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

AS7303 · TELECOM-ARGENTINA

Telecom Argentina S.A.

AS7303 is run 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 Paraguay and Uruguay, and a smaller footprint in another country.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 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
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
222 / 58
IPv6 Prefixes (raw / aggregated)
100 / 4
IPv4 Addresses
8 428 800
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/20
Geolocated Countries
🇦🇷 Argentina (8 398 848 IPs), 🇵🇾 Paraguay (18 688 IPs), 🇺🇾 Uruguay (8 448 IPs) and 1 more
Prefix Changed
October 10, 2026

Reputation

Reputation
Good — 188 flagged IPs out of 8 428 800 total (0.00%)
Open Proxies
7 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
19 networks exchanging traffic without transit
Downstream Customers
208 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
241 unique BGP neighbors
Reach
274 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))
  • 181.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 181.96.0.0/12 (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))
  • 181.28.0.0/14 (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))
  • 190.16.0.0/14 (262 144 addresses (/14 prefix))
  • 190.136.0.0/14 (262 144 addresses (/14 prefix))
  • 190.188.0.0/14 (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))
  • 186.152.0.0/15 (131 072 addresses (/15 prefix))
  • 190.30.0.0/15 (131 072 addresses (/15 prefix))
  • 201.212.0.0/15 (131 072 addresses (/15 prefix))
  • 201.252.0.0/15 (131 072 addresses (/15 prefix))
  • 24.232.0.0/16 (65 536 addresses (/16 prefix))
  • 200.43.0.0/16 (65 536 addresses (/16 prefix))
  • 200.45.0.0/16 (65 536 addresses (/16 prefix))
  • 200.117.0.0/16 (65 536 addresses (/16 prefix))
  • 200.127.0.0/16 (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))
  • 191.97.128.0/17 (32 768 addresses (/17 prefix))
  • 200.42.0.0/17 (32 768 addresses (/17 prefix))
  • 200.82.0.0/17 (32 768 addresses (/17 prefix))
  • 200.114.128.0/17 (32 768 addresses (/17 prefix))
  • 200.122.0.0/17 (32 768 addresses (/17 prefix))
  • 200.126.128.0/17 (32 768 addresses (/17 prefix))
  • 66.60.0.0/18 (16 384 addresses (/18 prefix))
  • 200.55.64.0/18 (16 384 addresses (/18 prefix))
  • 200.73.128.0/18 (16 384 addresses (/18 prefix))
  • 200.89.128.0/18 (16 384 addresses (/18 prefix))
  • 200.105.0.0/18 (16 384 addresses (/18 prefix))
  • 196.32.64.0/19 (8 192 addresses (/19 prefix))
  • 200.3.32.0/19 (8 192 addresses (/19 prefix))
  • 200.3.64.0/19 (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))
  • 200.49.128.0/19 (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))
  • 200.105.64.0/19 (8 192 addresses (/19 prefix))
  • 200.49.96.0/20 (4 096 addresses (/20 prefix))
  • 200.71.224.0/20 (4 096 addresses (/20 prefix))

IPv6 Prefixes (100 total)

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