Autonomous system profile

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

AS51557

Announcement observedRIPE NCC

TR-ISIMTESCIL-20201202 Isimtescil Bilisim A.S. · TR-ISIMTESCIL-20201202

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

Last active10/4/2026, 17:57:30Snapshot expired

View network topology RDAP registration

ASN: AS51557
Registration country: RIR did not provide a registration country
Name: TR-ISIMTESCIL-20201202 Isimtescil Bilisim A.S.
Abbreviation: TR-ISIMTESCIL-20201202
Registration date: 9/28/2010, 12:06:08
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.111.232.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
185.111.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
185.33.232.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
84.51.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
84.51.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
84.51.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
91.93.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
91.93.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
91.93.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
91.93.152.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
93.89.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/13/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: TR-ISIMTESCIL-20201202 Isimtescil Bilisim A.S.
RIR: RIPE NCC
Registration country: RIR did not provide a registration country
Registration date: 9/28/2010, 12:06:08
Abuse contact: abuse@isimtescil.net

Snapshot trend

10/4/2026, 17:57:3011 v40 v61 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 · rir-rdap-asn · iana-rdap-asn-bootstrap