Data as of Nov 9, 2026
209.160.133.0/24
No anonymizer space · no proxy exits in 30 daysAS394754 · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.160.132.0/22 since Dec 2015 | AS46887 | Internet provider | Zayo Bandwidth | ||
| 209.160.128.0/17 since Apr 2018 | AS46887 | Internet provider | 97 16 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 |
|---|---|---|---|---|---|---|
| 209.160.128.0/17 | 32,768 | ZAYO-CCF-209-160-128-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 2, 2004 | abuse@ |
| └ 209.160.133.0/24 | 256 | NET-209-160-133-0-24 | Mount Auburn Hospital (C05995576) · US | Reassigned | Dec 24, 2015 | abuse@ via ZAYO-CCF-209-160-128-0 |
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.
160. 128. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Feb 2, 2004
Origin network
AS394754
ZZ
- Type
- Business
- Registered
- Nov 8, 2026
- Domain
- mountauburn.org
- Industry
- Health Care Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2016
- Current origin since
- Mar 2016 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS394754 | RADB | Mount Auburn | MAINT-AS17378 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
160. 133. 0/ 24 - Netname
- NET-209-160-133-0-24
- Registrant
- Mount Auburn Hospital
- Organization
- Mount Auburn Hospital (C05995576)
- Type
- Reassigned
- Handle
- NET-209-160-133-0-1
- Parent
- NET-209-160-128-0-1
- Created
- Dec 24, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 2, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN