Data as of Nov 14, 2026
205.173.217.0/24
No anonymizer space · no proxy exits in 30 daysAir Force Systems Networking · space held by Network Services
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 18, 2026
from AS54355 Network Services
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 205.173.216.0/21 since Jun 2012 | AS54355 | Business | 1 | Network Services |
Network & registry
Origin network
AS501
US
- Name
- Air Force Systems Networking
- Type
- Business
- Registered
- Aug 4, 1989
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2022
- Current origin since
- Oct 18, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 18, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 205.
173. 216. 0/ 21 - Netname
- MULTNOMAH-2
- Registrant
- Network Services
- Organization
- Network Services (NETWOR-16)
- Org address
- MULTNOMAH COUNTY, PORTLAND, OR, 97214
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-173-216-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Apr 25, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 25, 1995
- Status
- assigned
Report abuse
Abuse contact
- dns-admin@
multco. us - Name
- multco-us
- Phone
- +1-503-988-4357
- Handle
- MULTC-ARIN