Data as of Nov 9, 2026
198.81.193.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by Verizon Business
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 |
|---|---|---|---|---|---|---|
| 198.80.0.0/15 | 131,072 | BLK198-15-ANS | Verizon Business (MCICS) · US | Direct Allocation | Mar 26, 1993 | abuse@ |
| └ 198.81.193.0/24 | 256 | ZISV-NET1 | IBM Corporation (IBMCOR-7) · US | Reassigned | — | etpadmin@ |
Network & registry
IPv4 market
Holder
- Organization
- Verizon Business
- Handle
- MCICS
- Range
- 198.
80. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Mar 26, 1993
- Legacy
- yes
Origin network
AS2386
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Feb 3, 1993
- Domain
- att.com
- Website
- qsun.att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Feb 2023 · 3.7 yr
- Origin networks
- 3
- Last change of origin
- Feb 2023
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 198.
81. 193. 0/ 24 - Netname
- ZISV-NET1
- Registrant
- IBM Corporation
- Organization
- IBM Corporation (IBMCOR-7)
- Org address
- 1177 S. Beltline Rd., Coppell, TX, 75019-4624
- Org country
- US
- Type
- Reassigned
- Handle
- NET-198-81-193-0-1
- Parent
- NET-198-80-0-0-1
- Created
- Not stated by the registry
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 26, 1993
- Status
- assigned
Report abuse
Abuse contact
- etpadmin@
us. ibm. com - Name
- ETP Admin
- Phone
- +1-817-821-5063
- Handle
- ETPAD-ARIN