Autonomous system
AS215731 -Reserved AS-
Unclassified Spamhaus ASN-DROP RIPE
Summary
Novus Labs
business engineering testing
AS215731 is operated by Novus Labs Limited.
What it's used for
- The address space carries prefixes registered to Laidlaw Passenger Services Group (netname
LAIDLAWPSG) and Asia Pacific Network Information Center (netnameAPNIC-AP). - The AS announces 4,864 IPv4 addresses across 5 prefixes and maintains 2 observed neighbours, indicating a small-scale internal or leased network rather than a transit or large access provider.
- Novus Labs is a global engineering services provider offering product testing, certification, and technical staffing, suggesting the network supports corporate operations and testing infrastructure.
Notable
- Registrants for the 204.187.156.0/22, 204.187.160.0/22, and 204.187.155.0/24 prefixes are Laidlaw Passenger Services Group, while the 112.143.32.0/21 and 210.211.24.0/23 prefixes are registered to Asia Pacific Network Information Center, indicating a mix of leased or inherited address space.
- The address inventory consists of five distinct IPv4 prefixes with no IPv6 announcements, reflecting a limited and specific allocation.
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 2026-10-26, 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 · 4.86K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 5 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS215731- Registry name
- NovusLabs
- Registrant
- NOVUSLABS-MNT
- Abuse contact
- abuse@novuslabslimited.com
- Registered
- 2025-11-19
- Last changed
- 2025-11-19
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 19 with no ROA
- ROAs
- 2 authorising AS215731
- ASPA
- no ASPA record
- IRR
- 100% registered · 19 of 19 announcements
- Route objects
- 47 naming AS215731
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
On Spamhaus ASN-DROP Spamhaus lists this entire
network (associated domain novuslabslimited.com)
as controlled by, or hijacked for, cybercrime. Many operators null-route
everything it originates.
2 DROP matches Announced space overlapping the DROP prefix list.
| Announced | DROP entry | Record |
|---|---|---|
| 204.187.156.0/22 | 204.187.156.0/22 | SBL697972 |
| 204.187.160.0/22 | 204.187.160.0/19 | SBL697961 |
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 445 networks and 1,817 prefixes, as published 2026-10-27. 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