Data as of Nov 11, 2026
63.241.103.0/24
No anonymizer space · no proxy exits in 30 daysAmerican National Standards Institute · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.240.0.0/15 since May 2005 | AS7018 | Residential | 2 | AT&T Enterprises, 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 |
|---|---|---|---|---|---|---|
| 63. | 196,608 | CERFNET-BLK-5 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Nov 3, 1999 | abuse@ |
| └ 63.241.103.0/24 | 256 | ANSI-63-241-103-0-24 | American National Standards Institute (ANSI-3) · US | Reassigned | May 13, 2022 | mpetosa@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 63.
240. 0. 0 - 63. 242. 255. 255 - Registration type
- Direct Allocation
- Record created
- Nov 3, 1999
Origin network
AS394803
US
- Name
- American National Standards Institute
- Type
- Education
- Registered
- Jan 7, 2016
- Domain
- ansi.org
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2016
- Current origin since
- Mar 2016 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS394803 | ARIN | ansi-public | MNT-ANSI-3 | May 14, 2022 |
Whois
Registration for this announcement
- Range
- 63.
241. 103. 0/ 24 - Netname
- ANSI-63-241-103-0-24
- Registrant
- American National Standards Institute
- Organization
- American National Standards Institute (ANSI-3)
- Org address
- 25 W 43 ST, New York, NY, 10036
- Org country
- US
- Type
- Reassigned
- Handle
- NET-63-241-103-0-1
- Parent
- NET-63-240-0-0-1
- Created
- May 13, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 3, 1999
- Status
- assigned
Report abuse
Abuse contact
- mpetosa@
ansi. org - Name
- Leon, Gilbert
- Phone
- +1-718-415-5100
- Handle
- LEONG39-ARIN