Data as of Nov 15, 2026
216.53.0.0/18
No anonymizer space · no proxy exits in 30 daysIDT Corporation
Announcement
this exact prefix
RPKI valid
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 |
|---|---|---|---|---|
| 216.53.0.0/24 since Oct 2023 | AS7270 | Business | IDT Corporation | |
| 216.53.2.0/24 since Oct 2023 | AS7270 | Business | IDT Corporation | |
| 216.53.4.0/24 since Oct 2022 | AS7270 | Business | IDT Corporation | |
| 216.53.5.0/24 since Jul 2022 | AS7270 | Business | IDT Corporation | |
| 216.53.7.0/24 since Oct 2023 | AS7270 | Business | IDT Corporation | |
| 216.53.14.0/24 since May 2022 | AS7270 | Business | IDT Corporation | |
| 216.53.20.0/24 since Oct 2022 | AS7270 | Business | IDT Corporation |
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 |
|---|---|---|---|---|---|---|
| 216.53.0.0/17 | 32,768 | IOSNET-6 | IDT Corporation (IDTCO) · US | Direct Allocation | Jun 3, 1999 | gnoc@ |
| └ 216.53.0.0/18 | 16,384 | NET2PHONE-RANGE | IDT Corporation (IDTCO) · US | Reassigned | Jan 19, 2005 | gnoc@ |
Network & registry
Registry
Holder
- Organization
- IDT Corporation
- Handle
- IDTCO
- Range
- 216.
53. 0. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Jun 3, 1999
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 this prefix
Summary
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 |
|---|---|---|---|---|
| 216.53.0.0/17 | AS7270 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
53. 0. 0/ 18 - Netname
- NET2PHONE-RANGE
- Registrant
- IDT Corporation
- Organization
- IDT Corporation (IDTCO)
- Org address
- 520 Broad St, Newark, NJ, 07102
- Org country
- US
- Type
- Reassigned
- Handle
- NET-216-53-0-0-2
- Parent
- NET-216-53-0-0-1
- Created
- Jan 19, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 3, 1999
- Status
- assigned
Report abuse
Abuse contact
- gnoc@
idt. net - Name
- GNOC
- Phone
- +1-973-438-4662
- Handle
- GNOC8-ARIN