$ query “AS15557” --type=asn → 1 result(s)
AS15557 — LDCOMNET
Societe Francaise Du Radiotelephone - SFR SA
AS15557 is a major transit provider operated by Societe Francaise Du Radiotelephone - SFR SA, registered in France since 2002. The network announces a whopping 15.8 million IPv4 addresses (0.43% of routable IPv4 space), including a /11. Supports IPv6.
- 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
- 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
- March 05, 2026
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
- 🇫🇷 FR (483 IPs), 🇬🇧 GB (2 IPs), 🇹🇳 TN (1 IPs)
- Prefix Changed
- March 05, 2026
Reputation
- Reputation
- Good — 27 flagged IPs out of 15 829 248 total (0.00%)
Connectivity Summary
- Upstream Providers
- 6 upstream autonomous systems providing transit
- Peers
- 71 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 75 downstream autonomous systems buying transit
- Degree
- 164 unique BGP neighbors (providers + customers + peers)
- Reach
- 100 — customer cone size measuring network influence
- Degree Rank
- #860
- Reach Rank
- #1 070
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (146 total)
- 93.0.0.0/11 (2 097 152 addresses)
- 109.0.0.0/11 (2 097 152 addresses)
- 77.144.0.0/12 (1 048 576 addresses)
- 77.192.0.0/12 (1 048 576 addresses)
- 78.112.0.0/12 (1 048 576 addresses)
- 79.80.0.0/12 (1 048 576 addresses)
- 86.64.0.0/12 (1 048 576 addresses)
- 37.64.0.0/13 (524 288 addresses)
- 77.128.0.0/13 (524 288 addresses)
- 84.96.0.0/13 (524 288 addresses)
- 92.88.0.0/13 (524 288 addresses)
- 81.64.0.0/14 (262 144 addresses)
- 84.4.0.0/14 (262 144 addresses)
- 85.168.0.0/14 (262 144 addresses)
- 88.136.0.0/14 (262 144 addresses)
- 89.156.0.0/14 (262 144 addresses)
- 89.224.0.0/14 (262 144 addresses)
- 91.68.0.0/14 (262 144 addresses)
- 77.140.0.0/15 (131 072 addresses)
- 80.118.0.0/15 (131 072 addresses)
- 80.124.0.0/15 (131 072 addresses)
- 85.68.0.0/15 (131 072 addresses)
- 88.140.0.0/15 (131 072 addresses)
- 89.2.0.0/15 (131 072 addresses)
- 92.102.0.0/15 (131 072 addresses)
- 46.218.0.0/16 (65 536 addresses)
- 62.39.0.0/16 (65 536 addresses)
- 77.136.0.0/16 (65 536 addresses)
- 77.142.0.0/16 (65 536 addresses)
- 81.185.0.0/16 (65 536 addresses)
- 81.220.0.0/16 (65 536 addresses)
- 82.216.0.0/16 (65 536 addresses)
- 87.231.0.0/16 (65 536 addresses)
- 88.142.0.0/16 (65 536 addresses)
- 88.219.0.0/16 (65 536 addresses)
- 195.115.0.0/16 (65 536 addresses)
- 195.132.0.0/16 (65 536 addresses)
- 212.198.0.0/16 (65 536 addresses)
- 213.223.0.0/16 (65 536 addresses)
- 213.245.0.0/16 (65 536 addresses)
- 62.62.128.0/17 (32 768 addresses)
- 62.106.128.0/17 (32 768 addresses)
- 80.236.0.0/17 (32 768 addresses)
- 83.141.128.0/17 (32 768 addresses)
- 212.99.0.0/17 (32 768 addresses)
- 62.241.64.0/18 (16 384 addresses)
- 77.104.0.0/18 (16 384 addresses)
- 79.174.192.0/18 (16 384 addresses)
- 81.1.0.0/18 (16 384 addresses)
- 82.101.0.0/18 (16 384 addresses)
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