Data as of Nov 6, 2026
172.81.5.0/24
No anonymizer space · no proxy exits in 30 daysBtig LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 172.81.4.0/22 since May 2021 | AS30417 | Business | Btig LLC |
Network & registry
Origin network
AS30417
US
- Name
- Btig LLC
- Type
- Business
- Registered
- Oct 3, 2003
- Domain
- btig.com
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.81.4.0/22 | AS30417 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30417 | ARIN | BTIG US CENTRAL | MNT-BL-1045 | Apr 30, 2025 |
Whois
Registration for this announcement
- Range
- 172.
81. 4. 0/ 22 - Netname
- BTIG-LLC
- Registrant
- Btig LLC
- Organization
- Btig LLC (BL-1045)
- Org address
- 350 Bush Street, San Francisco, CA, 94104
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-172-81-4-0-1
- Parent
- NET-172-0-0-0-0
- Created
- May 3, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- May 3, 2021
- Status
- assigned
Report abuse
Abuse contact
- amui@
btig. com - Name
- Mui, Albert L
- Phone
- +1-212-593-4480
- Handle
- ALM15-ARIN