Autonomous system profile

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

AS16246

Announcement observedRIPE NCC

O2 Czech Republic, a.s. · AS16246

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

Last active9/30/2026, 16:40:30Snapshot expired

View network topology RDAP registration

ASN: AS16246
Registration country: Czechia
Name: O2 Czech Republic, a.s.
Abbreviation: AS16246
Registration date: 10/21/2003, 14:46:13
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
176.98.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
178.17.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
185.15.252.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
188.175.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
213.180.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
77.87.232.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
78.108.152.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
82.150.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
86.63.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
91.197.116.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
92.240.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
94.74.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid
95.143.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/31/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: O2 Czech Republic, a.s.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 10/21/2003, 14:46:13
Abuse contact: abuse@o2.cz

Snapshot trend

9/30/2026, 16:40:3013 v42 v62 Upstream · 0 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