Data as of Nov 10, 2026
74.0.136.0/21
Anonymizer · ISP proxyCharter Communications Inc · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS21949 Beanfield Technologies Inc.
IPv4 market
Path
Announced by AS12271 since Aug 2026 · 3 mo ago
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 74.0.136.0/21 | /24s |
|---|---|---|---|
| Browser Cash | 2,048100% | 8 |
Leased from
Owners leasing their own space
| Name | In 74.0.136.0/21 | /24s |
|---|---|---|
| GTT Americas, LLC | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
74.0.136.0/21
From the registry to its use
- Dec 20, 2005Registry recordGTT Americas, LLCDirect Allocation74.0.0.0 - 74.3.127.255
- Jan 8, 2006– May 15, 2022
- Mar 8, 2006– Feb 22, 2024AnnouncedAS18566 GTT Americas, LLC
- Apr 29, 2023– today
- May 7, 2026– Aug 10, 2026
- May 14, 2026AssignedMega Tera CorpReassigned74.0.136.0/21
- Aug 10, 2026Route objectAS12271 Charter Communications IncARIN route object for AS12271 Charter Communications Inc, maintainer MNT-GAL-104
- Aug 11, 2026– today
- todayUsedBrowser CashProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 74.0.0.0/15 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 168 56 always on | GTT Americas, LLC |
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 |
|---|---|---|---|---|---|---|
| 74. | 229,376 | MEGAPATH-BLK-64-65-66 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Dec 20, 2005 | abuse@ |
| └ 74.0.136.0/21 | 2,048 | MEGA-TERA-GTT | Mega Tera Corp (C11594794) · US | Reassigned | May 14, 2026 | abuse@ via MEGAPATH-BLK-64-65-66 |
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
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 74.
0. 0. 0 - 74. 3. 127. 255 - Registration type
- Direct Allocation
- Record created
- Dec 20, 2005
Origin network
AS12271
US
- Name
- Charter Communications Inc
- Type
- Internet provider
- Registered
- Jun 9, 2000
- Domain
- charter.com
- Industry
- Media, Publishing, and Broadcasting
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2006
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 74.
0. 136. 0/ 21 - Netname
- MEGA-TERA-GTT
- Registrant
- Mega Tera Corp
- Organization
- Mega Tera Corp (C11594794)
- Type
- Reassigned
- Handle
- NET-74-0-136-0-1
- Parent
- NET-74-0-0-0-1
- Created
- May 14, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN