Data as of Nov 7, 2026
209.37.171.0/24
No anonymizer space · no proxy exits in 30 daysE INK Corporation · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.36.0.0/15 since May 2005 | AS7018 | Residential | 90 6 always on | AT&T Enterprises, LLC |
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 |
|---|---|---|---|---|---|---|
| 209.36.0.0/15 | 131,072 | WORLDNET-MIS2 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Feb 12, 1997 | abuse@ |
| └ 209.37.168.0/22 | 1,024 | ATTWORLD-MIS-9-37-168-22 | AT&T Services, Inc. (ATTW) · US | Reallocated | May 20, 2011 | — |
| └ 209.37.171.0/24 | 256 | E-INK821-171 | E INK (EI-396) · US | Reassigned | Mar 23, 2018 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 209.
36. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Feb 12, 1997
- Legacy
- yes
- Reallocated to
- AT&T Services, Inc. (ATTW)
- Reallocated range
- 209.
37. 168. 0/ 22 - Reallocated
- May 20, 2011
Origin network
AS25725
US
- Name
- E INK Corporation
- Type
- Business
- Registered
- Aug 6, 2013
- Domain
- eink.com
- Industry
- Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2013
- Current origin since
- Dec 2013 · 13 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25725 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
37. 171. 0/ 24 - Netname
- E-INK821-171
- Registrant
- E INK
- Organization
- E INK (EI-396)
- Org address
- 1000 TECHNOLOGY PK DR, BILL, MA, 01821
- Org country
- US
- Type
- Reassigned
- Handle
- NET-209-37-171-0-1
- Parent
- NET-209-37-168-0-1
- Created
- Mar 23, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 12, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN