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Autonomous System

AS215305

Mastersoft S.R.L.

Announced IPs
5,888
CIDR prefixes
18
ASN
AS215305

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

AS215305 — global IP footprint

Cities where AS215305 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
103.112.68.0/22 1.0K
97.2%
Cloudie Limited CN
46.8.112.0/23 512
98.8%
Mastersoft S.R.L. CZ
103.112.68.0/23 512
100.0%
Mastersoft S.R.L. CN
103.118.208.0/23 512
13.5%
Mastersoft S.R.L. CN
103.119.18.0/23 512
89.8%
Mastersoft S.R.L. CN
5.180.97.0/24 256
100.0%
Mastersoft S.R.L. GB
45.81.35.0/24 256
99.6%
Mastersoft S.R.L. GB
45.151.183.0/24 256
0.0%
Mastersoft S.R.L. KR
46.8.112.0/24 256
0.0%
NL North Holland Amsterdam
46.8.113.0/24 256
0.0%
CZ South Bohemian Region Veselí nad Lužnicí
80.66.69.0/24 256
0.0%
Mastersoft S.R.L. RU
87.251.72.0/24 256
13.7%
Mastersoft S.R.L. RU
102.38.249.0/24 256
0.0%
Mastersoft S.R.L. NG
103.200.28.0/24 256
89.5%
Mastersoft S.R.L. JP
109.248.42.0/24 256
2.3%
Mastersoft S.R.L. CZ
144.48.10.0/24 256
83.6%
Mastersoft S.R.L. JP
185.245.40.0/24 256
79.7%
Mastersoft S.R.L. HK
188.130.208.0/24 256
69.9%
Mastersoft S.R.L. CZ Prague Prague
192.145.98.0/24 256
0.4%
Mastersoft S.R.L. RU
195.78.49.0/24 256
87.5%
Mastersoft S.R.L. JP
45.151.183.0/25 128
0.0%
CZ
45.151.183.128/26 64
0.0%
CZ
103.119.19.64/26 64
0.0%
CZ
45.151.183.224/27 32
0.0%
CZ
103.119.18.0/27 32
0.0%
CZ
103.119.18.96/27 32
0.0%
CZ
103.119.18.160/27 32
0.0%
CZ
103.119.18.192/27 32
0.0%
CZ
103.119.19.224/27 32
0.0%
CZ
45.151.183.208/28 16
0.0%
CZ
103.119.18.32/28 16
0.0%
CZ
103.119.18.80/28 16
0.0%
CZ
103.119.19.0/28 16
0.0%
CZ
103.119.19.176/28 16
0.0%
CZ
45.151.183.200/29 8
0.0%
CZ
103.119.18.48/29 8
0.0%
CZ
103.119.18.72/29 8
0.0%
CZ
103.119.18.128/29 8
0.0%
CZ
103.119.18.144/29 8
0.0%
CZ
103.119.18.224/29 8
0.0%
CZ
103.119.18.240/29 8
0.0%
CZ
103.119.19.16/29 8
0.0%
CZ
103.119.19.32/29 8
0.0%
CZ
103.119.19.48/29 8
0.0%
CZ
103.119.19.128/29 8
0.0%
CZ
103.119.19.144/29 8
0.0%
CZ
103.119.19.168/29 8
0.0%
CZ
103.119.19.192/29 8
0.0%
CZ
103.119.19.216/29 8
0.0%
CZ
45.151.183.192/30 4
0.0%
CZ
103.119.18.56/30 4
0.0%
CZ
103.119.18.68/30 4
0.0%
CZ
103.119.18.140/30 4
0.0%
CZ
103.119.18.156/30 4
0.0%
CZ
103.119.18.252/30 4
0.0%
CZ
103.119.19.28/30 4
0.0%
CZ
103.119.19.40/30 4
0.0%
CZ
103.119.19.56/30 4
0.0%
CZ
103.119.19.136/30 4
0.0%
CZ
103.119.19.156/30 4
0.0%
CZ
103.119.19.164/30 4
0.0%
CZ
103.119.19.200/30 4
0.0%
CZ
45.151.183.196/31 2
0.0%
CZ
103.119.18.62/31 2
0.0%
CZ
103.119.18.66/31 2
0.0%
CZ
103.119.18.152/31 2
0.0%
CZ
103.119.18.234/31 2
0.0%
CZ
103.119.18.236/31 2
0.0%
CZ
103.119.18.248/31 2
0.0%
CZ
103.119.19.24/31 2
0.0%
CZ
103.119.19.44/31 2
0.0%
CZ
103.119.19.60/31 2
0.0%
CZ
103.119.19.140/31 2
0.0%
NL
103.119.19.142/31 2
0.0%
CZ
103.119.19.152/31 2
0.0%
CZ
103.119.19.160/31 2
0.0%
CZ
103.119.19.204/31 2
0.0%
CZ
103.119.19.206/31 2
0.0%
NL
103.119.19.208/31 2
0.0%
CZ
103.119.19.214/31 2
0.0%
CZ
45.151.183.198 1
0.0%
CZ
45.151.183.199 1
0.0%
NL
103.119.18.60 1
0.0%
NL
103.119.18.61 1
0.0%
CZ
103.119.18.64 1
0.0%
CZ
103.119.18.65 1
0.0%
NL
103.119.18.136 1
0.0%
NL
103.119.18.137 1
0.0%
CZ
103.119.18.138 1
0.0%
NL
103.119.18.139 1
0.0%
CZ
103.119.18.154 1
0.0%
PL
103.119.18.155 1
0.0%
CZ
103.119.18.232 1
0.0%
NL
103.119.18.233 1
0.0%
CZ
103.119.18.238 1
0.0%
NL
103.119.18.239 1
0.0%
CZ
103.119.18.250 1
0.0%
CZ
103.119.18.251 1
0.0%
NL
103.119.19.26 1
0.0%
CZ
103.119.19.27 1
0.0%
NL

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS215305 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
188.130.208.0/24 144,243 2026-07-19 11:04:38
103.118.208.0/23 86,146 2026-07-19 11:04:35
103.112.70.0/23 84,919 2026-07-19 11:04:35
109.248.42.0/24 81,713 2026-07-19 11:04:35
46.8.112.0/24 81,464 2026-07-19 11:04:35
87.251.72.0/24 81,463 2026-07-19 11:04:35
5.180.97.0/24 81,380 2026-07-19 11:04:35
45.81.35.0/24 81,299 2026-07-19 11:04:35
195.78.49.0/24 81,262 2026-07-19 11:04:35
103.112.68.0/23 79,917 2026-07-19 11:04:35
185.245.40.0/24 78,085 2026-07-19 11:04:35
144.48.10.0/24 77,972 2026-07-19 11:04:35
192.145.98.0/24 51,015 2026-07-19 11:04:38
46.8.113.0/24 23,708 2026-07-19 11:04:38
80.66.69.0/24 22,380 2026-07-14 15:05:41
103.119.18.0/23 5,840 2026-07-19 11:04:38
45.151.183.0/24 5,799 2026-07-19 11:04:38
103.200.28.0/24 5,708 2026-07-19 11:04:38

Frequently Asked Questions

What is AS215305?

AS215305 is an Autonomous System Number assigned to Mastersoft S.R.L.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS215305 announce?

AS215305 announces 5.9K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS215305?

AS215305 is operated by Mastersoft S.R.L.. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.

What country is AS215305 registered in?

AS215305 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-19 11:10:36 UTC
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