Data as of Nov 6, 2026
209.112.0.0/18
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.112.4.0/24 since Sep 2021 | AS15290 | Unknown | Zayo Bandwidth | |
| 209.112.60.0/24 since May 2018 | AS21774 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 209.112.0.0/18 | 16,384 | ZAYO-CAN-17 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Jul 22, 1997 | abuse@ |
| └ 209.112.1.168/29 | 8 | NET-209-112-1-168-29 | unknown | — | — | — |
| └ 209.112.4.0/24 | 256 | NET-209-112-4-0-24 | IDIA/325911//ZYO (C08233285) · CA | Reassigned | Mar 9, 2022 | abuse@ via ZAYO-CAN-17 |
| └ 209.112.5.160/27 | 32 | NET-209-112-5-160-27 | unknown | — | — | — |
| └ 209.112.11.0/24 | 256 | ABCOMP-BLK11 | unknown | — | — | — |
| └ 209.112.16.0/27 | 32 | NET-209-112-16-0-27 | unknown | — | — | — |
| └ 209.112.16.232/30 | 4 | NET-209-112-16-232-30 | unknown | — | — | — |
| └ 209.112.19.128/27 | 32 | NET-209-112-19-128-27 | unknown | — | — | — |
| └ 209.112.22.136/29 | 8 | NET-209-112-22-136-29 | unknown | — | — | — |
| └ 209.112.22.160/29 | 8 | ZAYO-IDIA-371627-209-112-22-160-29 | unknown | — | — | — |
| └ 209.112.50.144/29 | 8 | NET-209-112-50-144-29 | unknown | — | — | — |
| └ 209.112.51.48/29 | 8 | NET-209-112-51-48-29 | unknown | — | — | — |
| └ 209.112.52.120/30 | 4 | NET-0-209-112-52-120-30 | unknown | — | — | — |
| └ 209.112.54.136/30 | 4 | NET-0-209-112-54-136-30 | unknown | — | — | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 15,872 | 97% | 3 | |
| Hosting | 256 | 1.6% | 1 | |
| Unknown | 256 | 1.6% | 1 |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.112.0.0/18 | AS6461 | /18 | ARIN | RPKI valid |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 209.112.14.0/24 | AS32787 | RADB | Prolexic Technologies, Inc. | MAINT-AS32787 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
112. 0. 0/ 18 - Netname
- ZAYO-CAN-17
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-112-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Jul 22, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 22, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN