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Autonomous System

AS20746

TIM

Announced IPs
217,088
CIDR prefixes
162
ASN
AS20746

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.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About TIM Group

TIM S.p.A.,, is an Italian multinational telecommunications company with headquarters in Rome, Milan, Bari, and Naples, which provides fixed, public and mobile telephony, and DSL data services.

Founded
1994
Headquarters
Milan
Industry
telecommunications industry
Employees
26,874

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
138.132.0.0/16 65.5K
0.0%
TIM IT
62.77.32.0/19 8.2K
90.1%
TIM IT Lazio Rome
77.238.0.0/19 8.2K
0.0%
TIM IT Emilia-Romagna Bologna
81.126.64.0/19 8.2K
90.3%
TIM IT
81.126.160.0/19 8.2K
87.5%
TIM IT
81.126.192.0/19 8.2K
87.6%
TIM IT
217.27.64.0/19 8.2K
63.6%
TIM IT Piedmont Verrone
80.241.224.0/20 4.1K
0.0%
TIM IT
81.126.128.0/20 4.1K
87.1%
TIM IT
83.221.96.0/20 4.1K
96.4%
TIM IT
217.169.96.0/20 4.1K
91.9%
TIM IT
46.29.200.0/21 2.0K
99.7%
TIM IT
83.221.120.0/21 2.0K
92.6%
TIM IT
89.31.48.0/21 2.0K
15.7%
TIM IT
156.54.48.0/21 2.0K
3.7%
TIM IT
156.54.104.0/21 2.0K
5.8%
TIM IT
156.54.120.0/21 2.0K
3.5%
TIM IT Lombardy Milan
156.54.136.0/21 2.0K
13.4%
TIM IT
156.54.168.0/21 2.0K
2.7%
TIM IT
156.54.232.0/21 2.0K
2.1%
TIM IT
217.169.120.0/21 2.0K
98.8%
TIM IT
80.253.32.0/22 1.0K
0.0%
TIM IT
80.253.40.0/22 1.0K
0.4%
TIM IT
81.123.180.0/22 1.0K
59.8%
TIM IT
83.221.116.0/22 1.0K
97.6%
TIM IT
131.1.252.0/22 1.0K
91.4%
TIM IT
156.54.12.0/22 1.0K
4.1%
TIM IT
156.54.28.0/22 1.0K
1.3%
TIM IT
156.54.44.0/22 1.0K
0.3%
TIM IT
156.54.60.0/22 1.0K
5.4%
TIM IT
156.54.68.0/22 1.0K
2.7%
TIM IT
156.54.88.0/22 1.0K
5.1%
TIM IT
156.54.100.0/22 1.0K
2.0%
TIM IT
156.54.116.0/22 1.0K
1.9%
TIM IT
156.54.132.0/22 1.0K
43.8%
TIM IT
156.54.148.0/22 1.0K
1.3%
TIM IT
156.54.152.0/22 1.0K
2.4%
TIM IT
156.54.164.0/22 1.0K
2.3%
TIM IT
156.54.176.0/22 1.0K
1.9%
TIM IT
156.54.188.0/22 1.0K
0.5%
TIM IT
156.54.212.0/22 1.0K
2.5%
TIM IT
156.54.216.0/22 1.0K
0.0%
TIM IT
156.54.228.0/22 1.0K
0.2%
TIM IT
185.57.108.0/22 1.0K
99.4%
TIM IT
185.63.228.0/22 1.0K
3.4%
TIM IT
217.169.112.0/22 1.0K
94.9%
TIM IT
81.74.238.0/23 512
89.6%
TIM IT
81.115.114.0/23 512
95.3%
TIM IT
81.115.118.0/23 512
94.3%
TIM IT
81.119.128.0/23 512
100.0%
TIM IT
81.123.100.0/23 512
64.6%
TIM IT
81.123.188.0/23 512
57.2%
TIM IT
81.124.118.0/23 512
64.5%
TIM IT
81.124.120.0/23 512
65.0%
TIM IT
81.124.124.0/23 512
62.3%
TIM IT
81.125.120.0/23 512
59.6%
TIM IT
81.126.86.0/23 512
0.0%
TIM IT
81.126.92.0/23 512
0.0%
TIM IT
83.221.112.0/23 512
98.8%
TIM IT
85.37.16.0/23 512
99.8%
TIM IT
91.206.128.0/23 512
99.0%
TIM IT
109.69.200.0/23 512
0.0%
TIM IT
131.1.216.0/23 512
1.4%
TIM IT
131.1.220.0/23 512
0.4%
TIM IT
131.1.230.0/23 512
46.7%
TIM IT
131.1.240.0/23 512
0.8%
TIM IT
131.1.244.0/23 512
1.8%
TIM IT
156.54.0.0/23 512
0.0%
TIM IT
156.54.4.0/23 512
1.0%
TIM IT
156.54.10.0/23 512
0.4%
TIM IT
156.54.26.0/23 512
2.0%
TIM IT
156.54.34.0/23 512
1.0%
TIM IT
156.54.36.0/23 512
0.2%
TIM IT
156.54.40.0/23 512
0.4%
TIM IT
156.54.46.0/23 512
0.0%
TIM IT
156.54.56.0/23 512
2.9%
TIM IT
156.54.64.0/23 512
2.0%
TIM IT
156.54.82.0/23 512
2.3%
TIM IT
156.54.98.0/23 512
1.6%
TIM IT
156.54.144.0/23 512
2.1%
TIM IT
156.54.158.0/23 512
7.2%
TIM IT
156.54.160.0/23 512
2.0%
TIM IT
156.54.180.0/23 512
2.9%
TIM IT
156.54.202.0/23 512
0.6%
TIM IT
156.54.210.0/23 512
0.0%
TIM IT
156.54.240.0/23 512
1.2%
TIM IT
156.54.244.0/23 512
1.4%
TIM IT
156.54.248.0/23 512
0.8%
TIM IT
156.54.252.0/23 512
2.0%
TIM IT
217.169.116.0/23 512
99.6%
TIM IT
62.86.116.0/24 256
86.7%
TIM IT
81.74.252.0/24 256
90.2%
TIM IT
81.115.110.0/24 256
91.8%
TIM IT
81.117.187.0/24 256
100.0%
TIM IT
81.117.188.0/24 256
100.0%
TIM IT
81.119.135.0/24 256
100.0%
TIM IT
81.119.137.0/24 256
100.0%
TIM IT
81.123.185.0/24 256
59.4%
TIM IT
81.123.186.0/24 256
56.3%
TIM IT
81.124.117.0/24 256
62.9%
TIM IT

