Data as of Nov 10, 2026
198.136.78.0/24
No anonymizer space · no proxy exits in 30 daysVerizon Business · space held by Central Intelligence Agency
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 |
|---|---|---|---|---|---|---|
| 198.136.64.0/18 | 16,384 | NISEN1 | Central Intelligence Agency (CIA-1) · US | Direct Allocation | May 19, 1993 | davidw@ |
| └ 198. | 12,800 | NETBLK-NISEN | unknown | — | — | — |
| └ 198.136.78.0/24 | 256 | NISEN15 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 198.136.64.0/18
- Prefix
- 198.136.64.0/18
- Announced by
- AS7046 Verizon Business
- Type
- Business
- RPKI
- No RPKI
- Netname
- NISEN1
- Registrant
- Central Intelligence Agency
- 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 198.136.64.0/18
198.136.64.0/18
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.
136. 64. 0/ 18 - Netname
- NISEN1
- Registrant
- Central Intelligence Agency
- Organization
- Central Intelligence Agency (CIA-1)
- Org address
- GCS, ND1, Washington, DC, 20505
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-198-136-64-0-1
- Parent
- NET-198-0-0-0-0
- Created
- May 19, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN