Data as of Nov 8, 2026
170.223.13.0/24
11 residential-proxy exits · 30 daysMass General Brigham Incorporated
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low
Proxy exits nearby
Recent change
New origin Jul 2026
its first announcement on record
Residential-proxy exits
Proxy exits
11
4.3% of its addresses · 30 days
Always-on exits
3
27% of its exits
Providers
23
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
2.2K observations
Proxy providers listing exits
- 711Proxy
- AnyIP
- BlurPath
- BottingTools
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- EZProxies
- FloppyData
- Geonode
- GloryCloud
- IPFly
- IPPeak
- InfiniteProxies
- NovProxy
- NovaProxy
- ProxyGeo
- PuraRoute
- RainProxy
- Thordata
- WealthProxies
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 170.223.0.0/16 since Dec 2019 | AS40831 | Business | 63 3 always on | Mass General Brigham Incorporated |
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 |
|---|---|---|---|---|---|---|
| 170.223.0.0/16 | 65,536 | PHCS-B | Mass General Brigham Incorporated (PHS-8) · US | Direct Allocation | Jul 14, 1995 | tmccann@ |
| └ 170.223.13.0/24 | 256 | MGB-MEGAPORT-NDC | Mass General Brigham Incorporated (C11604911) · US | Reassigned | May 27, 2026 | tmccann@ via PHCS-B |
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
- Mass General Brigham Incorporated
- Handle
- PHS-8
- Range
- 170.
223. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 14, 1995
- Legacy
- yes
Origin network
AS40831
US
- Name
- Mass General Brigham Incorporated
- Type
- Business
- Registered
- Jul 25, 2017
- Domain
- massgeneralbrigham.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
- Jul 2026
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 170.
223. 13. 0/ 24 - Netname
- MGB-MEGAPORT-NDC
- Registrant
- Mass General Brigham Incorporated
- Organization
- Mass General Brigham Incorporated (C11604911)
- Type
- Reassigned
- Handle
- NET-170-223-13-0-1
- Parent
- NET-170-223-0-0-1
- Created
- May 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 14, 1995
- Status
- assigned
Report abuse
Abuse contact
- tmccann@
mgb. org - Name
- McCann, Thomas
- Phone
- +1-857-214-1079
- Handle
- MCCAN128-ARIN