Autonomous System

AS20746

TIM

TIM Italy 🌐 telecomitalia.com

Announced IPs

216,832

CIDR prefixes

161

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 v1.1.0 — 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, and Naples, which provides fixed, public and mobile telephony, and DSL data services.

Founded

1994

Headquarters

Milan

Industry

telecommunications

Parent

Poste Italiane

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	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	Veneto	Bassano del Grappa
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.

Prefix	Announcement samples	Last seen
156.54.101.0/24	113,159	2026-07-21 12:47:38
156.54.5.0/24	113,144	2026-07-21 12:47:38
156.54.203.0/24	87,598	2026-07-21 13:06:23
156.54.197.0/24	43,367	2026-07-21 12:39:44
156.54.202.0/24	23,583	2026-07-21 12:53:41
156.54.59.0/24	23,380	2026-07-21 12:53:41
81.126.88.0/21	21,097	2026-07-21 12:38:51
80.253.40.0/22	20,705	2026-07-21 12:38:51
81.126.72.0/21	20,669	2026-07-21 12:38:51
83.221.96.0/22	20,632	2026-07-21 12:38:51
81.126.190.0/24	20,573	2026-07-21 12:38:51
81.126.160.0/19	20,459	2026-07-21 12:38:51
81.126.87.0/24	20,425	2026-07-21 12:38:51
81.126.92.0/24	20,256	2026-07-21 12:38:51
81.126.94.0/24	20,246	2026-07-21 12:38:51
81.126.93.0/24	19,603	2026-07-21 12:38:51
80.253.35.0/24	14,973	2026-07-21 13:11:30
77.238.20.0/24	14,697	2026-07-21 12:38:51
80.241.231.0/24	14,526	2026-07-21 12:38:51
80.241.232.0/23	14,526	2026-07-21 12:38:51
80.241.230.0/24	14,515	2026-07-21 12:38:51
81.126.86.0/24	14,482	2026-07-21 12:38:51
89.31.50.0/23	14,348	2026-07-21 12:38:51
77.238.1.0/24	14,316	2026-07-21 12:38:51
77.238.0.0/24	14,302	2026-07-21 12:38:51
77.238.15.0/24	14,294	2026-07-21 12:38:51
77.238.2.0/24	14,269	2026-07-21 12:38:51
89.31.48.0/24	14,074	2026-07-21 12:38:51
89.31.48.0/23	14,054	2026-07-21 12:38:51
82.102.4.0/24	13,998	2026-07-21 12:38:51
138.132.0.0/16	13,978	2026-07-21 12:39:53
80.253.32.0/22	13,897	2026-07-21 13:11:30
81.126.80.0/22	13,868	2026-07-21 12:38:51
81.126.64.0/21	13,855	2026-07-21 12:38:51
81.126.84.0/23	13,854	2026-07-21 12:38:51
212.216.176.0/24	13,841	2026-07-21 12:40:54
81.126.192.0/19	13,698	2026-07-21 12:38:51
81.126.70.0/24	13,666	2026-07-21 12:38:51
81.123.186.0/24	13,526	2026-07-21 12:38:51
81.123.181.0/24	13,504	2026-07-21 12:38:51
81.123.188.0/24	13,503	2026-07-21 12:38:51
81.115.118.0/24	13,498	2026-07-21 12:38:51
81.119.129.0/24	13,498	2026-07-21 12:38:51
81.123.182.0/24	13,496	2026-07-21 12:38:51
81.119.135.0/24	13,487	2026-07-21 12:38:51
81.124.124.0/24	13,487	2026-07-21 12:38:51
81.119.128.0/24	13,483	2026-07-21 12:38:51
81.115.119.0/24	13,479	2026-07-21 12:38:51
81.125.141.0/24	13,479	2026-07-21 12:38:51
81.123.183.0/24	13,475	2026-07-21 12:38:51

Showing top 50 of 381 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 216.8K IPv4 addresses distributed across 161 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: 2026-07-21 13:10:36 UTC