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20746 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
156.54.203.0/24 266,940 2026-09-10 15:07:11
156.54.101.0/24 251,570 2026-09-10 15:06:31
156.54.5.0/24 250,718 2026-09-10 15:06:51
156.54.197.0/24 83,258 2026-09-10 15:07:12
156.54.202.0/24 71,086 2026-09-10 15:07:11
156.54.59.0/24 70,742 2026-09-10 15:07:11
77.238.1.0/24 49,043 2026-09-10 15:07:15
77.238.0.0/24 48,965 2026-09-10 15:07:15
77.238.15.0/24 48,953 2026-09-10 15:07:40
77.238.2.0/24 48,949 2026-09-10 15:07:15
89.31.48.0/24 48,055 2026-09-10 15:06:27
89.31.48.0/23 47,987 2026-09-10 15:06:27
81.126.88.0/21 43,865 2026-09-10 15:07:14
80.253.40.0/22 43,368 2026-09-10 15:07:14
81.126.72.0/21 43,330 2026-09-10 15:07:14
83.221.96.0/22 43,299 2026-09-10 15:06:55
81.126.190.0/24 43,206 2026-09-10 15:06:27
156.54.4.0/24 43,051 2026-09-10 15:06:50
81.126.160.0/19 42,978 2026-09-10 15:06:20
81.126.87.0/24 42,976 2026-09-10 15:07:40
81.126.92.0/24 42,874 2026-09-10 15:07:39
81.126.94.0/24 42,817 2026-09-10 15:07:39
156.54.0.0/23 42,581 2026-09-10 15:06:50
81.126.93.0/24 42,399 2026-09-10 15:07:15
80.253.35.0/24 39,571 2026-09-10 15:07:13
156.54.29.0/24 38,890 2026-09-10 15:06:56
156.54.27.0/24 38,840 2026-09-10 15:06:56
156.54.13.0/24 38,828 2026-09-10 15:06:45
156.54.12.0/24 38,800 2026-09-10 15:06:45
156.54.22.0/24 38,503 2026-09-10 15:06:56
80.253.32.0/22 38,346 2026-09-10 15:07:13
81.123.186.0/24 38,171 2026-09-10 15:06:20
81.119.137.0/24 38,102 2026-09-10 15:06:15
81.123.188.0/24 38,094 2026-09-10 15:06:15
81.124.124.0/24 38,063 2026-09-10 15:07:15
81.119.129.0/24 38,055 2026-09-10 15:06:22
81.123.181.0/24 38,052 2026-09-10 15:06:20
81.115.118.0/24 38,051 2026-09-10 15:07:15
81.123.182.0/24 38,046 2026-09-10 15:06:22
81.124.120.0/24 38,040 2026-09-10 15:07:15
81.123.189.0/24 38,038 2026-09-10 15:06:15
81.119.128.0/24 38,036 2026-09-10 15:06:22
81.125.141.0/24 38,032 2026-09-10 15:06:32
81.119.135.0/24 38,032 2026-09-10 15:06:20
81.124.121.0/24 38,028 2026-09-10 15:07:15
81.123.180.0/24 38,027 2026-09-10 15:06:20
81.123.185.0/24 38,020 2026-09-10 15:06:15
81.123.183.0/24 38,018 2026-09-10 15:06:20
81.115.115.0/24 38,014 2026-09-10 15:07:15
81.124.118.0/24 38,012 2026-09-10 15:07:15

Showing top 50 of 382 announced prefixes by sample volume.

Frequently Asked Questions

What is AS20746?

AS20746 is an Autonomous System Number assigned to TIM. 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 AS20746 announce?

AS20746 announces 217.1K IPv4 addresses distributed across 162 routed CIDR prefixes. The network is registered in Italy.

Who operates AS20746?

AS20746 is operated by TIM. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.

What country is AS20746 registered in?

AS20746 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 15:24:05 UTC
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