Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS203154

Announcement observedRIPE NCC

MITELIS-DOWNSTREAM MITELIS SECURITY LIMITED · MITELIS-DOWNSTREAM

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/10/2026, 12:34:57Snapshot expired

View network topology RDAP registration

ASN: AS203154
Registration country: United Kingdom
Name: MITELIS-DOWNSTREAM MITELIS SECURITY LIMITED
Abbreviation: MITELIS-DOWNSTREAM
Registration date: 12/5/2025, 09:31:01
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
177.3.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
177.3.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
194.87.156.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/9/2026, 16:00:00	10/12/2026, 16:00:00	✓	×	Historical record
2.26.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
2.26.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
2.26.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
2.27.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
2.27.56.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
31.76.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
31.77.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
78.17.179.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record
79.110.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/30/2026, 16:00:00	10/9/2026, 08:00:00	✓	×	Historical record
89.125.193.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/12/2026, 16:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: MITELIS-DOWNSTREAM MITELIS SECURITY LIMITED
RIR: RIPE NCC
Registration country: United Kingdom
Registration date: 12/5/2025, 09:31:01
Abuse contact: abuse@mitelis.net

Snapshot trend

10/10/2026, 12:34:5713 v40 v65 Upstream · 2 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap