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Autonomous System

AS43513

Sia Nano IT

Announced IPs
63,488
CIDR prefixes
50
ASN
AS43513

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 →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 20-50Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-NANOIT

Present at 1 internet exchange: SMILE-IXP: VLAN333

Web3 footprint

AS43513 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS43513 — global IP footprint

Cities where AS43513 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
86.63.160.0/19 8.2K
0.2%
Sia Nano IT LV Riga Riga
80.250.48.0/20 4.1K
0.0%
Sia Nano IT LV Riga Riga
87.246.128.0/20 4.1K
0.1%
Sia Nano IT LV Riga Riga
89.248.80.0/20 4.1K
3.1%
Sia Nano IT LV Riga Riga
91.135.80.0/20 4.1K
0.4%
Sia Nano IT LV Tukums Municipality Tukums
5.44.216.0/21 2.0K
99.8%
Sia Nano IT LV
31.170.16.0/21 2.0K
1.0%
Sia Nano IT LV Saldus novads Saldus
46.19.144.0/21 2.0K
0.1%
Sia Nano IT LV
85.31.96.0/21 2.0K
9.7%
Sia Nano IT LV Riga Riga
85.254.32.0/21 2.0K
0.0%
Sia Nano IT LV Jūrmala Jūrmala
94.140.96.0/21 2.0K
0.0%
Sia Nano IT LV Ventspils Ventspils
94.140.112.0/21 2.0K
6.7%
Sia Nano IT LV
141.136.0.0/21 2.0K
0.1%
Sia Nano IT LV
178.249.32.0/21 2.0K
0.0%
Sia Nano IT LV
188.92.72.0/21 2.0K
3.5%
Sia Nano IT LV
31.170.20.0/22 1.0K
2.0%
Sia Nano IT LV
45.131.100.0/22 1.0K
0.0%
Sia Nano IT IN
85.254.16.0/22 1.0K
0.8%
Sia Nano IT LV Riga Riga
85.254.24.0/22 1.0K
0.1%
Sia Nano IT LV
91.203.68.0/22 1.0K
18.1%
Sia Nano IT LV
94.140.120.0/22 1.0K
10.1%
Sia Nano IT LV Riga Riga
185.71.128.0/22 1.0K
0.5%
Sia Nano IT LV Tukums Municipality Tukums
185.72.84.0/22 1.0K
3.3%
Sia Nano IT LV Riga Riga
185.72.204.0/22 1.0K
0.0%
Sia Nano IT LV Liepaja Liepāja
185.80.236.0/22 1.0K
0.1%
Sia Nano IT LV
185.81.128.0/22 1.0K
49.6%
Sia Nano IT LV Riga Riga
31.170.16.0/23 512
0.0%
Sia Nano IT LV Saldus novads Sātiņi
85.254.142.0/23 512
1.4%
Sia Nano IT LV
91.224.12.0/23 512
35.4%
Sia Nano IT LV Riga Riga
91.237.98.0/23 512
25.0%
Sia Nano IT LV
94.140.106.0/23 512
0.0%
Sia Nano IT LV Ventspils Ventspils
94.140.108.0/23 512
0.0%
Sia Nano IT LV Ventspils Ventspils
150.107.202.0/23 512
0.0%
Sia Nano IT IN
159.148.198.0/23 512
0.0%
Sia Nano IT LV Līvāni Līvāni
185.61.148.0/23 512
42.2%
Sia Nano IT LV Riga Riga
185.81.48.0/23 512
0.4%
Sia Nano IT LV
185.82.124.0/23 512
26.2%
Sia Nano IT LV
195.43.82.0/23 512
96.1%
Sia Nano IT LV
31.170.16.0/24 256
0.0%
Sia Nano IT LV
31.170.18.0/24 256
0.0%
Sia Nano IT LV
80.246.31.0/24 256
0.0%
Sia Nano IT IN
85.254.5.0/24 256
0.4%
Sia Nano IT LV Ķekava Rāmava
85.254.145.0/24 256
0.0%
Sia Nano IT LV
94.140.111.0/24 256
0.0%
Sia Nano IT LV
159.148.102.0/24 256
0.8%
Sia Nano IT LV
159.148.200.0/24 256
0.0%
Sia Nano IT LV
185.61.150.0/24 256
4.7%
Sia Nano IT LV
185.81.51.0/24 256
0.4%
Sia Nano IT LV
185.86.151.0/24 256
32.0%
Sia Nano IT LV
193.46.236.0/24 256
24.6%
Sia Nano IT LV

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS43513 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
85.254.142.0/23 26,553 2026-07-18 10:52:07
159.148.198.0/23 26,403 2026-07-18 10:52:43
159.148.200.0/24 26,396 2026-07-18 10:52:43
85.254.145.0/24 25,742 2026-07-18 10:52:07
85.254.16.0/22 19,146 2026-07-18 10:52:19
85.254.32.0/21 15,305 2026-07-18 10:52:19
85.254.24.0/22 15,151 2026-07-18 10:52:19
91.135.86.0/24 13,582 2026-07-18 11:01:26
85.254.5.0/24 10,900 2026-07-18 10:52:19
91.135.80.0/20 10,664 2026-07-18 11:05:47
193.46.236.0/24 10,172 2026-07-18 10:52:53
5.44.216.0/21 10,144 2026-07-18 11:05:47
159.148.102.0/24 9,822 2026-07-18 10:52:52
91.237.98.0/23 9,705 2026-07-18 10:52:07
89.248.80.0/20 9,531 2026-07-18 10:52:19
91.203.68.0/22 9,522 2026-07-18 10:52:19
87.246.128.0/20 9,410 2026-07-18 10:52:19
85.31.96.0/21 9,400 2026-07-18 10:52:19
86.63.160.0/19 9,397 2026-07-18 10:52:19
46.19.144.0/21 9,336 2026-07-18 10:52:19
195.43.82.0/23 8,788 2026-07-18 11:06:22
188.92.72.0/21 8,730 2026-07-18 11:06:22
185.72.204.0/22 8,708 2026-07-18 11:06:22
185.72.84.0/22 8,683 2026-07-18 11:06:22
185.80.236.0/22 8,677 2026-07-18 11:06:22
185.71.128.0/22 8,676 2026-07-18 11:06:22
178.249.32.0/21 8,593 2026-07-18 11:05:47
141.136.0.0/21 8,555 2026-07-18 11:05:47
185.81.128.0/23 8,393 2026-07-18 11:06:22
80.250.48.0/20 8,314 2026-07-18 11:05:47
185.86.151.0/24 8,257 2026-07-18 11:06:22
185.81.48.0/22 8,221 2026-07-18 11:06:22
185.81.130.0/23 8,219 2026-07-18 11:06:22
185.61.148.0/22 8,104 2026-07-18 11:06:22
185.82.124.0/22 8,080 2026-07-18 11:06:22
185.61.148.0/23 8,046 2026-07-18 11:06:22
94.140.114.0/23 7,999 2026-07-18 11:05:47
94.140.112.0/23 7,947 2026-07-18 11:05:47
94.140.123.0/24 7,818 2026-07-18 11:05:47
94.140.120.0/22 7,812 2026-07-18 11:05:47
94.140.120.0/23 7,811 2026-07-18 11:05:47
94.140.116.0/22 7,807 2026-07-18 11:05:47
185.61.150.0/24 7,619 2026-07-18 11:06:22
94.140.96.0/19 7,612 2026-07-18 11:05:47
91.224.12.0/23 7,400 2026-07-18 11:05:47
45.131.100.0/22 7,375 2026-07-18 11:05:47
31.170.16.0/21 6,791 2026-07-18 11:05:47
80.246.31.0/24 5,852 2026-07-18 10:52:00
150.107.202.0/23 5,741 2026-07-18 10:53:00
94.140.102.0/24 5,676 2026-07-18 10:52:01

Showing top 50 of 172 announced prefixes by sample volume.

Frequently Asked Questions

What is AS43513?

AS43513 is an Autonomous System Number assigned to Sia Nano IT. 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 AS43513 announce?

AS43513 announces 63.5K IPv4 addresses distributed across 50 routed CIDR prefixes. The network is registered in Latvia.

Who operates AS43513?

AS43513 is operated by Sia Nano IT. The organization is based in Latvia. You can view all IP ranges and related ASNs on the organization page.

What country is AS43513 registered in?

AS43513 is registered in Latvia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:25:31 UTC
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