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

AS9121 · TTNET

Turk Telekomunikasyon Anonim Sirketi

AS9121 is owned by Turk Telekomunikasyon Anonim Sirketi and is a major transit provider, based in Türkiye since 2002. The system announces an impressive 6.9 million IPv4 addresses, including a /11, and supports IPv6. The bulk of its IP address space is in Türkiye, with additional presence in Australia. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #92 by Reach — Top 100 by customer cone size
  • #1 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
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
1 156 / 15
IPv6 Prefixes (raw / aggregated)
137 / 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
April 17, 2026

Reputation

Reputation
Good — 83 flagged IPs out of 6 929 664 total (0.00%)
Open Proxies
5 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
47 networks exchanging traffic without transit
Downstream Customers
294 downstreams buying transit
Unclassified
14 unclassified BGP neighbors
Degree
361 unique BGP neighbors
Reach
37 118 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3549 — LVLT-3549
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (1 156 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 (137 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