$ query “AS15557” --type=asn → 1 result(s)

AS15557 · LDCOMNET

Societe Francaise Du Radiotelephone - SFR SA

AS15557 belongs to Societe Francaise Du Radiotelephone - SFR SA and is a mid-size transit provider, established in France in 2002. The system announces a whopping 15.8 million IPv4 addresses (0.43% of routable IPv4 space), including a /11, and supports IPv6. Its primary geographic footprint is in France, with additional presence in the United Kingdom and Tunisia.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses

Basic Information

Country
🇫🇷 France
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 19, 2002
Last Changed
April 01, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
146 / 124
IPv6 Prefixes (raw / aggregated)
12 / 9
IPv4 Addresses
15 829 248
Largest IPv4 Prefix
/11 (2 097 152 addresses)
Largest IPv6 Prefix
/25
Geolocated Countries
🇫🇷 France (29 294 544 IPs), 🇬🇧 United Kingdom (64 IPs), 🇹🇳 Tunisia (16 IPs)
Prefix Changed
May 31, 2026

Reputation

Reputation
Good — 33 flagged IPs out of 15 829 248 total (0.00%)

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
72 networks exchanging traffic without transit
Downstream Customers
77 downstreams buying transit
Unclassified
14 unclassified BGP neighbors
Degree
169 unique BGP neighbors
Reach
98 networks in customer cone

Upstream Providers (6)

  • AS174 — COGENT (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS1273 — CW

Prefix Lists

IPv4 Prefixes (146 total)

  • 109.0.0.0/11 (2 097 152 addresses (/11 prefix))
  • 93.0.0.0/11 (2 097 152 addresses (/11 prefix))
  • 86.64.0.0/12 (1 048 576 addresses (/12 prefix))
  • 79.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 78.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 77.192.0.0/12 (1 048 576 addresses (/12 prefix))
  • 77.144.0.0/12 (1 048 576 addresses (/12 prefix))
  • 92.88.0.0/13 (524 288 addresses (/13 prefix))
  • 84.96.0.0/13 (524 288 addresses (/13 prefix))
  • 37.64.0.0/13 (524 288 addresses (/13 prefix))
  • 77.128.0.0/13 (524 288 addresses (/13 prefix))
  • 81.64.0.0/14 (262 144 addresses (/14 prefix))
  • 85.168.0.0/14 (262 144 addresses (/14 prefix))
  • 88.136.0.0/14 (262 144 addresses (/14 prefix))
  • 89.224.0.0/14 (262 144 addresses (/14 prefix))
  • 84.4.0.0/14 (262 144 addresses (/14 prefix))
  • 91.68.0.0/14 (262 144 addresses (/14 prefix))
  • 89.156.0.0/14 (262 144 addresses (/14 prefix))
  • 77.140.0.0/15 (131 072 addresses (/15 prefix))
  • 89.2.0.0/15 (131 072 addresses (/15 prefix))
  • 85.68.0.0/15 (131 072 addresses (/15 prefix))
  • 80.124.0.0/15 (131 072 addresses (/15 prefix))
  • 92.102.0.0/15 (131 072 addresses (/15 prefix))
  • 88.140.0.0/15 (131 072 addresses (/15 prefix))
  • 80.118.0.0/15 (131 072 addresses (/15 prefix))
  • 77.136.0.0/16 (65 536 addresses (/16 prefix))
  • 88.219.0.0/16 (65 536 addresses (/16 prefix))
  • 77.142.0.0/16 (65 536 addresses (/16 prefix))
  • 195.115.0.0/16 (65 536 addresses (/16 prefix))
  • 81.185.0.0/16 (65 536 addresses (/16 prefix))
  • 81.220.0.0/16 (65 536 addresses (/16 prefix))
  • 195.132.0.0/16 (65 536 addresses (/16 prefix))
  • 82.216.0.0/16 (65 536 addresses (/16 prefix))
  • 213.245.0.0/16 (65 536 addresses (/16 prefix))
  • 87.231.0.0/16 (65 536 addresses (/16 prefix))
  • 212.198.0.0/16 (65 536 addresses (/16 prefix))
  • 46.218.0.0/16 (65 536 addresses (/16 prefix))
  • 88.142.0.0/16 (65 536 addresses (/16 prefix))
  • 213.223.0.0/16 (65 536 addresses (/16 prefix))
  • 62.39.0.0/16 (65 536 addresses (/16 prefix))
  • 80.236.0.0/17 (32 768 addresses (/17 prefix))
  • 62.62.128.0/17 (32 768 addresses (/17 prefix))
  • 62.106.128.0/17 (32 768 addresses (/17 prefix))
  • 212.99.0.0/17 (32 768 addresses (/17 prefix))
  • 83.141.128.0/17 (32 768 addresses (/17 prefix))
  • 95.157.192.0/18 (16 384 addresses (/18 prefix))
  • 79.174.192.0/18 (16 384 addresses (/18 prefix))
  • 62.241.64.0/18 (16 384 addresses (/18 prefix))
  • 213.203.64.0/18 (16 384 addresses (/18 prefix))
  • 195.3.0.0/18 (16 384 addresses (/18 prefix))

IPv6 Prefixes (12 total)

  • 2a02:8400::/25
  • 2a00:6200::/29
  • 2a02:e000::/29
  • 2a04:800::/30
  • 2a04:807::/46
  • 2a13:7505:3::/48
  • 2a13:7505:4::/48
  • 2a13:7505:8004::/48
  • 2a13:7506:9004::/48