Data as of Nov 8, 2026
97.107.164.0/24
No anonymizer space · no proxy exits in 30 daysStamford Hospital · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 97.107.160.0/20 since Dec 2018 | AS46887 | Internet provider | 1 | 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 |
|---|---|---|---|---|---|---|
| 97.107.160.0/20 | 4,096 | ZAYO-CCF-97-107-160-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Dec 17, 2008 | abuse@ |
| └ 97.107.164.0/24 | 256 | STAMFORD-HEALTH-SYSTEM | Stamford Health System (C02205947) · US | Reassigned | Apr 15, 2009 | abuse@ via ZAYO-CCF-97-107-160-0 |
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
- 97.
107. 160. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Dec 17, 2008
Origin network
AS395252
US
- Name
- Stamford Hospital
- Type
- Business
- Registered
- Jun 7, 2016
- Domain
- stamfordhospital.org
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2009
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 3
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS395252 | RADB | Stamford Hospital | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 97.
107. 164. 0/ 24 - Netname
- STAMFORD-HEALTH-SYSTEM
- Registrant
- Stamford Health System
- Organization
- Stamford Health System (C02205947)
- Type
- Reassigned
- Handle
- NET-97-107-164-0-1
- Parent
- NET-97-107-160-0-1
- Created
- Apr 15, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 17, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN