2026
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
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 87.87.0.0/19
- Netname
- GTT-CUSTOMER
- Registrant
- Charter Communications LLC
- Organization
- Charter Communications LLC (CC04)
- Org address
- 6175 S. Willow Dr, Greenwood Village, CO, 80111
- Org country
- US
- Type
- Reallocated
- Handle
- NET-87-87-0-0-3
- Parent
- NET-87-87-0-0-2
- Created
- Oct 7, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 2, 2026
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-877-777-2263
- Handle
- ABUSE19-ARIN