Data as of Nov 7, 2026
209.133.100.0/24
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.133.0.0/17 since May 2005 | AS6461 | Internet provider | 83 6 always on | Zayo Bandwidth |
Network & registry
Origin network
AS17025
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Jul 14, 2000
- Domain
- zayo.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2010
- Current origin since
- Nov 2018 · 8.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2018
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.133.100.0/24 | AS17025 | /24 | ARIN | RPKI valid |
| 209.133.0.0/17 | AS6461 | /17 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 209.
133. 0. 0/ 17 - Netname
- NETBLK-ABOVENET-3
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-133-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Sep 19, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 19, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN