Autonomous System

AS20746

TIM

TIM Italy 🌐 telecomitalia.com

Announced IPs

215,552

CIDR prefixes

159

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 v1.3.0 — 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

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
138.132.0.0/16	65.5K	0.0%	TIM	IT	—	—
62.77.32.0/19	8.2K	96.1%	TIM	IT	Lazio	Rome
77.238.0.0/19	8.2K	93.9%	TIM	IT	Emilia-Romagna	Zola Predosa
81.126.64.0/19	8.2K	100.0%	TIM	IT	—	—
81.126.160.0/19	8.2K	100.0%	TIM	IT	—	—
81.126.192.0/19	8.2K	100.0%	TIM	IT	—	—
217.27.64.0/19	8.2K	94.8%	TIM	IT	Emilia-Romagna	Reggio Emilia
80.241.224.0/20	4.1K	28.4%	TIM	IT	—	—
81.126.128.0/20	4.1K	100.0%	TIM	IT	—	—
83.221.96.0/20	4.1K	98.4%	TIM	IT	—	—
217.169.96.0/20	4.1K	92.4%	TIM	IT	—	—
46.29.200.0/21	2.0K	100.0%	TIM	IT	—	—
83.221.120.0/21	2.0K	93.9%	TIM	IT	—	—
89.31.48.0/21	2.0K	15.7%	TIM	IT	—	—
156.54.48.0/21	2.0K	4.0%	TIM	IT	—	—
156.54.104.0/21	2.0K	6.3%	TIM	IT	—	—
156.54.120.0/21	2.0K	3.6%	TIM	IT	Lombardy	Milan
156.54.136.0/21	2.0K	14.4%	TIM	IT	—	—
156.54.168.0/21	2.0K	2.9%	TIM	IT	—	—
156.54.232.0/21	2.0K	2.1%	TIM	IT	—	—
217.169.120.0/21	2.0K	99.5%	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	100.0%	TIM	IT	—	—
83.221.116.0/22	1.0K	99.8%	TIM	IT	—	—
131.1.252.0/22	1.0K	99.3%	TIM	IT	—	—
156.54.12.0/22	1.0K	4.3%	TIM	IT	—	—
156.54.28.0/22	1.0K	1.5%	TIM	IT	—	—
156.54.60.0/22	1.0K	5.1%	TIM	IT	—	—
156.54.68.0/22	1.0K	3.2%	TIM	IT	—	—
156.54.88.0/22	1.0K	5.3%	TIM	IT	—	—
156.54.100.0/22	1.0K	2.1%	TIM	IT	—	—
156.54.116.0/22	1.0K	2.1%	TIM	IT	—	—
156.54.132.0/22	1.0K	46.7%	TIM	IT	—	—
156.54.148.0/22	1.0K	1.6%	TIM	IT	—	—
156.54.152.0/22	1.0K	2.4%	TIM	IT	—	—
156.54.164.0/22	1.0K	2.5%	TIM	IT	—	—
156.54.176.0/22	1.0K	2.0%	TIM	IT	—	—
156.54.188.0/22	1.0K	0.5%	TIM	IT	—	—
156.54.212.0/22	1.0K	2.1%	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	99.2%	TIM	IT	—	—
185.63.228.0/22	1.0K	3.6%	TIM	IT	—	—
217.169.112.0/22	1.0K	94.7%	TIM	IT	—	—
81.74.238.0/23	512	100.0%	TIM	IT	—	—
81.115.114.0/23	512	100.0%	TIM	IT	—	—
81.115.118.0/23	512	100.0%	TIM	IT	—	—
81.119.128.0/23	512	100.0%	TIM	IT	—	—
81.123.100.0/23	512	100.0%	TIM	IT	—	—
81.123.188.0/23	512	99.8%	TIM	IT	—	—
81.124.118.0/23	512	100.0%	TIM	IT	—	—
81.124.120.0/23	512	99.8%	TIM	IT	—	—
81.124.124.0/23	512	99.8%	TIM	IT	—	—
81.125.120.0/23	512	100.0%	TIM	IT	—	—
81.126.86.0/23	512	100.0%	TIM	IT	—	—
81.126.92.0/23	512	100.0%	TIM	IT	—	—
83.221.112.0/23	512	100.0%	TIM	IT	—	—
85.37.16.0/23	512	99.8%	TIM	IT	—	—
91.206.128.0/23	512	99.2%	TIM	IT	—	—
109.69.200.0/23	512	2.9%	TIM	IT	—	—
131.1.216.0/23	512	1.4%	TIM	IT	—	—
131.1.220.0/23	512	0.6%	TIM	IT	—	—
131.1.230.0/23	512	49.6%	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	—	—
156.54.26.0/23	512	2.0%	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	2.7%	TIM	IT	—	—
156.54.64.0/23	512	2.5%	TIM	IT	—	—
156.54.82.0/23	512	2.5%	TIM	IT	—	—
156.54.98.0/23	512	1.6%	TIM	IT	—	—
156.54.144.0/23	512	2.3%	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	0.2%	TIM	IT	—	—
156.54.240.0/23	512	1.0%	TIM	IT	—	—
156.54.244.0/23	512	2.0%	TIM	IT	—	—
156.54.248.0/23	512	0.8%	TIM	IT	—	—
156.54.252.0/23	512	2.1%	TIM	IT	—	—
217.169.116.0/23	512	99.2%	TIM	IT	—	—
62.86.116.0/24	256	100.0%	TIM	IT	—	—
81.74.252.0/24	256	100.0%	TIM	IT	—	—
81.115.110.0/24	256	100.0%	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	100.0%	TIM	IT	—	—
81.123.186.0/24	256	100.0%	TIM	IT	—	—
81.124.117.0/24	256	100.0%	TIM	IT	—	—
81.125.124.0/24	256	99.6%	TIM	IT	—	—
81.125.126.0/24	256	99.6%	TIM	IT	—	—
81.125.128.0/24	256	99.6%	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.

Prefix	Announcement samples	Last seen
156.54.203.0/24	303,294	2026-11-13 08:18:03
156.54.101.0/24	278,788	2026-11-13 08:17:59
156.54.5.0/24	276,058	2026-11-13 08:17:59
156.54.197.0/24	110,868	2026-11-13 05:03:35
156.54.202.0/24	80,291	2026-11-13 08:18:03
156.54.59.0/24	79,881	2026-11-13 08:18:03
77.238.0.0/24	69,526	2026-11-13 08:17:49
77.238.1.0/24	69,509	2026-11-13 08:17:49
77.238.15.0/24	69,363	2026-11-13 08:17:49
77.238.2.0/24	69,296	2026-11-13 08:17:49
89.31.48.0/24	68,659	2026-11-13 05:03:32
89.31.48.0/23	68,583	2026-11-13 05:03:32
80.253.35.0/24	66,387	2026-11-13 05:03:33
156.54.200.0/24	62,603	2026-11-13 05:04:02
156.54.29.0/24	59,259	2026-11-13 08:17:49
156.54.27.0/24	59,239	2026-11-13 08:17:49
156.54.13.0/24	59,162	2026-11-13 08:17:49
156.54.12.0/24	59,158	2026-11-13 08:17:49
156.54.22.0/24	58,875	2026-11-13 08:17:49
77.238.20.0/24	55,132	2026-11-13 08:17:41
80.241.232.0/23	54,478	2026-11-13 08:17:49
80.241.231.0/24	54,357	2026-11-13 08:17:49
80.241.230.0/24	54,252	2026-11-13 08:17:49
89.31.50.0/23	53,588	2026-11-13 05:04:02
81.126.92.0/24	52,357	2026-11-13 05:03:35
81.126.87.0/24	52,353	2026-11-13 08:17:53
81.126.94.0/24	52,162	2026-11-13 05:03:35
81.126.88.0/21	51,872	2026-11-13 05:03:33
138.132.0.0/16	51,242	2026-11-13 05:04:02
81.126.190.0/24	51,194	2026-11-13 05:03:33
80.253.40.0/22	51,046	2026-11-13 05:03:33
81.126.72.0/21	50,995	2026-11-13 05:03:33
83.221.96.0/22	50,817	2026-11-13 05:03:33
81.126.160.0/19	50,717	2026-11-13 05:03:33
156.54.4.0/24	50,234	2026-11-13 05:03:35
81.126.93.0/24	49,777	2026-11-13 08:17:49
156.54.0.0/23	49,546	2026-11-13 05:03:35
156.54.28.0/24	46,186	2026-11-13 05:03:35
80.253.32.0/22	46,026	2026-11-13 08:18:09
83.221.118.0/23	45,287	2026-11-13 05:03:36
156.54.26.0/24	44,746	2026-11-13 05:04:02
156.54.24.0/24	44,478	2026-11-13 05:04:02
62.86.116.0/24	44,305	2026-11-13 05:03:36
156.54.14.0/24	44,280	2026-11-13 05:04:02
156.54.15.0/24	44,195	2026-11-13 08:17:49
81.123.186.0/24	44,185	2026-11-13 08:17:49
81.119.137.0/24	44,035	2026-11-13 08:17:49
81.123.188.0/24	43,956	2026-11-13 08:17:49
83.221.104.0/22	43,892	2026-11-13 05:03:36
81.123.189.0/24	43,809	2026-11-13 08:17:49

Showing top 50 of 437 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 215.6K IPv4 addresses distributed across 159 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: 2026-11-13 08:24:05 UTC