$ query “AS199524” --type=asn → 1 result(s)
AS199524 — GCORE
G-Core Labs S.A.
AS199524 is a major transit provider operated by G-Core Labs S.A., established in Luxembourg in 2012. The network announces a solid 126 720 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #8 by Degree — Top 100 by unique BGP neighbor count
- #1 in Luxembourg — Top 10 by reach within country
Basic Information
- Country
- 🇱🇺 Luxembourg
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 10, 2012
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 454 / 318
- IPv6 Prefixes (raw / aggregated)
- 132 / 50
- IPv4 Addresses
- 126 720
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /41
- Geolocated Countries
- 🇺🇸 US (125 IPs), 🇱🇺 LU (128 IPs), 🇸🇬 SG (31 IPs), 🇧🇷 BR, 🇩🇪 DE, 🇳🇱 NL, 🇬🇧 GB, 🇯🇵 JP, 🇭🇰 HK, 🇰🇿 KZ, 🇦🇺 AU, 🇰🇷 KR, 🇫🇷 FR, 🇺🇿 UZ and 38 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 12 flagged IPs out of 126 720 total (0.01%)
- Open Proxies
- 3 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 44 upstream autonomous systems providing transit
- Peers
- 5 077 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 63 downstream autonomous systems buying transit
- Degree
- 5 201 unique BGP neighbors (providers + customers + peers)
- Reach
- 2 078 — customer cone size measuring network influence
- Degree Rank
- #8
- Reach Rank
- #638
- Country Rank
- #1
Upstream Providers (44)
- AS174 — COGENT-174 (Tier-1 transit)
- AS3356 — LEVEL3 (Tier-1 transit)
- AS137409 — GSLNETWORKS-AS-AP
- AS9002 — RETN-AS
- AS1299 — TWELVE99 (Tier-1 transit)
- AS52320 — GLOBENET-CABOS-SUBMARINOS
- AS37100 — SEACOM-AS
- AS8220 — COLT
- AS3257 — GTT-BACKBONE (Tier-1 transit)
- AS2914 — NTT-DATA-2914 (Tier-1 transit)
- and 34 more
Prefix Lists
IPv4 Prefixes (454 total)
- 92.223.16.0/21 (2 048 addresses)
- 169.155.120.0/21 (2 048 addresses)
- 205.179.240.0/21 (2 048 addresses)
- 216.133.104.0/21 (2 048 addresses)
- 5.188.132.0/22 (1 024 addresses)
- 40.27.40.0/22 (1 024 addresses)
- 69.3.132.0/22 (1 024 addresses)
- 81.28.12.0/22 (1 024 addresses)
- 85.234.68.0/22 (1 024 addresses)
- 85.234.72.0/22 (1 024 addresses)
- 92.223.24.0/22 (1 024 addresses)
- 92.223.44.0/22 (1 024 addresses)
- 92.223.52.0/22 (1 024 addresses)
- 92.223.96.0/22 (1 024 addresses)
- 92.223.116.0/22 (1 024 addresses)
- 92.223.124.0/22 (1 024 addresses)
- 95.85.92.0/22 (1 024 addresses)
- 109.61.44.0/22 (1 024 addresses)
- 109.61.124.0/22 (1 024 addresses)
- 140.235.48.0/22 (1 024 addresses)
- 184.170.200.0/22 (1 024 addresses)
- 185.12.240.0/22 (1 024 addresses)
- 185.249.132.0/22 (1 024 addresses)
- 199.115.72.0/22 (1 024 addresses)
- 205.179.220.0/22 (1 024 addresses)
- 206.135.148.0/22 (1 024 addresses)
- 209.102.252.0/22 (1 024 addresses)
- 5.8.26.0/23 (512 addresses)
- 5.8.92.0/23 (512 addresses)
- 5.101.222.0/23 (512 addresses)
- 5.188.94.0/23 (512 addresses)
- 5.188.126.0/23 (512 addresses)
- 5.189.202.0/23 (512 addresses)
- 40.27.44.0/23 (512 addresses)
- 45.67.210.0/23 (512 addresses)
- 45.80.212.0/23 (512 addresses)
- 45.82.30.0/23 (512 addresses)
- 45.82.100.0/23 (512 addresses)
- 45.82.162.0/23 (512 addresses)
- 45.147.160.0/23 (512 addresses)
- 62.112.222.0/23 (512 addresses)
- 66.248.194.0/23 (512 addresses)
- 74.112.76.0/23 (512 addresses)
- 78.111.102.0/23 (512 addresses)
- 78.111.104.0/23 (512 addresses)
- 80.93.210.0/23 (512 addresses)
- 80.93.214.0/23 (512 addresses)
- 80.240.104.0/23 (512 addresses)
- 82.117.224.0/23 (512 addresses)
- 82.158.120.0/23 (512 addresses)
IPv6 Prefixes (132 total)
- 2a03:90c0:80::/41
- 2a03:90c0:100::/41
- 2a03:90c0:300::/41
- 2a03:90c0:500::/41
- 2a03:90c0:40::/42
- 2a03:90c0:180::/42
- 2a03:90c0:240::/42
- 2a03:90c0:2c0::/42
- 2a03:90c0:380::/42
- 2a03:90c0:4c0::/42
- 2a03:90c0:5c0::/42
- 2a03:90c0:700::/42
- 2a03:90c0:20::/43
- 2a03:90c0:1e0::/43
- 2a03:90c0:220::/43
- 2a03:90c0:280::/43
- 2a03:90c0:3e0::/43
- 2a03:90c0:420::/43
- 2a03:90c0:460::/43
- 2a03:90c0:480::/43
- 2a03:90c0:5a0::/43
- 2a03:90c0:660::/43
- 2a03:90c0:6c0::/43
- 2a03:90c0:740::/43
- 2a03:90c0:780::/43
- 2a03:90c0:ffe0::/43
- 2a03:90c0:10::/44
- 2a03:90c0:1d0::/44
- 2a03:90c0:210::/44
- 2a03:90c0:2a0::/44
- 2a03:90c0:3c0::/44
- 2a03:90c0:400::/44
- 2a03:90c0:4b0::/44
- 2a03:90c0:590::/44
- 2a03:90c0:610::/44
- 2a03:90c0:640::/44
- 2a03:90c0:690::/44
- 2a03:90c0:6b0::/44
- 2a03:90c0:6f0::/44
- 2a03:90c0:770::/44
- 2a03:90c0:7c0::/44
- 2a03:90c0:8888::/45
- 2a03:90c0:9994::/46
- 2a03:90c0:999c::/46
- 2a03:90c0:9990::/47
- 2a03:90c0:9998::/47
- 2a03:90c0:8885::/48
- 2a03:90c0:8886::/48
- 2a03:90c0:9992::/48
- 2a03:90c0:999a::/48