Data as of Nov 10, 2026
216.123.128.0/18
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 216.123.176.0/24 since Sep 2021 | AS15290 | Internet provider | Zayo Bandwidth | |
| 216.123.186.0/24 since Jan 2017 | AS21570 | Internet provider | Zayo Bandwidth | |
| 216.123.187.0/24 since Sep 2021 | AS15290 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 216. | 49,152 | ZAYO-CAN-13 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Nov 20, 1998 | abuse@ |
| └ 216.123.144.0/29 | 8 | NET-216-123-144-0-29 | unknown | — | — | — |
| └ 216.123.144.224/29 | 8 | NET-216-123-144-224-29 | unknown | — | — | — |
| └ 216.123.144.248/29 | 8 | NET-216-123-144-248-29 | unknown | — | — | — |
| └ 216.123.153.16/28 | 16 | NET-216-123-153-16-28 | unknown | — | — | — |
| └ 216.123.167.64/29 | 8 | NET-0-216-123-167-64-29 | unknown | — | — | — |
| └ 216.123.175.140/30 | 4 | NET-0-216-123-175-140-30 | unknown | — | — | — |
| └ 216.123.180.128/26 | 64 | NET-0-216-123-180-128-26 | unknown | — | — | — |
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 |
|---|---|---|---|---|
| 216.123.128.0/18 | AS6461 | /18 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
123. 0. 0 - 216. 123. 191. 255 - Netname
- ZAYO-CAN-13
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-123-0-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Nov 20, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 20, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN