$ query “AS9121” --type=asn → 1 result(s)

AS9121 · TTNET

Turk Telekomunikasyon Anonim Sirketi

AS9121 is run by Turk Telekomunikasyon Anonim Sirketi and is a major transit provider, established in Türkiye in 2002. The system announces an impressive 6.9 million IPv4 addresses, including a /11, and supports IPv6. Most of its address space is geolocated to Türkiye, with additional presence in Australia. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #2 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
September 19, 2002
Last Changed
March 04, 2026
Last Seen
May 15, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
1 146 / 15
IPv6 Prefixes (raw / aggregated)
139 / 7
IPv4 Addresses
6 929 664
Largest IPv4 Prefix
/11 (2 097 152 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇹🇷 Türkiye (13 847 808 IPs), 🇦🇺 Australia (5 120 IPs)
Prefix Changed
May 16, 2026

Reputation

Reputation
Good — 69 flagged IPs out of 6 929 664 total (0.00%)
Open Proxies
5 known open proxies in this network

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
45 networks exchanging traffic without transit
Downstream Customers
299 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
358 unique BGP neighbors
Reach
34 462 networks in customer cone

Upstream Providers (7)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS8359 — MTS
  • AS3320 — DTAG (Tier-1 transit)
  • AS57304 — RETNRU-AS

Prefix Lists

IPv4 Prefixes (1 146 total)

  • 88.224.0.0/11 (2 097 152 addresses (/11 prefix))
  • 78.160.0.0/11 (2 097 152 addresses (/11 prefix))
  • 85.96.0.0/12 (1 048 576 addresses (/12 prefix))
  • 95.0.0.0/12 (1 048 576 addresses (/12 prefix))
  • 81.212.0.0/14 (262 144 addresses (/14 prefix))
  • 212.174.0.0/15 (131 072 addresses (/15 prefix))
  • 195.174.0.0/15 (131 072 addresses (/15 prefix))
  • 212.156.0.0/16 (65 536 addresses (/16 prefix))
  • 62.248.0.0/17 (32 768 addresses (/17 prefix))
  • 194.54.32.0/19 (8 192 addresses (/19 prefix))
  • 2.17.224.0/20 (4 096 addresses (/20 prefix))
  • 93.155.104.0/22 (1 024 addresses (/22 prefix))
  • 176.52.176.0/22 (1 024 addresses (/22 prefix))
  • 2.20.24.0/22 (1 024 addresses (/22 prefix))
  • 193.110.209.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (139 total)

  • 2a00:1d32::/31
  • 2a00:1d36::/31
  • 2a00:1d34::/32
  • 2a01:358::/32
  • 2a02:26f0:c700::/48
  • 2a02:26f0:cb00::/48
  • 2a02:26f0:d100::/48