AS21581 M5 Computer Security

M5HOSTING - M5 Computer Security · registered in the United States

IPv4 addresses9,21619 prefixes · <0.001% of announced IPv4

Rank in United States#3,061largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#9,479of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)29 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21581 in ASN lookup Look up an IP in this network (38.96.14.1) All networks in United States

IPv4 prefixes

All 19 prefixes, in address order.

38.96.14.0/24
66.238.186.0/24
98.158.160.0/20
108.161.144.0/23
108.161.146.0/24
108.161.148.0/24
108.161.151.0/24
108.161.156.0/23
206.71.169.0/24
206.71.179.0/24
206.71.190.0/24
206.251.244.0/24
206.251.255.0/24
207.158.15.0/24
207.158.30.0/24
207.158.37.0/24
207.158.52.0/24
209.216.206.0/24
209.216.230.0/24

IPv6 prefixes

All 29 prefixes.

2606:7100::/36
2606:7100:1000::/37
2606:7100:1800::/38
2606:7100:1c00::/41
2606:7100:1c80::/43
2606:7100:1ca0::/45
2606:7100:1ca8::/46
2606:7100:1cac::/46
2606:7100:1cb0::/44
2606:7100:1cc0::/42
2606:7100:1d00::/40
2606:7100:1e00::/39
2606:7100:2000::/36
2606:7100:3000::/40
2606:7100:3100::/44
2606:7100:3110::/44
2606:7100:3120::/43
2606:7100:3140::/42
2606:7100:3180::/41
2606:7100:3200::/44
2606:7100:3210::/44
2606:7100:3220::/43
2606:7100:3240::/42
2606:7100:3280::/41
2606:7100:3300::/40
2606:7100:3400::/38
2606:7100:3800::/37
2606:7100:4000::/34
2606:7100:8000::/33

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AS398913#3064 NTSPARK - NT Spark, LLC9,216

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