Autonomous system
AS5420 KEMNET KemNet Autonomous system
Unclassified RIPE
Summary
Kemira Oyj
enterprise legacy
KEMNET is the corporate network of Kemira Oyj, the Finnish chemicals group headquartered in Helsinki, which supplies chemistry for water treatment, pulp and paper and industrial process customers worldwide.
What it's used for
- Kemira's own enterprise networking: corporate sites, offices and production facilities, and the internet-facing services the company runs for itself.
Notable
- Enterprise address space, not a provider's. Hosts here belong to the company; there are no customers behind this ASN buying connectivity.
- Kemira is a RIPE Local Internet Registry in its own right, which is why an industrial manufacturer appears in the low-numbered ASN range alongside carriers and universities — a legacy of the era when large corporates ran their own multi-homed internet presence rather than buying it as a service.
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 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 1 prefixes · 1.02K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| FI | Finland | 2 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS5420- Registry name
- KEMNET
- Registrant
- KEMIRA-MNT
- Abuse contact
- abuse.contact@kemira.com
- Registered
- 1970-01-01
- Last changed
- 2024-02-23
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 5 valid, 0 with no ROA
- ROAs
- 6 authorising AS5420
- ASPA
- no ASPA record
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 7 naming AS5420
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 1,784 prefixes, as published 2026-10-19. 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