$ query “AS12735” --type=asn → 1 result(s)

AS12735 — ASTURKNET

TurkNet Iletisim Hizmetleri A.S.

AS12735 is a major transit provider run by TurkNet Iletisim Hizmetleri A.S., established in Türkiye in 2002. The network announces a solid 143 872 IPv4 addresses. Supports IPv6.

Top 5% — Top 5% of all autonomous systems by reach and degree
#6 in Türkiye — Top 10 by reach within country

Basic Information

Country: 🇹🇷 Türkiye
Category: Internet Service Provider
Network Role: Major Transit
Data Origin: Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered: May 30, 2002
Last Changed: March 04, 2026
Last Seen: March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated): 552 / 168
IPv6 Prefixes (raw / aggregated): 411 / 35
IPv4 Addresses: 143 872
Largest IPv4 Prefix: /20 (4 096 addresses)
Largest IPv6 Prefix: /39
Geolocated Countries: 🇹🇷 TR (170 IPs)
Prefix Changed: March 04, 2026

Reputation

Reputation: Good — 21 flagged IPs out of 143 872 total (0.01%)
Open Proxies: 1 known open proxies in this network

Connectivity Summary

Upstream Providers: 8 upstream autonomous systems providing transit
Peers: 39 autonomous systems exchanging traffic without transit fees
Downstream Customers: 60 downstream autonomous systems buying transit
Degree: 118 unique BGP neighbors (providers + customers + peers)
Reach: 35 006 — customer cone size measuring network influence
Degree Rank: #1 263
Reach Rank: #204
Country Rank: #6

Upstream Providers (8)

AS9002 — RETN-AS
AS3257 — GTT-BACKBONE (Tier-1 transit)
AS6762 — SEABONE-NET (Tier-1 transit)
AS16265 — LEASEWEB-NETWORK
AS57304 — RETNRU-AS
AS9121 — TTNET
AS34224 — NETERRA-AS
AS51095 — E1-EMEA

Prefix Lists

IPv4 Prefixes (552 total)

31.223.64.0/20 (4 096 addresses)
95.70.128.0/20 (4 096 addresses)
95.70.160.0/20 (4 096 addresses)
188.119.0.0/20 (4 096 addresses)
188.119.32.0/20 (4 096 addresses)
193.192.96.0/20 (4 096 addresses)
212.154.16.0/20 (4 096 addresses)
31.223.8.0/21 (2 048 addresses)
31.223.16.0/21 (2 048 addresses)
31.223.40.0/21 (2 048 addresses)
31.223.80.0/21 (2 048 addresses)
31.223.96.0/21 (2 048 addresses)
95.70.152.0/21 (2 048 addresses)
95.70.176.0/21 (2 048 addresses)
95.70.200.0/21 (2 048 addresses)
95.70.232.0/21 (2 048 addresses)
95.70.248.0/21 (2 048 addresses)
159.146.8.0/21 (2 048 addresses)
159.146.40.0/21 (2 048 addresses)
159.146.56.0/21 (2 048 addresses)
188.119.16.0/21 (2 048 addresses)
188.119.48.0/21 (2 048 addresses)
212.125.8.0/21 (2 048 addresses)
212.154.8.0/21 (2 048 addresses)
212.154.64.0/21 (2 048 addresses)
212.154.80.0/21 (2 048 addresses)
212.154.104.0/21 (2 048 addresses)
31.223.0.0/22 (1 024 addresses)
31.223.24.0/22 (1 024 addresses)
31.223.32.0/22 (1 024 addresses)
31.223.56.0/22 (1 024 addresses)
31.223.88.0/22 (1 024 addresses)
31.223.124.0/22 (1 024 addresses)
95.70.148.0/22 (1 024 addresses)
95.70.188.0/22 (1 024 addresses)
95.70.208.0/22 (1 024 addresses)
95.70.220.0/22 (1 024 addresses)
159.146.16.0/22 (1 024 addresses)
159.146.28.0/22 (1 024 addresses)
159.146.32.0/22 (1 024 addresses)
159.146.48.0/22 (1 024 addresses)
159.146.64.0/22 (1 024 addresses)
159.146.72.0/22 (1 024 addresses)
159.146.84.0/22 (1 024 addresses)
159.146.88.0/22 (1 024 addresses)
159.146.96.0/22 (1 024 addresses)
159.146.104.0/22 (1 024 addresses)
159.146.120.0/22 (1 024 addresses)
185.22.100.0/22 (1 024 addresses)
188.119.24.0/22 (1 024 addresses)

IPv6 Prefixes (411 total)

2a02:ff0:2a00::/39
2a02:ff0:3200::/39
2a02:ff0:200::/40
2a02:ff0:500::/40
2a02:ff0:600::/40
2a02:ff0:800::/40
2a02:ff0:c00::/40
2a02:ff0:e00::/40
2a02:ff0:1000::/40
2a02:ff0:1200::/40
2a02:ff0:1400::/40
2a02:ff0:1600::/40
2a02:ff0:1800::/40
2a02:ff0:1c00::/40
2a02:ff0:1e00::/40
2a02:ff0:2000::/40
2a02:ff0:2200::/40
2a02:ff0:2500::/40
2a02:ff0:2600::/40
2a02:ff0:2c00::/40
2a02:ff0:3400::/40
2a02:ff0:3800::/40
2a02:ff0:3d00::/40
2a02:ff0:3f00::/40
2a02:ff0:4000::/40
2a02:ff0:4200::/40
2a02:ff0:1a00::/46
2a02:ff0:3000::/46
2a02:ff0:3600::/46
2a02:ff0:1a04::/47
2a02:ff0:3004::/47
2a02:ff0:3604::/47
2a02:ff0:2::/48
2a02:ff0:4::/48
2a02:ff0:ffff::/48