Data as of Nov 12, 2026
66.33.136.0/22
No anonymizer space · no proxy exits in 30 daysIDT Corporation
Announced by
Type
Business
Recent change
New origin Sep 18, 2026
from AS7270 IDT Corporation, after 2.3 years unannounced
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.33.137.0/24 since Sep 2022 | AS7270 | Business | IDT Corporation |
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 |
|---|---|---|---|---|---|---|
| 66.33.128.0/18 | 16,384 | N2P-1 | IDT Corporation (IDTCO) · US | Direct Allocation | Oct 23, 2000 | gnoc@ |
| └ 66.33.136.0/22 | 1,024 | N2P-EWH1 | Net2phone (C00165027) · US | Reassigned | Apr 4, 2001 | gnoc@ via N2P-1 |
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 66.33.128.0/19
- Prefix
- 66.33.128.0/19
- Announced by
- AS7270 IDT Corporation
- Type
- Business
- RPKI
- RPKI valid
- Netname
- N2P-1
- Registrant
- IDT Corporation
- RIR
- ARIN
Origin network
AS7270
US
- Name
- IDT Corporation
- Type
- Business
- Registered
- Oct 30, 1996
- Domain
- idt.net
- Website
- www.idt.net
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 66.33.128.0/19
66.33.128.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.33.128.0/19 | AS7270 | /19 | ARIN | RPKI valid |
| 66.33.128.0/18 | AS7270 | /18 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 66.
33. 128. 0/ 18 - Netname
- N2P-1
- Registrant
- IDT Corporation
- Organization
- IDT Corporation (IDTCO)
- Org address
- 520 Broad St, Newark, NJ, 07102
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-33-128-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Oct 23, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 23, 2000
- Status
- assigned
Report abuse
Abuse contact
- gnoc@
idt. net - Name
- GNOC
- Phone
- +1-973-438-4662
- Handle
- GNOC8-ARIN