Data as of Nov 7, 2026
209.133.102.0/24
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 |
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 |
|---|---|---|---|---|---|---|
| 209.133.0.0/17 | 32,768 | NETBLK-ABOVENET-3 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Sep 19, 1997 | abuse@ |
| └ 209.133.102.0/24 | 256 | ZAYO-IDIA-165677-209-133-102-0-24 | Arlington ISD (C07011777) · US | Reassigned | Jun 28, 2018 | abuse@ via NETBLK-ABOVENET-3 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 209.
133. 0. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Sep 19, 1997
- Legacy
- yes
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
- Reactivated
- First seen
- Oct 2008
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.133.102.0/24 | AS17025 | /24 | ARIN | RPKI valid |
| 209.133.0.0/17 | AS6461 | /17 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 209.
133. 102. 0/ 24 - Netname
- ZAYO-IDIA-165677-209-133-102-0-24
- Registrant
- Arlington ISD
- Organization
- Arlington ISD (C07011777)
- Type
- Reassigned
- Handle
- NET-209-133-102-0-1
- Parent
- NET-209-133-0-0-1
- Created
- Jun 28, 2018
- 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