Autonomous system profile

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

AS50331

Announcement observedRIPE NCC

CITYNET Sp.z o.o. · CITYNET

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

Last active10/30/2026, 23:01:12Snapshot expired

View network topology RDAP registration

ASN: AS50331
Registration country: Registration country pending sync
Name: CITYNET Sp.z o.o.
Abbreviation: CITYNET
Registration date: 12/21/2009, 09:12:57
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
178.217.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
178.217.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
178.217.197.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: CITYNET Sp.z o.o.
RIR: RIPE NCC
Registration country: Registration country pending sync
Registration date: 12/21/2009, 09:12:57
Abuse contact: isp@insite.pl

Snapshot trend

10/30/2026, 23:01:123 v40 v65 Upstream · 3 Uncertain

10/4/2026, 14:26:323 v40 v67 Upstream · 3 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 · iana-rdap-asn-bootstrap · rir-rdap-asn