Data as of Nov 6, 2026
209.249.172.0/23
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.249.172.0/24 since Mar 2026 | AS22392 | Business | Zayo Bandwidth | |
| 209.249.173.0/24 since Mar 2026 | AS22392 | Business | Zayo Bandwidth |
Network & registry
Announced by
Covering announcement 209.249.0.0/16
- Prefix
- 209.249.0.0/16
- Announced by
- AS6461 Zayo Bandwidth
- Type
- Internet provider
- Proxy exits
- 141
- Always-on exits
- 7
- RPKI
- RPKI valid
- Netname
- ABOVENET-4
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS6461
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- zayo.com
- Website
- www.zayo.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 209.249.0.0/16
209.249.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.249.0.0/16 | AS6461 | /16 | ARIN | RPKI valid |
IRR
Route objects on 209.249.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6461 | ARIN | Zayo Bandwidth | MNT-ZAYOB | Dec 5, 2024 |
Whois
Registration for this announcement
- Range
- 209.
249. 0. 0/ 16 - Netname
- ABOVENET-4
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-249-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Jun 15, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 15, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN