AS5577 ROOT root SA

ROOT root SA · registered in Luxembourg

IPv4 addresses5,1204 prefixes · <0.001% of announced IPv4

Rank in Luxembourg#22largest network in LU by IPv4 space, of 103 · 0.35% of LU

Rank worldwide#13,271of 79,396 networks with IPv4

IPv61 x /32 (65,537 x /48)2 prefixes

CountryLuxembourg105 ASNs registered there

Open AS5577 in ASN lookup Look up an IP in this network (83.243.8.1) All networks in Luxembourg

IPv4 prefixes

All 4 prefixes, in address order.

83.243.8.0/21
195.24.72.0/21
195.26.4.0/23
195.28.160.0/23

IPv6 prefixes

All 2 prefixes.

2001:67c:15a3::/48
2a01:608::/32

Similar-sized networks in Luxembourg

ASNNameIPv4 addresses

AS25273#19 BCELU Broadcasting Center Europe (an RTL Group Company)8,704

AS34655#20 DOCLER-AS JWE S.a r.l.8,704

AS60725#21 O3B-AS SES ASTRA S.A.5,632

AS15814#23 AS15814 Clearstream Services S.A.4,096

AS201973#24 CURIA-AS European Court of Justice4,096

AS198095#25 ebrc POST Telecom S.A.3,584

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources