Autonomous system
AS13839 P1P3R
Unclassified ARIN
Summary
Piper Sandler Companies
finance business enterprise
The AS handle spells the firm with digits standing in for letters.
What it's used for
- An investment bank's network. 1,536 addresses across three IPv4 prefixes, four observed BGP neighbours, and no IPv6 announced.
Notable
- The AS handle is
P1P3R, a five-character string using digits in place of two of the letters. - All three blocks are netname
PJC-INDEPENDENT, initials followed by a word. - The middle initial matches nothing in the registrant's current name.
- All three prefixes begin
206.15, pieces of one parent range announced separately. - First seen in the routing archive on 2005-08-23, timestamped at midnight.
- Nine addresses were queried for reverse DNS and none returned a name.
Interesting
- Digit-for-letter substitution in a registry handle is a choice nothing required. Registry handles must be unique, so the usual cause is that the plain spelling was already taken, and the workaround has now outlived whatever conflict produced it.
- The netname's initials record a name the firm no longer uses, and the word attached to them describes a status rather than a network. Together they date the object to a corporate era the registrant field has already moved past.
- Three announcements from one parent range, four upstreams, no IPv6, and no reverse names is a bank publishing the minimum.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-21, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 3 prefixes · 1.54K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 3 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS13839- Registry name
- P1P3R
- Registrant
- Piper Sandler Companies
- Abuse contact
- firewall@psc.com
- Registered
- 2005-07-15
- Last changed
- 2012-02-24
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 6 with no ROA
- ROAs
- 0 authorising AS13839
- ASPA
- no ASPA record
- IRR
- 100% registered · 6 of 6 announcements
- Route objects
- 8 naming AS13839
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,779 prefixes, as published 2026-10-22. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere