AS4455 BSO IX Reach Ltd

BSO IX Reach Ltd · registered in the United Kingdom

IPv4 addresses54,78477 prefixes · 0.002% of announced IPv4

Rank in United Kingdom#83largest network in GB by IPv4 space, of 2,074 · 0.08% of GB

Rank worldwide#3,790of 79,396 networks with IPv4

IPv63 x /32 (196,609 x /48)70 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS4455 in ASN lookup Look up an IP in this network (8.29.192.1) All networks in United Kingdom

IPv4 prefixes

All 77 prefixes, in address order.

8.29.192.0/22
8.29.196.0/23
8.29.199.0/24
31.217.128.0/22
31.217.132.0/22
31.217.136.0/21
31.217.144.0/20
46.18.168.0/21
83.243.16.0/21
89.30.0.0/22
89.30.4.0/23
89.30.6.0/23
89.30.8.0/22
89.30.12.0/23
89.30.14.0/24
89.30.15.0/24
89.30.16.0/22
89.30.20.0/23
89.30.22.0/23
89.30.24.0/23
89.30.26.0/24
89.30.27.0/24
89.30.28.0/22
89.30.32.0/22
89.30.36.0/24
89.30.37.0/24
89.30.38.0/23
89.30.40.0/21
89.30.48.0/24
89.30.49.0/24
89.30.50.0/23
89.30.52.0/22
89.30.56.0/23
89.30.58.0/24
89.30.59.0/24
89.30.60.0/22
89.30.64.0/23
89.30.66.0/24
89.30.67.0/24
89.30.68.0/23
89.30.70.0/23
89.30.72.0/21
89.30.80.0/22
89.30.84.0/24
89.30.85.0/24
89.30.86.0/23
89.30.88.0/22
89.30.93.0/24
89.30.94.0/23
89.30.96.0/21
89.30.104.0/23
89.30.107.0/24
89.30.108.0/22
89.30.112.0/24
89.30.114.0/23
89.30.116.0/22
89.30.120.0/23
89.30.122.0/23
89.30.124.0/22
91.196.184.0/22
185.55.16.0/24
185.55.17.0/24
185.55.18.0/23
193.27.78.0/23
193.218.12.0/22
194.126.217.0/24
195.49.140.0/23
195.49.142.0/24
195.49.143.0/24
206.41.72.0/24
206.41.74.0/23
206.41.76.0/22
208.48.160.0/24
208.48.161.0/24
208.48.162.0/23
208.48.164.0/23
208.48.166.0/23

IPv6 prefixes

All 70 prefixes.

2001:67c:1254::/48
2401:5180::/32
2a01:8200::/47
2a01:8200:2::/47
2a01:8200:4::/46
2a01:8200:8::/45
2a01:8200:10::/45
2a01:8200:18::/46
2a01:8200:1c::/47
2a01:8200:1e::/47
2a01:8200:20::/43
2a01:8200:40::/42
2a01:8200:80::/41
2a01:8200:100::/40
2a01:8200:200::/39
2a01:8200:400::/38
2a01:8200:800::/37
2a01:8200:1000::/40
2a01:8200:1100::/40
2a01:8200:1200::/39
2a01:8200:1400::/38
2a01:8200:1800::/37
2a01:8200:2000::/39
2a01:8200:2200::/40
2a01:8200:2300::/48
2a01:8200:2301::/48
2a01:8200:2302::/47
2a01:8200:2304::/46
2a01:8200:2308::/45
2a01:8200:2310::/44
2a01:8200:2320::/43
2a01:8200:2340::/42
2a01:8200:2380::/41
2a01:8200:2400::/39
2a01:8200:2600::/48
2a01:8200:2601::/48
2a01:8200:2602::/47
2a01:8200:2604::/46
2a01:8200:2608::/45
2a01:8200:2610::/44
2a01:8200:2620::/43
2a01:8200:2640::/42
2a01:8200:2680::/41
2a01:8200:2700::/40
2a01:8200:2800::/37
2a01:8200:3000::/36
2a01:8200:4000::/38
2a01:8200:4400::/48
2a01:8200:4401::/48
2a01:8200:4402::/47
2a01:8200:4404::/46
2a01:8200:4408::/45
2a01:8200:4410::/44
2a01:8200:4420::/43
2a01:8200:4440::/42
2a01:8200:4480::/41
2a01:8200:4500::/40
2a01:8200:4600::/39
2a01:8200:4800::/37
2a01:8200:5000::/36
2a01:8200:6000::/35
2a01:8200:8000::/33
2a02:27f0::/34
2a02:27f0:4000::/38
2a02:27f0:4400::/39
2a02:27f0:4600::/39
2a02:27f0:4800::/37
2a02:27f0:5000::/36
2a02:27f0:6000::/35
2a02:27f0:8000::/33

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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