Data as of Nov 4, 2026
63.197.243.0/24
No anonymizer space · no proxy exits in 30 daysFenwick & West, LLP. · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.192.0.0/12 since Oct 2013 | AS7018 | Residential | 334 41 always on | 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 |
|---|---|---|---|---|---|---|
| 63.192.0.0/12 | 1,048,576 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | May 10, 1999 | abuse@ |
| └ 63.197.243.0/24 | 256 | SBCIS-071205122950 | Fenwick & West (C01131173) · US | Reassigned | Jul 12, 2005 | abuse@ via SBCIS-SIS80 |
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
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 63.
192. 0. 0/ 12 - Registration type
- Direct Allocation
- Record created
- May 10, 1999
Origin network
AS23233
US
- Name
- Fenwick & West, LLP.
- Type
- Business
- Registered
- Feb 13, 2002
- Domain
- fenwick.com
- Industry
- Finance and Insurance
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Nov 2016 · 10.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2016
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23233 | RADB | Fenwick and West LLP | MAINT-AS23233 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 63.
197. 243. 0/ 24 - Netname
- SBCIS-071205122950
- Registrant
- Fenwick & West
- Organization
- Fenwick & West (C01131173)
- Type
- Reassigned
- Handle
- NET-63-197-243-0-1
- Parent
- NET-63-192-0-0-1
- Created
- Jul 12, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN