91.81.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	7
Routers	70
Pingable IPs	4,111

Italy
100.00%


91.81.0.0/24	Italy100.00%	1	1
91.81.1.0/24	Italy100.00%	1	1
91.81.2.0/24	Italy100.00%	1	1
91.81.3.0/24	Italy100.00%	1	1
91.81.4.0/24	Italy100.00%	1	1
91.81.5.0/24	Italy100.00%	1	1
91.81.6.0/24	Italy100.00%	1	1
91.81.7.0/24	Italy100.00%	1	1
91.81.8.0/24	Italy100.00%	1	1
91.81.9.0/24	Italy100.00%	1	1

Sub-ranges

Important routers in 91.81.0.0/16


91.81.129.253	Milan, Italy	AS30722Fastweb SpA
91.81.218.253	Rome, Italy	AS30722Fastweb SpA
91.81.216.31	Rome, Italy	AS30722Fastweb SpA
91.81.216.13	Rome, Italy	AS30722Fastweb SpA
91.81.216.33	Rome, Italy	AS30722Fastweb SpA
91.81.216.3	Rome, Italy	AS30722Fastweb SpA
91.81.218.251	Rome, Italy	AS30722Fastweb SpA
91.81.218.229	Rome, Italy	AS30722Fastweb SpA
91.81.216.19	Rome, Italy	AS30722Fastweb SpA
91.81.217.9	Milan, Italy	AS30722Fastweb SpA

Important routers in 91.81.0.0/16

Pingable IPs

4,111 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


91.81.154.117	AS30722Fastweb SpA	14.53ms from Milan, IT
91.81.44.49	AS30722Fastweb SpA	8.10ms from Milan, IT
91.81.61.169	AS30722Fastweb SpA	8.14ms from Rome, IT
91.81.216.13	AS30722Fastweb SpA	0.63ms from Rome, IT
91.81.88.17	AS30722Fastweb SpA	2.72ms from Rome, IT
91.81.54.113	AS30722Fastweb SpA	9.31ms from Milan, IT
91.81.60.89	AS30722Fastweb SpA	9.40ms from Rome, IT
91.81.45.193	AS30722Fastweb SpA	12.64ms from Rome, IT
91.81.128.171	AS30722Fastweb SpA	0.94ms from Rome, IT
91.81.79.27	AS30722Fastweb SpA	2.62ms from Rome, IT

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


178.231.124.80	AS31615Odido Netherlands B.V.	11.03ms from Amsterdam, NL
169.63.182.224	AS36351IBM Cloud	0.62ms from Ashburn, US
36.76.96.0	AS7713PT Telekomunikasi Indonesia	11.47ms from Batam, ID
45.246.150.112	AS24863Link Egypt (Link.NET)	10.09ms from Cairo, EG
202.36.149.16	AS4049CELLO GROUP LIMITED	4.71ms from Christchurch, NZ
191.10.5.192	AS26599TELEFÔNICA BRASIL S.A	19.82ms from Fortaleza, BR
89.143.43.208	AS5603Telekom Slovenije, d.d.	1.05ms from Ljubljana, SI
23.64.18.208	AS16625Akamai Technologies, Inc.	0.38ms from London, GB
47.194.163.224	AS5650Frontier Communications of America, Inc.	6.53ms from Miami, US
89.10.224.160	AS15659NextGenTel AS	0.67ms from Oslo, NO

Pingable IPs

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -f3 91.81.119.143

traceroute to 91.81.119.143 (91.81.119.143): 64 hops max, 52 byte packets

3 [AS9002] 87.245.233.117 34.065 ms

4 [] 217.29.67.27 35.084 ms

5 *

6 *

7 *

8 [AS30722] 91.81.119.143 61.794 ms

Measurement taken from

IPinfo ProbeNet in Helsinki, FI

On July 12, 2026

Traceroute

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91.81.0.0/16

Summary

Sub-ranges

Important routers in 91.81.0.0/16

Important routers in 91.81.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 91.81.0.0/16

Pingable IPs

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Traceroute

91.81.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 91.81.0.0/16

Important routers in 91.81.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Important routers in 91.81.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute