$ 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, based in Argentina since 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 Colombia, and smaller footprints in 7 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #88 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
July 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
222 / 58
IPv6 Prefixes (raw / aggregated)
99 / 4
IPv4 Addresses
8 428 800
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/20
Geolocated Countries
🇦🇷 Argentina (6 596 256 IPs), 🇦🇺 Australia (5 593 120 IPs), 🇨🇴 Colombia (547 568 IPs) and 7 more
Prefix Changed
July 02, 2026

Reputation

Reputation
Good — 96 flagged IPs out of 8 428 800 total (0.00%)
Open Proxies
12 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
21 networks exchanging traffic without transit
Downstream Customers
213 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
248 unique BGP neighbors
Reach
39 857 networks in customer cone

Upstream Providers (3)

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

Prefix Lists

IPv4 Prefixes (222 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))
  • 152.168.0.0/14 (262 144 addresses (/14 prefix))
  • 190.16.0.0/14 (262 144 addresses (/14 prefix))
  • 181.28.0.0/14 (262 144 addresses (/14 prefix))
  • 190.192.0.0/14 (262 144 addresses (/14 prefix))
  • 190.244.0.0/14 (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))
  • 190.136.0.0/14 (262 144 addresses (/14 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))
  • 201.212.0.0/15 (131 072 addresses (/15 prefix))
  • 200.117.0.0/16 (65 536 addresses (/16 prefix))
  • 201.235.0.0/16 (65 536 addresses (/16 prefix))
  • 201.231.0.0/16 (65 536 addresses (/16 prefix))
  • 200.45.0.0/16 (65 536 addresses (/16 prefix))
  • 24.232.0.0/16 (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))
  • 200.73.128.0/18 (16 384 addresses (/18 prefix))
  • 200.105.0.0/18 (16 384 addresses (/18 prefix))
  • 66.60.0.0/18 (16 384 addresses (/18 prefix))
  • 200.89.128.0/18 (16 384 addresses (/18 prefix))
  • 200.55.64.0/18 (16 384 addresses (/18 prefix))
  • 200.3.64.0/19 (8 192 addresses (/19 prefix))
  • 200.105.64.0/19 (8 192 addresses (/19 prefix))
  • 196.32.64.0/19 (8 192 addresses (/19 prefix))
  • 200.3.32.0/19 (8 192 addresses (/19 prefix))
  • 200.61.192.0/19 (8 192 addresses (/19 prefix))
  • 200.63.0.0/19 (8 192 addresses (/19 prefix))
  • 200.49.128.0/19 (8 192 addresses (/19 prefix))
  • 200.32.0.0/19 (8 192 addresses (/19 prefix))
  • 200.42.128.0/19 (8 192 addresses (/19 prefix))
  • 200.80.64.0/20 (4 096 addresses (/20 prefix))
  • 200.49.96.0/20 (4 096 addresses (/20 prefix))

IPv6 Prefixes (99 total)

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