Data as of Nov 9, 2026
216.163.216.0/21
4 residential-proxy exits · 30 daysCity of Boston · space held by Boston Public Schools
Residential-proxy exits
Proxy exits
4
0.20% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
4
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
41 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 216.163.221.0/24 | 0 | 2 | |
| 216.163.222.0/24 | 0 | 2 |
Proxy providers listing exits
- ColaProxy
- FastProxy
- ProxyEmpire
- Thordata
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.163.208.0/20 since Jul 2013 | AS27370 | Business | 10 | Boston Public Schools |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.163.216.0/22 since Dec 2015 | AS27370 | Business | Boston Public Schools | ||
| 216.163.220.0/22 since Dec 2015 | AS27370 | Business | 4 | Boston Public Schools |
Network & registry
Origin network
AS27370
US
- Name
- City of Boston
- Type
- Business
- Registered
- Feb 21, 2003
- Domain
- boston.gov
- Website
- www.boston.gov/
- Industry
- Government and Public Administration
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2006
- Current origin since
- Jul 2013 · 13 yr
- Origin networks
- 4
- Last change of origin
- Jul 2019
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.163.216.0/21 | AS27370 | /21 | ARIN | RPKI valid |
| 216.163.208.0/20 | AS27370 | /20 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS27370 | ALTDB | Proxy-registered route object | MAINT-TOWARDEX | Jul 18, 2013 |
Whois
Registration for this announcement
- Range
- 216.
163. 208. 0/ 20 - Netname
- BPSNET-NET
- Registrant
- Boston Public Schools
- Organization
- Boston Public Schools (BPS-14)
- Org address
- 2300 Washington St, Roxbury, MA, 02119
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-163-208-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Jul 27, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 27, 1999
- Status
- assigned
Report abuse
Abuse contact
- acenteio3@
bostonpublicschools. org - Name
- BPS Admins
- Phone
- +1-617-635-9200
- Handle
- BPSAD-ARIN