Data as of Nov 8, 2026
208.12.121.0/24
No anonymizer space · no proxy exits in 30 daysNorthrop Grumman · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.0.0.0/11 | AS174 | Internet provider | 611 181 always on | Cogent Communications, 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 |
|---|---|---|---|---|---|---|
| 208. | 2,359,296 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Mar 13, 1996 | abuse@ |
| └ 208.12.121.0/24 | 256 | FON-349047833695062 | Northrop Grumman IP (NGI-5) · US | Reassigned | Feb 26, 2002 | — |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 208.
0. 0. 0 - 208. 35. 255. 255 - Registration type
- Direct Allocation
- Record created
- Mar 13, 1996
- Legacy
- yes
Origin network
AS1906
US
- Name
- Northrop Grumman
- Type
- Business
- Registered
- Jun 2, 1992
- Domain
- northropgrumman.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2007
- Current origin since
- Mar 2007 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.
12. 121. 0/ 24 - Netname
- FON-349047833695062
- Registrant
- Northrop Grumman IP
- Organization
- Northrop Grumman IP (NGI-5)
- Org address
- South Oyster Bay Road, Bethpage, NY, 11714
- Org country
- US
- Type
- Reassigned
- Handle
- NET-208-12-121-0-1
- Parent
- NET-208-0-0-0-1
- Created
- Feb 26, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 1996
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN