Data as of Nov 5, 2026
216.100.36.0/22
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.100.0.0/14 since Nov 2021 | AS7018 | Residential | 800 85 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 |
|---|---|---|---|---|---|---|
| 216.100.0.0/14 | 262,144 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Oct 2, 1998 | abuse@ |
| └ 216.100.36.0/22 | 1,024 | PBI-CUSTNET-4405 | Humboldt Internet (HUMBOL) · US | Reassigned | Feb 18, 1999 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 216.
100. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Oct 2, 1998
Origin network
AS7287
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Nov 1, 1996
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2022
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.100.36.0/22 | AS7287 | /22 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
100. 36. 0/ 22 - Netname
- PBI-CUSTNET-4405
- Registrant
- Humboldt Internet
- Organization
- Humboldt Internet (HUMBOL)
- Org address
- 750 16th Street, Arcata, CA, 95521
- Org country
- US
- Type
- Reassigned
- Handle
- NET-216-100-36-0-1
- Parent
- NET-216-100-0-0-1
- Created
- Feb 18, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 2, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN