Data as of Nov 9, 2026
172.110.204.0/23
No anonymizer space · no proxy exits in 30 daysCisco Systems, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 172.110.204.0/22 since Apr 2021 | AS55219 | Business | Cisco Systems, Inc. |
Network & registry
Origin network
AS55219
US
- Name
- Cisco Systems, Inc.
- Type
- Business
- Registered
- Apr 24, 2013
- Domain
- cisco.com
- Website
- talosintelligence.com/
- Industry
- Online Informational Content
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2015
- Current origin since
- Aug 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.110.204.0/22 | AS55219 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 172.
110. 204. 0/ 22 - Netname
- TALOS
- Registrant
- Cisco Systems, Inc.
- Organization
- Cisco Systems, Inc. (CS-985)
- Org address
- Talos, Fulton, MD, 20759
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-172-110-204-0-1
- Parent
- NET-172-0-0-0-0
- Created
- Jun 25, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 25, 2015
- Status
- assigned
Report abuse
Abuse contact
- gatemken@
cisco. com - Name
- Atemkeng, Gildas
- Phone
- +1-667-415-6660
- Handle
- ATEMK-ARIN