Data as of Nov 14, 2026
74.0.224.0/21
No anonymizer space · no proxy exits in 30 daysRCN · reallocated from GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS18566 GTT Americas, LLC, after 2.5 years unannounced
registry: reallocated to RCN by GTT Americas, LLC, Sep 3, 2026
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) | 143 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@ |
| └ 74.0.224.0/21 | 2,048 | RCN-GTT | RCN (RTSL-6) · US | Reallocated | Sep 3, 2026 | abuse@ |
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
- Reallocated to
- RCN (RTSL-6)
- Reallocated range
- 74.
0. 224. 0/ 21 - Reallocated
- Sep 3, 2026
Origin network
AS6079
US
- Name
- RCN
- Type
- Internet provider
- Registered
- Apr 4, 2001
- Domain
- astound.com
- Website
- www.astound.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
- Reactivated
- First seen
- Apr 2006
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 2
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.0.224.0/21 | AS6079 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6079 | ARIN | GTT Americas, LLC | MNT-GAL-104 | Jul 31, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 74.0.224.0/22 | AS834 | ARIN | GTT Americas, LLC | MNT-GAL-104 | Jan 28, 2026 |
Whois
Registration for this announcement
- Range
- 74.
0. 224. 0/ 21 - Netname
- RCN-GTT
- Registrant
- RCN
- Organization
- RCN (RTSL-6)
- Org address
- 650 College Road East, Princeton, NJ, 08540
- Org country
- US
- Type
- Reallocated
- Handle
- NET-74-0-224-0-1
- Parent
- NET-74-0-0-0-1
- Created
- Sep 3, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rcn. com - Name
- RCN Abuse Department
- Phone
- +1-888-972-6622
- Handle
- RAD75-ARIN