$ query “AS7303” --type=asn → 1 result(s)

AS7303 · TELECOM-ARGENTINA

Telecom Argentina S.A.

AS7303 is owned by Telecom Argentina S.A. and is a major transit provider, established in Argentina in 2000. The system announces an impressive 8.4 million IPv4 addresses, including a /12, and supports IPv6. Most of its address space is geolocated to Argentina, with additional presence in Australia and Mauritius, and smaller footprints in 3 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #86 by Reach — Top 100 by customer cone size
  • #1 in Argentina — Top 10 by reach within country

Basic Information

Country
🇦🇷 Argentina
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 09, 2000
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
227 / 59
IPv6 Prefixes (raw / aggregated)
100 / 4
IPv4 Addresses
8 429 824
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/20
Geolocated Countries
🇦🇷 Argentina (4 206 272 IPs), 🇦🇺 Australia (2 983 936 IPs), 🇲🇺 Mauritius (8 192 IPs) and 3 more
Prefix Changed
April 16, 2026

Reputation

Reputation
Good — 144 flagged IPs out of 8 429 824 total (0.00%)
Open Proxies
9 known open proxies in this network

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
18 networks exchanging traffic without transit
Downstream Customers
218 downstreams buying transit
Unclassified
8 unclassified BGP neighbors
Degree
248 unique BGP neighbors
Reach
37 257 networks in customer cone

Upstream Providers (4)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3549 — LVLT-3549
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (227 total)

  • 181.0.0.0/12 (1 048 576 addresses (/12 prefix))
  • 181.96.0.0/12 (1 048 576 addresses (/12 prefix))
  • 181.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 190.224.0.0/13 (524 288 addresses (/13 prefix))
  • 190.16.0.0/14 (262 144 addresses (/14 prefix))
  • 190.136.0.0/14 (262 144 addresses (/14 prefix))
  • 152.168.0.0/14 (262 144 addresses (/14 prefix))
  • 181.28.0.0/14 (262 144 addresses (/14 prefix))
  • 190.244.0.0/14 (262 144 addresses (/14 prefix))
  • 190.192.0.0/14 (262 144 addresses (/14 prefix))
  • 181.164.0.0/14 (262 144 addresses (/14 prefix))
  • 181.168.0.0/14 (262 144 addresses (/14 prefix))
  • 181.228.0.0/14 (262 144 addresses (/14 prefix))
  • 186.108.0.0/14 (262 144 addresses (/14 prefix))
  • 186.124.0.0/14 (262 144 addresses (/14 prefix))
  • 186.136.0.0/14 (262 144 addresses (/14 prefix))
  • 190.188.0.0/14 (262 144 addresses (/14 prefix))
  • 201.212.0.0/15 (131 072 addresses (/15 prefix))
  • 190.30.0.0/15 (131 072 addresses (/15 prefix))
  • 186.152.0.0/15 (131 072 addresses (/15 prefix))
  • 201.252.0.0/15 (131 072 addresses (/15 prefix))
  • 200.117.0.0/16 (65 536 addresses (/16 prefix))
  • 201.231.0.0/16 (65 536 addresses (/16 prefix))
  • 201.235.0.0/16 (65 536 addresses (/16 prefix))
  • 24.232.0.0/16 (65 536 addresses (/16 prefix))
  • 200.45.0.0/16 (65 536 addresses (/16 prefix))
  • 200.43.0.0/16 (65 536 addresses (/16 prefix))
  • 200.127.0.0/16 (65 536 addresses (/16 prefix))
  • 200.126.128.0/17 (32 768 addresses (/17 prefix))
  • 200.122.0.0/17 (32 768 addresses (/17 prefix))
  • 200.114.128.0/17 (32 768 addresses (/17 prefix))
  • 200.42.0.0/17 (32 768 addresses (/17 prefix))
  • 191.97.128.0/17 (32 768 addresses (/17 prefix))
  • 200.82.0.0/17 (32 768 addresses (/17 prefix))
  • 200.55.64.0/18 (16 384 addresses (/18 prefix))
  • 200.105.0.0/18 (16 384 addresses (/18 prefix))
  • 200.89.128.0/18 (16 384 addresses (/18 prefix))
  • 66.60.0.0/18 (16 384 addresses (/18 prefix))
  • 200.73.128.0/18 (16 384 addresses (/18 prefix))
  • 200.3.32.0/19 (8 192 addresses (/19 prefix))
  • 200.32.0.0/19 (8 192 addresses (/19 prefix))
  • 200.63.0.0/19 (8 192 addresses (/19 prefix))
  • 196.32.64.0/19 (8 192 addresses (/19 prefix))
  • 200.3.64.0/19 (8 192 addresses (/19 prefix))
  • 200.49.128.0/19 (8 192 addresses (/19 prefix))
  • 200.105.64.0/19 (8 192 addresses (/19 prefix))
  • 200.61.192.0/19 (8 192 addresses (/19 prefix))
  • 200.42.128.0/19 (8 192 addresses (/19 prefix))
  • 200.49.96.0/20 (4 096 addresses (/20 prefix))
  • 200.80.64.0/20 (4 096 addresses (/20 prefix))
  • and 9 more

IPv6 Prefixes (100 total)

  • 2800:2000::/20
  • 2001:13d0::/29
  • 2800:b000::/32
  • 2803:e7d0::/32