155.91.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	4
BGP Prefixes	42
Routers	17
Pingable IPs	303

United States
99.90%
Singapore
0.04%
Netherlands
0.04%
Ireland
0.01%


155.91.0.0/24	United States100.00%	1	1	0
155.91.1.0/24	United States100.00%	1	1	0
155.91.2.0/24	United States100.00%	1	1	0
155.91.3.0/24	United States100.00%	1	1	0
155.91.4.0/24	United States100.00%	1	1	0
155.91.5.0/24	United States100.00%	1	1	0
155.91.6.0/24	United States100.00%	1	1	0
155.91.7.0/24	United States100.00%	1	1	0
155.91.8.0/24	United States100.00%	1	1	4
155.91.9.0/24	United States100.00%	1	1	0

Sub-ranges

Important routers in 155.91.0.0/16


155.91.8.3	Ashburn, United States	AS7054Merck and Co., Inc.
155.91.8.5	Ashburn, United States	AS7054Merck and Co., Inc.
155.91.8.9	Ashburn, United States	AS7054Merck and Co., Inc.
155.91.8.11	Ashburn, United States	AS7054Merck and Co., Inc.
155.91.46.1	Charlotte, United States	AS7054Merck and Co., Inc.
155.91.152.3	Singapore, Singapore	AS7054Merck and Co., Inc.
155.91.72.11	Amsterdam, Netherlands	AS7054Merck and Co., Inc.
155.91.152.11	Singapore, Singapore	AS7054Merck and Co., Inc.
155.91.152.9	Singapore, Singapore	AS7054Merck and Co., Inc.
155.91.154.203	Singapore, Singapore	AS7054Merck and Co., Inc.

Important routers in 155.91.0.0/16

Pingable IPs

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


155.91.78.10	AS7054Merck and Co., Inc.	0.97ms from Amsterdam, NL
155.91.47.2	AS7054Merck and Co., Inc.	1.46ms from Charlotte, US
155.91.152.7	AS7054Merck and Co., Inc.	0.82ms from Singapore, SG
155.91.8.2	AS7054Merck and Co., Inc.	0.77ms from Ashburn, US
155.91.11.9	AS7054Merck and Co., Inc.	0.87ms from Ashburn, US
155.91.17.2	AS7054Merck and Co., Inc.	1.13ms from New York City, US
155.91.72.10	AS7054Merck and Co., Inc.	0.84ms from Amsterdam, NL
155.91.35.252	AS7054Merck and Co., Inc.	1.46ms from Charlotte, US
155.91.45.252	AS7054Merck and Co., Inc.	1.46ms from Charlotte, US
155.91.18.2	AS7054Merck and Co., Inc.	1.09ms from New York City, US

Other Pingable IPs

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


222.152.229.224	AS4771Spark New Zealand Trading Ltd.	3.57ms from Auckland, NZ
114.252.174.32	AS4808China Unicom Beijing Province Network	3.24ms from Beijing, CN
37.220.224.16	AS213342Connect Telecommunications Infrastructure & Network Services Ltd.	16.00ms from Budapest, HU
181.24.91.16	AS22927Telefonica de Argentina	11.99ms from Buenos Aires, AR
64.166.122.240	AS7018AT&T Enterprises, LLC	2.74ms from Los Angeles, US
69.141.53.224	AS7922Comcast Cable Communications, LLC	6.97ms from Morris Plains, US
177.127.163.240	AS28573Claro NXT Telecomunicacoes Ltda	12.19ms from Porto Alegre, BR
66.62.89.0	AS21632Cybernet1	0.25ms from Seattle, US
168.63.239.32	AS8075Microsoft Corporation	0.56ms from Singapore, SG
2.180.5.80	AS58224Iran Telecommunication Company PJS	14.31ms from Tehran, IR

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 -f4 -m8 155.91.33.159

traceroute to 155.91.33.159 (155.91.33.159): 8 hops max, 52 byte packets

4 [AS3356] 4.34.18.6 98.388 ms

5 [AS7054] 155.91.46.1 102.265 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On August 15, 2026

Traceroute

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155.91.0.0/16

Summary

Sub-ranges

Important routers in 155.91.0.0/16

Important routers in 155.91.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Summarize IPs

Important routers in 155.91.0.0/16

Pingable IPs

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Traceroute

155.91.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 155.91.0.0/16

Important routers in 155.91.0.0/16

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 155.91.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute