Autonomous system
AS36433 AS-BCLLP
Unclassified ARIN
Summary
Bryan Cave Leighton Paisner
business legal corporate
AS-BCLLP is held by Bryan Cave Leighton Paisner LLP.
What it's used for
- The space carries internal corporate infrastructure for the law firm, evidenced by the netname
BCMMacross all prefixes. - The AS announces 1792 IPv4 addresses across 5 prefixes with 4 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.
Notable
- Registrants for all announced prefixes are listed as
Bryan Cave Leighton Paisner LLP, which aligns with the AS holderBryan Cave LLP. - The address inventory consists of five contiguous /23 and /24 blocks within the 156.47.0.0/16 range, reflecting a finely subdivided internal network.
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 2026-10-24, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 5 prefixes · 1.79K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 5 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS36433- Registry name
- AS-BCLLP
- Registrant
- Bryan Cave LLP
- Abuse contact
- mark.kingery@bclplaw.com
- Registered
- 2005-12-30
- Last changed
- 2014-12-30
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 14% valid · 1 valid, 6 with no ROA
- ROAs
- 1 authorising AS36433
- ASPA
- no ASPA record
- IRR
- 100% registered · 7 of 7 announcements
- Route objects
- 4 naming AS36433
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 2026-10-24. 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