Data as of Nov 7, 2026
198.133.1.0/24
No anonymizer space · no proxy exits in 30 daysVerizon Business · space held by Office of Information Technology
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 198.133.0.0/21 | 2,048 | NETBLK-CACTIS | Office of Information Technology (OIT) · US | Direct Allocation | May 3, 1993 | davidw@ |
| └ 198.133.1.0/24 | 256 | CACTIS2 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 198.133.0.0/21
- Prefix
- 198.133.0.0/21
- Announced by
- AS7046 Verizon Business
- Type
- Unknown
- RPKI
- No RPKI
- Netname
- NETBLK-CACTIS
- Registrant
- Office of Information Technology
- RIR
- ARIN
Origin network
AS7046
US
- Name
- Verizon Business
- Type
- Internet provider
- Registered
- Aug 5, 1996
- Domain
- verizonbusiness.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 198.133.0.0/21
198.133.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2011
- Current origin since
- Jan 2011 · 16 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 198.
133. 0. 0/ 21 - Netname
- NETBLK-CACTIS
- Registrant
- Office of Information Technology
- Organization
- Office of Information Technology (OIT)
- Org address
- OIT/DSG/CACTIS, Washington, DC, 20505
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-198-133-0-0-1
- Parent
- NET-198-0-0-0-0
- Created
- May 3, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 3, 1993
- Status
- assigned
Report abuse
Abuse contact
- davidw@
ucia. gov - Name
- David Wheelock
- Phone
- +1-703-613-9840
- Handle
- DW1276-ARIN