Data as of Nov 6, 2026
198.80.11.0/24
No anonymizer space · no proxy exits in 30 daysComputer Systems Design Company · 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@ |
| └ 198.80.11.0/24 | 256 | COMSYSDESGN-DMZ | Computer Systems Design Company (CSD-3) · US | Reassigned | Feb 17, 1994 | — |
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
AS3364
US
- Name
- Computer Systems Design Company
- Type
- Business
- Registered
- Dec 30, 1993
- Domain
- csdco.com
- Industry
- Other
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3364 | RADB | PNAP-DEN csdco | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 198.
80. 11. 0/ 24 - Netname
- COMSYSDESGN-DMZ
- Registrant
- Computer Systems Design Company
- Organization
- Computer Systems Design Company (CSD-3)
- Org address
- 735 Highland Avenue, Boulder, CO, 80302
- Org country
- US
- Type
- Reassigned
- Handle
- NET-198-80-11-0-1
- Parent
- NET-198-80-0-0-1
- Created
- Feb 17, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 26, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse-mail@
verizonbusiness. com - Name
- abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE3-ARIN